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Alienware 16X Aurora AC16251 Core Ultra 9 290HX Plus vs Lenovo Legion 5i (15", Gen 10)

A

Product A: Alienware

16X Aurora AC16251 Core Ultra 9 290HX Plus

89 of 179 known

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B

Product B: Lenovo

Legion 5i (15", Gen 10)

103 of 179 known

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Every value links to where we found it.

Only differences

AAlienware 16X Aurora AC16251 Core Ultra 9 290HX Plus

BLenovo Legion 5i (15", Gen 10)

General

5 of 9 differ

Series

Alienware Aurora1Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 2026

Legion 52Maker spec sheet (PDF)psrefstuff.lenovo.com/syspool/Sys/PDF/datasheet/Legion_5_15IAX10_Datasheet_EN.pdfRead 8 October 202611Maker product pagepsref.lenovo.com/Product/Legion/Legion_5_15IAX10Read 30 September 2026Official product heading/breadcrumb for Legion 5.

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

AC162511Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 2026Exact current US selected Offer ID ac16251_so_1: Core Ultra 9 290HX Plus, RTX 5060 8 GB GDDR7, 32 GB as 2 x 16 GB DDR5, 1 TB M.2 2230 Gen4x4 SSD, non-touch WQXGA OLED 240 Hz, 96 Wh and Home. This is the later OLED configuration under the unchanged AC16251 model number. Original 2025 LCD/275HX specifications are not copied into it.

83F00007US, 83F0001RUS, 83F0001WMX, 83F00066MX, 83F0006NMX, 83F0006NNT, 83F000ARMX4Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00007US. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001RUS. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.6Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001WMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.7Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00066MX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.8Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.9Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NNT. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.10Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F000ARMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.

GTIN / EAN

Not available

198156401571, 198157923034, 198158204828, 199272306207, 199272745044, 199273636426, 1992755991324Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00007US. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001RUS. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.6Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001WMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.7Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00066MX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.8Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.9Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NNT. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.10Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F000ARMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

8 May 20259Press releasena.alienwarearena.com/ucf/show/2175562/boards/alienware-pulse/News/alienware-reveals-all-new-aurora-laptop-classRead 7 October 2026Named Alienware General Manager announcement explicitly dated May 8, 2025 at 9 am ET in its byline. Outer CMS metadata says May 2. Use the explicit announcement date, independently corroborated by contemporary May 8 coverage. This dates the original marketed AC16251 family, not the later OLED / 290HX Plus reference.

Not available

Status

Available1Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 2026Exact ac16251_so_1 is offered for sale in the current US store.

Not available

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

Not available

Not available

SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Not available

Not available

Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

Not available

Not available

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

Not available

Not available

MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

US1Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 2026

US, FI, NO, SE4Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00007US. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001RUS. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.6Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001WMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.7Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00066MX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.8Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.9Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NNT. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.10Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F000ARMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.

ColoursiThe maker's own colour names

Interstellar Indigo1Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 2026Current embedded maker PropertyValue names Interstellar Indigo.

Eclipse Black2Maker spec sheet (PDF)psrefstuff.lenovo.com/syspool/Sys/PDF/datasheet/Legion_5_15IAX10_Datasheet_EN.pdfRead 8 October 20264Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00007US. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001RUS. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.6Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001WMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.7Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00066MX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.8Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.9Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NNT. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.10Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F000ARMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.

Segment

Gaming1Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 2026Current embedded maker PropertyValue identifies the laptop as gaming-first.

Gaming2Maker spec sheet (PDF)psrefstuff.lenovo.com/syspool/Sys/PDF/datasheet/Legion_5_15IAX10_Datasheet_EN.pdfRead 8 October 2026Gaming laptop for students, with Legion Coldfront: Hyper cooling

Form factor

Clamshell2Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026Original laptop views and current exact gallery show conventional clamshell chassis.

Clamshell2Maker spec sheet (PDF)psrefstuff.lenovo.com/syspool/Sys/PDF/datasheet/Legion_5_15IAX10_Datasheet_EN.pdfRead 8 October 2026

Chassis

3 of 6 differ

DimensionsiClosed laptop body size. Minimum and maximum thickness describe the front and rear or other points stated by the maker.

Width356.98Depth265.43mm(14.1 × 10.5 in)1Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 2026Current maker and updated original manual agree on width 356.98 mm and depth 265.43 mm. Height and weight are omitted because the maker rear 23.40 mm and starting 2.57 kg conflict with the A07 manual rear 16.30 mm and minimum 2.66 kg. No unsupported explanation for those differences is inferred.

Width344.9Depth255.35Thickness (min)19.95Thickness (max)21.54mm(13.6 × 10.1 × 0.8 in)1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026

Weight (published)iPublished laptop weight without the charger. A starting weight is identified in the source note and may vary with configuration.

Not available

1.9kg(4.2 lb)1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026Starting at 1.9 kg

Lid material

Aluminium1Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 2026Current maker embedded materials paragraph identifies anodized aluminum top panel.8Reviewtomshardware.com/laptops/gaming-laptops/alienware-16x-aurora-reviewRead 7 October 2026Contemporary review independently states aluminum top panel. Current maker materials paragraph is primary.

Aluminium1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026Aluminium (top), PC-ABS (bottom)

Bottom material

Aluminium1Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 2026The same current maker paragraph identifies anodized aluminum bottom panel.8Reviewtomshardware.com/laptops/gaming-laptops/alienware-16x-aurora-reviewRead 7 October 2026Contemporary review independently states aluminum bottom panel. Current maker materials paragraph is primary.

Plastic1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026

Max hinge angle

Not available

Not available

MIL-STD-810 testing (claimed)iManufacturer claim of MIL-STD-810 testing. The revision and tested procedures belong in the source note. This is not proof of every standard test.

Not available

Not available

Display

13 of 25 differ

Screen sizeiDiagonal of the main built-in display. Rounded-corner displays may be measured as a full rectangle.

16in(40.6 cm)1Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 20262Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026

15.1in(38.4 cm)1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 20264Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00007US. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001RUS. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.6Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001WMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.7Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00066MX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.8Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.9Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NNT. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.10Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F000ARMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.

Native resolution

2560 × 1600px1Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 20262Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026

2560 × 1600px1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 20264Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00007US. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001RUS. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.6Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001WMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.7Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00066MX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.8Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.9Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NNT. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.10Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F000ARMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.

Pixel density

188.7ppi=CalculatedFrom Screen size and Native resolution

199.9ppi=CalculatedFrom Screen size and Native resolution

Panel typeiDell's WVA means wide viewing angle and names no panel technology, so it is stored as IPS only when Dell or a review names IPS.

OLED1Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 20262Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026Original English April 2026 A07 Table 21, printed p. 25. Retain Option 2 OLED, 2560 x 1600 at 240 Hz. Option 1 IPS 240 Hz is excluded.

OLED1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 20264Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00007US. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001RUS. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.6Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001WMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.7Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00066MX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.8Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.9Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NNT. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.10Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F000ARMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.

Backlight

None (self-emissive)2Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026OLED is self-emissive. No separate LCD backlight is counted.

None (self-emissive)1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026

Dimming zonesiIndependently controlled backlight zones, not the number of LEDs or screen pixels.

Not available

Not available

Panel part numberiPanel part number identified in a matching review unit. Suppliers may vary within the same laptop configuration.

Not available

Not available

Screen surfaceiSurface of the stored display configuration. Anti-reflective coatings do not by themselves make a glossy display matte. A matte finish of the chassis is not the screen surface.

Matte1Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 20262Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026The original table explicitly selects Anti-glare in its Anti-glare versus glossy row, matching current selected maker Anti-Glare OLED. This is not an inference from an anti-reflective coating alone.

Glossy1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026

Touchscreen

No1Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 2026Current exact selected display is non-touch, corroborated by the matching OLED option in the updated manual.2Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026

No1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 20264Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00007US. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001RUS. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.6Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001WMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.7Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00066MX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.8Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.9Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NNT. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.10Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F000ARMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.

Stylus

Not available

None1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026

Refresh rate modesiHighest confirmed operating refresh rate of the built-in display at each resolution. Add a second row only for a documented dual-mode panel, not an ordinary supported timing.

AAlienware 16X Aurora AC16251 Core Ultra 9 290HX Plus

Width (px)	Height (px)	Maximum operating refresh (Hz)	VRR
2560	1600	240	Yes

Source2Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026Matching native OLED option explicitly 240 Hz and Adaptive Sync/NVIDIA G-SYNC. No lower-resolution timings or old LCD operating modes are added.

BLenovo Legion 5i (15", Gen 10)

Width (px)	Height (px)	Maximum operating refresh (Hz)
2560	1600	165

Source1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 20264Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00007US. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001RUS. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.6Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001WMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.7Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00066MX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.8Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.9Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NNT. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.10Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F000ARMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.

Max refresh rate

240Hz=CalculatedFrom Refresh rate modes

165Hz=CalculatedFrom Refresh rate modes

Adaptive synciNamed variable refresh technologies for the built-in display. Manual switching between 60Hz and 120Hz is not VRR.

G-SYNC2Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026Original built-in OLED display table explicitly NVIDIA G-SYNC. Generic Adaptive Sync wording is not interpreted as VESA certification. Current product-page cable note refers separately to an external monitor.

Not available

Gray-to-gray response time (claimed)iManufacturer claim for a gray-to-gray pixel transition. Do not use generic response times, black-to-white values, or motion-picture response times.

Not available

Not available

Native panel colour depthiPhysical panel colour depth per channel. Do not infer native bit depth or FRC from the number of supported colours.

Not available

Not available

Brightness (SDR, claimed)iManufacturer typical SDR luminance. Outdoor maxima and an unspecified peak are not typical SDR brightness.

400nits2Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026Matching OLED luminance cell explicitly 400 typical nits at SDR.

500nits1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026

Peak brightness (SDR outdoors, claimed)iManufacturer maximum SDR luminance explicitly claimed for outdoor use. Ambient light, automatic brightness and other stated conditions belong in the source note. Not typical SDR or HDR brightness.

Not available

Not available

Sustained brightness (HDR, claimed)iManufacturer explicitly sustained HDR luminance. Screen area, duration, temperature and other stated conditions belong in the source note. Not a brief peak or SDR luminance.

Not available

Not available

Peak brightness (HDR, claimed)iManufacturer peak luminance explicitly measured or claimed in HDR. Window size and duration belong in the source note.

620nits2Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026Matching OLED cell explicitly 620 typical nits HDR peak luminance, separately from 400 typical SDR. Manufacturer peak claim, not a reviewer measurement. Window size and duration are not specified.

1,000nits1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 20261000 nits (HDR peak)

sRGB coverage (claimed)iManufacturer stated sRGB gamut percentage. The source note identifies coverage, volume, or an unspecified maker gamut claim.

Not available

100%2Maker spec sheet (PDF)psrefstuff.lenovo.com/syspool/Sys/PDF/datasheet/Legion_5_15IAX10_Datasheet_EN.pdfRead 8 October 2026100% sRGB. The PSREF spec sheet lists 100% DCI-P3

DCI-P3 coverage (claimed)iManufacturer stated DCI-P3 gamut percentage. The source note identifies coverage, volume, or an unspecified maker gamut claim.

Not available

100%1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026

Adobe RGB coverage (claimed)iManufacturer stated Adobe RGB gamut percentage. The source note identifies coverage, volume, or an unspecified maker gamut claim.

Not available

Not available

HDR certification

DisplayHDR True Black 5002Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026Matching original OLED table explicitly VESA DisplayHDR True Black 500. Original table also lists VESA ClearMR 9000, now stored separately in other_certifications. Generic 0.2 ms response time is not identified as gray-to-gray and is omitted.

DisplayHDR True Black 6001Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026

Factory calibratediThe maker explicitly states factory colour calibration. Certification alone does not establish calibration.

Not available

Yes1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026X-Rite factory color calibration

Second display

Not available

Not available

Processor

8 of 14 differ

Processor

Intel Core Ultra 9 290HX Plus1Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 20263Maker product pageintel.com/content/www/us/en/products/sku/245960/intel-core-ultra-9-processor-290hx-plus-36m-cache-up-to-5-50-ghz/specifications.htmlRead 5 October 2026Exact processor launched Q1 2026, demonstrating that the current reference is a later configuration of the already marketed AC16251.

Intel Core Ultra 7 255HX4Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00007US. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001RUS. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.6Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001WMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.7Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00066MX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.8Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.9Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NNT. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.10Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F000ARMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.

Processor brand

Intel1Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 20263Maker product pageintel.com/content/www/us/en/products/sku/245960/intel-core-ultra-9-processor-290hx-plus-36m-cache-up-to-5-50-ghz/specifications.htmlRead 5 October 2026

Intel1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026

Core configurationiProcessor core groups using the chip maker's names. MediaTek Big, Apple Super and AMD Zen architecture labels remain distinct from Intel P and E labels.

AAlienware 16X Aurora AC16251 Core Ultra 9 290HX Plus

Core type	Count	Base clock (GHz)	Max clock (GHz)
Performance	8	2.7	5.5
Efficiency	16	1.8	4.7

Source3Maker product pageintel.com/content/www/us/en/products/sku/245960/intel-core-ultra-9-processor-290hx-plus-36m-cache-up-to-5-50-ghz/specifications.htmlRead 5 October 2026Exact 290HX Plus: eight performance cores 2.7 GHz base/5.5 GHz maximum, sixteen efficiency cores 1.8 GHz base/4.7 GHz maximum. Fixed processor specifications, not configured laptop power limits.

BLenovo Legion 5i (15", Gen 10)

Core type	Count	Base clock (GHz)	Max clock (GHz)
Performance	8	2.4	5.2
Efficiency	12	1.8	4.5

Source1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026Core Ultra 7 255HX: 20 (8 P-core + 12 E-core), P-core 2.4 GHz / E-core 1.8 GHz base, P-core 5.2 GHz / E-core 4.5 GHz max

CPU cores

24=CalculatedFrom Core configuration

20=CalculatedFrom Core configuration

Cores labelled performanceiCounts only rows classified as performance. Other labels, including Big, Super and AMD Zen architecture rows, are not included.

8=CalculatedFrom Core configuration

8=CalculatedFrom Core configuration

Cores labelled efficiencyiCounts only efficiency and low-power-efficiency rows. AMD Zen 5c and Apple super cores are not included.

16=CalculatedFrom Core configuration

12=CalculatedFrom Core configuration

ThreadsiMaximum hardware threads of the processor, including simultaneous multithreading where supported.

243Maker product pageintel.com/content/www/us/en/products/sku/245960/intel-core-ultra-9-processor-290hx-plus-36m-cache-up-to-5-50-ghz/specifications.htmlRead 5 October 2026Exact Intel processor explicitly 24 threads and no Hyper-Threading. Generic manual performance-core Hyper-Threading prose is not applied to this processor.

201Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026

Max boost clock

5.5GHz=CalculatedFrom Core configuration

5.2GHz=CalculatedFrom Core configuration

L3 cacheiL3 cache only. Do not copy a combined L2 plus L3 cache total. Qualcomm's total cache, such as 30 MB on Snapdragon X, is not L3, even when a laptop maker labels it L3.

36MB3Maker product pageintel.com/content/www/us/en/products/sku/245960/intel-core-ultra-9-processor-290hx-plus-36m-cache-up-to-5-50-ghz/specifications.htmlRead 5 October 2026Exact Intel 36 MB Smart Cache quantity. Matching original HP fixed-processor row explicitly identifies the same 290HX Plus cache as 36 MB L3.4Maker spec sheet (PDF)h20195.www2.hp.com/v2/GetPDF.aspx/c09129341Read 5 October 2026Original HP manufacturer data sheet explicitly lists the exact Intel Core Ultra 9 290HX PLUS fixed component with 36 MB L3 cache, 24 cores/24 threads and Intel Graphics. Used only to identify the level of the same processor cache corroborated by Intel. No HP laptop configuration, memory, power or chassis value is transferred.

30MB1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026

ProcessiProcess size class of the processor compute die in nm, as on CPUs: TSMC N3B is 3, Intel 7 is 10, Intel 4 is 7 and Intel 18A is 1.8. Marketing process names and other chiplet processes belong in the source note.

3nm3Maker product pageintel.com/content/www/us/en/products/sku/245960/intel-core-ultra-9-processor-290hx-plus-36m-cache-up-to-5-50-ghz/specifications.htmlRead 5 October 2026Lithography row says TSMC N3B, stored as 3 nm like the other Arrow Lake products.

Not available

Sustained CPU power (configured)iThis laptop's sustained configured CPU power limit, such as PL1. A chip manufacturer's generic base power is not the laptop setting.

Not available

Not available

Peak CPU power (configured)iThis laptop's configured short-duration CPU limit, such as PL2. Do not substitute generic processor maximum turbo power.

Not available

Not available

Combined CPU and GPU poweriMaker stated simultaneous CPU plus discrete-GPU budget for the exact configuration and power mode.

Not available

Not available

NPU performanceiNPU-only claimed operations per second. Excludes combined CPU, GPU and platform AI throughput. Precision belongs in the source note.

13TOPS3Maker product pageintel.com/content/www/us/en/products/sku/245960/intel-core-ultra-9-processor-290hx-plus-36m-cache-up-to-5-50-ghz/specifications.htmlRead 5 October 2026Exact Intel NPU-only peak 13 TOPS at INT8. Combined platform 36 TOPS is excluded.

13TOPS1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026

Graphics

5 of 9 differ

Discrete GPUiA separate dedicated graphics processor is installed. Integrated or unified-memory graphics do not qualify.

Yes1Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 2026

Yes1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026

GPU

NVIDIA GeForce RTX 5060 Laptop GPU1Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 2026

NVIDIA GeForce RTX 5070 Laptop GPU4Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00007US. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001RUS. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.6Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001WMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.7Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00066MX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.8Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.9Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NNT. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.10Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F000ARMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.

GPU brand

NVIDIA1Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 2026

NVIDIA1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026

VRAMiDedicated video memory of the installed discrete GPU. Shared system memory is excluded.

8GB1Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 2026

8GB4Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.6Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.7Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.8Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.9Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.10Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.

Max GPU power (TGP)iMaximum configured discrete-GPU power including Dynamic Boost. Mode and any maker qualification belong in the source note.

Not available

115W1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 20262Maker spec sheet (PDF)psrefstuff.lenovo.com/syspool/Sys/PDF/datasheet/Legion_5_15IAX10_Datasheet_EN.pdfRead 8 October 2026

Dynamic BoostiMaximum additional GPU power shifted from the CPU through NVIDIA Dynamic Boost. This is part of maximum TGP, not extra to it. A figure written as "up to 115W Dynamic Boost" is the total, so it goes in gpu_tgp_max_w.

Not available

15W2Maker spec sheet (PDF)psrefstuff.lenovo.com/syspool/Sys/PDF/datasheet/Legion_5_15IAX10_Datasheet_EN.pdfRead 8 October 2026NVIDIA GeForce RTX 5070 Laptop GPU / 8 GB GDDR7 / 115 W incl. 15 W Boost / 2347 MHz Boost Clock

GPU boost clockiHighest maker configured GPU boost clock, including factory overclock where explicitly stated. Mode belongs in the source note.

Not available

2,347MHz4Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.6Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.7Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.8Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.9Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.10Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.

GPU switchingiExplicit GPU display-routing or power-sharing features. Advanced Optimus includes hardware display multiplexing.

Not available

MUX switch2Maker spec sheet (PDF)psrefstuff.lenovo.com/syspool/Sys/PDF/datasheet/Legion_5_15IAX10_Datasheet_EN.pdfRead 8 October 2026MUX Supported

Integrated GPU

Intel Graphics3Maker product pageintel.com/content/www/us/en/products/sku/245960/intel-core-ultra-9-processor-290hx-plus-36m-cache-up-to-5-50-ghz/specifications.htmlRead 5 October 2026Exact Intel 290HX Plus explicitly Intel Graphics, four Xe cores. Generic Dell manual Intel Arc label is not substituted for exact processor identity.

Intel Graphics1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026

Memory

1 of 9 differ

Installed RAMiTotal installed RAM in this product configuration, not the maximum purchase option.

32GB1Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 2026

32GB4Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00007US. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001RUS. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.6Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001WMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.7Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00066MX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.8Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.9Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NNT. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.10Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F000ARMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.

RAM type

DDR51Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 20262Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026

DDR51Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 20264Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00007US. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001RUS. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.6Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001WMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.7Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00066MX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.8Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.9Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NNT. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.10Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F000ARMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.

RAM speediConfigured memory data rate in transfers per second. Do not treat the DRAM clock in MHz as the data rate.

5,600MT/s1Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 2026Current reference is published up to 5600 MT/s. Updated manual identifies 5600 as factory-installed and 6400 only as customer self-upgrade. The 6400 option is excluded.2Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 20265600 MT/s factory-installed. 6400 MT/s applies only to customer self-upgrade, not this reference configuration.

5,600MT/s1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 20264Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00007US. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001RUS. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.6Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001WMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.7Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00066MX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.8Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.9Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NNT. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.10Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F000ARMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.

Memory channelsiActive memory channels of the installed configuration, not the number of RAM modules or slots. One installed module is one channel. This holds for DDR5 too, whose two 32-bit subchannels on one module do not count as two channels. Soldered LPDDR memory counts in 64-bit units, so a 128-bit bus is 2 channels, even when a maker calls it quad-channel.

22Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026Supported matching 32 GB configuration explicitly 2 x 16 GB, dual-channel, non-ECC and non-XMP.

21Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 20264Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00007US. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001RUS. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.6Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001WMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.7Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00066MX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.8Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.9Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NNT. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.10Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F000ARMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.

RAM upgradeiWhether the installed RAM is soldered, socketed in slots, or a mixture. Purchase-time configurations are not upgrades.

Slots2Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026Original English A07 memory table explicitly two SO-DIMM sockets with replaceable modules.

Slots1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 20264Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00007US. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001RUS. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.6Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001WMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.7Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00066MX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.8Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.9Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NNT. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.10Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F000ARMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.

Memory slotsiPhysical replaceable RAM module sockets grouped by type and occupancy. Clocked SO-DIMM uses CSODIMM. Soldered memory is excluded.

AAlienware 16X Aurora AC16251 Core Ultra 9 290HX Plus

Slot	Count	Occupied	Module size (GB)
SO-DIMM	2	Yes	16

Source1Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 2026Exact selected 32 GB is explicitly 2 x 16 GB, occupying both documented SO-DIMM sockets.2Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026

BLenovo Legion 5i (15", Gen 10)

Slot	Count	Occupied	Module size (GB)
SO-DIMM	2	Yes	16

Source4Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.6Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.7Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.8Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.9Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.10Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.

RAM slots

2=CalculatedFrom Memory slots

2=CalculatedFrom Memory slots

Free RAM slots

0=CalculatedFrom Memory slots

0=CalculatedFrom Memory slots

Maximum supported RAMiManufacturer supported maximum RAM, including purchase-time soldered options. Does not imply post-purchase upgradeability.

64GB2Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026Updated original table explicitly maximum 64 GB. It is not inferred by doubling a generic processor memory limit.

32GB1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026Up to 32 GB DDR5-5600 offering (based on current Lenovo memory offerings)

Storage

2 of 7 differ

Installed storageiTotal advertised installed storage in decimal GB. Convert 1TB to 1000GB, without changing an explicitly published 512GB value.

1TB1Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 2026

1TB4Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00007US. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001RUS. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.6Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001WMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.7Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00066MX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.8Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.9Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NNT. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.10Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F000ARMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.

Storage type

NVMe SSD2Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026Internal SSD interfaces explicitly PCIe NVMe. Wireless M.2 connector is excluded from storage sockets.

NVMe SSD1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 20264Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00007US. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001RUS. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.6Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001WMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.7Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00066MX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.8Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.9Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NNT. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.10Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F000ARMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.

Installed drive PCIe generationiPCIe generation of the installed drive. This may be lower than the slot capability.

41Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 2026Current installed 1 TB M.2 2230 Gen4x4 drive. This is the installed drive interface, not proof of maximum connector generation.

44Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00007US. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001RUS. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.6Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001WMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.7Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00066MX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.8Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.9Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NNT. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.10Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F000ARMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.

Storage slotsiPhysical storage connectors grouped by capability and occupancy. A slot accepting several drive lengths is one slot, not one per length.

AAlienware 16X Aurora AC16251 Core Ultra 9 290HX Plus

Form factor	Interface	Count	Occupied
M.2 2280	PCIe NVMe	1	Yes
M.2 2280	PCIe NVMe	1	No

Source2Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026Original English A07 internal-slots table explicitly two SSD sockets each supporting M.2 2230/2280, corroborated by separate 2280 replacement procedures. Longest supported length 2280 is stored for each physical socket. Exact selected single 2230 drive occupies one and leaves one free. Older storage prose listing only two 2230 drives is superseded by the updated table and procedures. Gen5 SSD1 support is qualified only for RTX 5070 Ti and is not applied to this RTX 5060. No maximum slot PCIe generation is inferred.

BLenovo Legion 5i (15", Gen 10)

Form factor	Interface	PCIe generation	PCIe lanes	Count	Occupied
M.2 2280	PCIe NVMe	4	4	1	Yes
M.2 2280	PCIe NVMe	4	4	1	No

Source1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026Two M.2 2280 PCIe 4.0 x4 slots. One 1 TB M.2 2242 drive installed

M.2 slots

2=CalculatedFrom Storage slots

2=CalculatedFrom Storage slots

Free storage slots

1=CalculatedFrom Storage slots

1=CalculatedFrom Storage slots

Maximum slot PCIe generation

Not available

4=CalculatedFrom Storage slots

Ports

2 of 7 differ

PortsiPhysical laptop connectors grouped by type, protocol capability and side. One connector with several protocols is counted once.

AAlienware 16X Aurora AC16251 Core Ultra 9 290HX Plus

Type	Version	Count	Side	Maximum data rate (Gbps)	Thunderbolt or USB4	DP Alt Mode
Ethernet (RJ45)	Not available	1	Left	1	Not available	Not available
USB-A	USB 3.2 Gen 1	1	Left	5	Not available	Not available
3.5 mm audio	Not available	1	Left	Not available	Not available	Not available
USB-A	USB 3.2 Gen 1	1	Rear	5	Not available	Not available
USB-C	USB 3.2 Gen 2 / DisplayPort 2.1	1	Rear	10	Not available	Yes
USB-C	Thunderbolt 4 / USB4 / DisplayPort 2.1	1	Rear	40	Thunderbolt 4	Yes
HDMI	HDMI 2.1	1	Rear	Not available	Not available	Not available
DC in	Not available	1	Rear	Not available	Not available	Not available

Source2Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026Complete original left/right/back views and external-port table: left RJ45 1 Gbps, USB-A 5 Gbps and 3.5 mm headset. Right has only vents. Rear USB-A 5 Gbps, USB-C Gen2 10 Gbps with DisplayPort 2.1, separate Thunderbolt 4/USB4 40 Gbps with DisplayPort 2.1, HDMI 2.1 and barrel DC-in. Current maker PD wording does not establish accepted charging maxima. No HDMI bandwidth is inferred. The 3.5 mm headset is not interpreted as an RCA connector from the maker parenthetical typo.

BLenovo Legion 5i (15", Gen 10)

Type	Version	Count	Side	Maximum data rate (Gbps)	Thunderbolt or USB4	DP Alt Mode	Maximum charging input (W)	Maximum peripheral power (W)
USB-C	USB 3.2 Gen 2	1	Left	10	Not available	Yes	140	15
USB-C	Thunderbolt 4 / USB4	1	Left	40	Thunderbolt 4	Yes	Not available	15
USB-A	USB 3.2 Gen 1	1	Left	5	Not available	Not available	Not available	10
Ethernet (RJ45)	Not available	1	Left	1	Not available	Not available	Not available	Not available
USB-A	USB 3.2 Gen 1	2	Right	5	Not available	Not available	Not available	4.5
3.5 mm audio	Not available	1	Right	Not available	Not available	Not available	Not available	Not available
HDMI	HDMI 2.1	1	Rear	Not available	Not available	Not available	Not available	Not available
DC in	Not available	1	Rear	Not available	Not available	Not available	Not available	Not available

Source1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026Current July 21 2026 PSREF Standard Ports and footnote 2: marked USB-C 10 Gbps charging port supports standard PD 95-100 W, plus Lenovo protocol 140 W with a unique Lenovo adapter. Stored accepted 140 W maximum is conditional, separate from the supplied 245 W Slim Tip adapter. Thunderbolt 4/USB4 40 Gbps connector input is not stated and stays omitted. Overview labels USB-A on the left as Always On, unlike the two right USB-A. Peripheral outputs come from exact linked guide.2Maker spec sheet (PDF)psrefstuff.lenovo.com/syspool/Sys/PDF/datasheet/Legion_5_15IAX10_Datasheet_EN.pdfRead 8 October 2026Maker left/right/rear port diagram identifies left Always On USB-A and two ordinary right USB-A. Sheet PD 65-100 W describes standard Power Delivery. Current PSREF footnote separately proves the conditional Lenovo 140 W protocol maximum and exact user guide specifies peripheral-output maxima.12Owner's manualfastdepot.online/storage/product/53/jDHmIzAIJdFXDO4PN2TiCoGJbcvtKQxKQYDIJVSY.pdfRead 30 September 2026Lenovo User Guide, Legion 5/5i 15-inch Gen 10 PDF, p13 specifically Legion 5 15IAX10: Ethernet, USB-C PD, USB-C Thunderbolt 4, USB-A left. P17: audio, two USB-A and camera switch right. P19: HDMI and power rear.13Owner's manualsupport.lenovo.com/us/en/documentation/SG10115/intro_specsRead 8 October 2026Linked User Guide First Edition April 2025 Features and specifications connector table explicitly lists maximum Type-C input 140 W and maximum Type-C peripheral output 5 V/3 A, or 15 W. Only the marked PD port gets input 140 W, corroborated by current exact platform PSREF footnote requiring unique Lenovo adapter. Both Type-C ports retain published 15 W peripheral-output rating. Ordinary USB-A maximum 5 V/0.9 A, or 4.5 W and Always On USB-A maximum 5 V/2 A, or 10 W. Sides come from maker complete overview/datasheet. The manual covers several Legion 5 platforms. Its OLED 15.3-inch size, raw Thunderbolt 4 41.25 Gbps protocol line and unscoped Bluetooth 5.3 alternative are not copied into exact 15IAX10 reference.

USB-C ports

2=CalculatedFrom Ports

2=CalculatedFrom Ports

Thunderbolt

Yes=CalculatedFrom Ports

Yes=CalculatedFrom Ports

Highest HDMI version

HDMI 2.1=CalculatedFrom Ports

HDMI 2.1=CalculatedFrom Ports

Card reader

No=CalculatedFrom Ports

No=CalculatedFrom Ports

Ethernet speed

1Gbps=CalculatedFrom Ports

1Gbps=CalculatedFrom Ports

Maximum USB-C charging inputiHighest confirmed charging power accepted by a USB-C port. This is separate from adapter rating and power delivered to peripherals.

Not available

140W=CalculatedFrom Ports

Wireless

3 of 5 differ

Wi-Fi

Wi-Fi 71Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 2026

Wi-Fi 74Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.6Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.7Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.8Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.9Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.10Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.

Wi-Fi bandsiSupported radio frequency bands. Availability may be restricted by country or regulatory configuration.

2.4 GHz, 5 GHz, 6 GHz2Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026Table 9 MediaTek MT7925B22M explicitly 2.4, 5 and 6 GHz. Regional, driver and operating-system availability apply.

Not available

Wi-Fi module

MediaTek Wi-Fi 7 MT79251Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 2026Current selected maker literal MediaTek Wi-Fi 7 MT7925. The manual adds the module suffix B22M, which is not needed for the retained maker identity.

Not available

BluetoothiThe version as a number with one decimal, such as 5.4 or 6.0. A qualifier such as or above goes in the source note.

5.42Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026Table 9 explicitly Bluetooth 5.4 with operating-system functionality caveat.

5.44Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.6Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.7Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.8Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.9Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.10Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.

Cellular

Not available

No1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026WWAN: No support

Keyboard and touchpad

4 of 8 differ

Keyboard layoutsiDocumented layouts of the retained regional SKUs. Do not infer a layout solely from the sales country.

English US1Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 2026

English, English (EU), Nordic4Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00007US. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001RUS. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.6Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001WMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.7Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00066MX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.8Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.9Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NNT. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.10Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F000ARMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.

Key switches

Not available

Not available

Keyboard backlightiA maker-confirmed backlight with no published type uses backlit_unspecified. Do not infer white lighting, a single colour or RGB from backlit alone. A single-zone RGB backlight is RGB zones.

RGB zones1Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 2026Exact selected keyboard explicitly 1-Zone AlienFX RGB Keyboard, English US.

RGB zones4Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.6Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.7Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.8Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.9Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.10Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.

NumpadiDedicated physical numeric keypad. A virtual touchpad number pad is not counted.

Yes2Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026Original keyboard table and current exact maker front photo show a dedicated physical numeric keypad.

Yes1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026

Key traveliPhysical key travel distance, not actuation distance.

1.4mm6Maker spec sheet (PDF)oktabit.gr/media/products/pdf/244-94-DENSRAL16CX2/244-94-DENSRAL16CX2.pdfRead 7 October 2026Original one-page Alienware technical sheet, Keyboard Options: 1.4 mm key travel. This shared one-zone AlienFX keyboard is corroborated for the 2026 OLED family by contemporary Notebookcheck news and BGR review. No old LCD, processor or configured power facts are transferred.7Press articlenotebookcheck.net/Alienware-s-new-Aurora-16X-targets-portable-gaming-with-OLED-display-and-RTX-50-series-GPUs.1195060.0.htmlRead 7 October 20262026 OLED announcement explicitly lists the one-zone RGB keyboard with 1.4 mm travel.10Reviewbgr.com/2239500/alienware-16x-aurora-reviewRead 7 October 2026Current OLED review explicitly describes the common one-zone keyboard as 1.4 mm travel. Its configuration section identifies 290HX Plus and 5070 Ti, and the physical keyboard is shared across the stated current configuration options. Only keyboard travel transfers, not performance, thermals, ports or power.

1.6mm1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026

Pointing stickiDedicated stick pointing device such as TrackPoint. A touchpad does not qualify.

Not available

Not available

Touchpad size

Width115Height70mm(4.5 × 2.8 in)2Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026Table 17 p. 22 explicitly physical 115 mm width and 70 mm height. Click mechanism is not inferred. Keyboard pitch 18.70 x 18.05 mm is not key travel.

Width120Height75mm(4.7 × 3 in)1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 202675 x 120 mm

Touchpad mechanismiA clickpad or glass touchpad that clicks when pressed down is mechanical. Haptic needs a source that says haptic or force feedback.

Mechanical8Reviewtomshardware.com/laptops/gaming-laptops/alienware-16x-aurora-reviewRead 7 October 20262026 OLED 270HX Plus / RTX 5060 review explicitly describes top-hinged mechanical clicks. Shared touchpad only, supported by matching current manual dimensions and replacement assembly. No measurements from this CPU configuration are transferred.

Not available

Camera and audio

4 of 7 differ

Webcam

1920 x 1080 at 30 fps2Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026Table 16 p. 21 explicitly FHD RGB 1920 x 1080 at 30 fps. Separate IR camera 640 x 360 at 15 fps is not substituted for the RGB resolution. Older Aurora 16 HD-camera values are excluded.

5.0MP4Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00007US. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001RUS. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.6Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001WMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.7Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00066MX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.8Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.9Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NNT. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.10Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F000ARMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.

IR face loginiAn infrared camera suitable for Windows Hello face authentication. An ordinary webcam or fingerprint sensor does not qualify.

Yes2Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026Front view figure 3 p. 8 explicitly identifies infrared camera and its pairing with Windows Hello Face Authentication. No mechanical shutter is proved.

Not available

Webcam privacy

Not available

Electronic kill switch1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026E-shutter

Built-in speaker driversiIndividual built-in acoustic drivers, including separate tweeters and woofers. Do not count audio channels or infer driver count from speaker assemblies.

22Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026Table 10 p. 18 explicitly two speakers.

21Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026

Total speaker poweriCombined published power of the built-in speaker drivers. RMS or peak classification belongs in the source note.

4W2Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026Table 10 explicitly average 2 W + 2 W = 4 W. Separate peak 5 W is not substituted.

4W1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026

Audio features

Dolby Audio1Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 2026Current embedded audio paragraph explicitly names Dolby Audio.

Audio by HARMAN, Nahimic Audio1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026

MicrophonesiPhysical built-in microphones, not beamforming channels or microphone modes.

22Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026Front view figure 3 p. 8 explicitly Microphones (2).

21Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026

Battery and power

4 of 5 differ

Battery energyiPublished nominal energy capacity of the installed internal battery in watt-hours. Separate from measured runtime and charger output.

96Wh1Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 20262Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026Original battery table documents six-cell 96 Wh, matching current exact selected offer. No runtime for a different CPU/LCD reference is copied.

80Wh1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 20264Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00007US. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001RUS. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.6Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001WMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.7Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00066MX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.8Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.9Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NNT. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.10Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F000ARMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.

Claimed battery lifeiManufacturer maximum runtime for each explicitly named test. Display brightness, configuration and other conditions belong in the source note. Wireless streaming preserves an unnamed content type and does not imply video or audio. Video conferencing requires an explicit calling test, with application and participant setup in the source note. MobileMark versions use different workloads, so compare only rows of the same version.

AAlienware 16X Aurora AC16251 Core Ultra 9 290HX Plus

Not available

BLenovo Legion 5i (15", Gen 10)

Use case	Hours (h)
MobileMark 30	4.4
Video playback	10.8

Source1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 202680 Wh models: MobileMark 30 at 250 nits 4.4 hr, local 1080p video at 150 nits 10.8 hr

Adapter rated outputiNominal rated output of the documented supplied or recommended adapter. A temporary dynamic maximum belongs in the source note. Not the laptop charging-input limit.

180W2Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026Tables 18/19 pp. 22 onward explicitly 180 W E4 adapter required for optimal RTX 5060 performance. Separate 280 W E5 applies to RTX 5070/5070 Ti. This is recommended adapter output, not proof of box inclusion or maximum charging input.

245W4Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.6Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.7Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.8Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.9Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.10Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.

Laptop charging connectoriConnector at the laptop end of the documented main charging cable, not the wall plug or adapter-end connector. HP's AC smart pin is a round DC plug, so it is barrel.

Barrel2Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026Original adapter table explicitly barrel connector 7.4 mm external and 5.1 mm internal diameter. USB-C power delivery is separate from the documented main adapter.

Proprietary1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026Slim tip (rectangle) power connector

Charge 0 to 50 % (claimed)iManufacturer time to charge an empty battery to 50%. Adapter and powered-off conditions belong in the source note.

Not available

Not available

Cooling

2 of 4 differ

FansiPhysical cooling fans inside the laptop. Excludes fans in external coolers and the power adapter.

22Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026A07 fan assembly procedures identify left FAN2 and right FAN1 in both supported thermal assemblies. Exactly two physical fans.7Press articlenotebookcheck.net/Alienware-s-new-Aurora-16X-targets-portable-gaming-with-OLED-display-and-RTX-50-series-GPUs.1195060.0.htmlRead 7 October 20262026 OLED family explicitly uses dual fans. Current original manual establishes the physical count.

Not available

Vapor chamberiA vapor-chamber heat spreader is installed. Ordinary heatpipes alone do not qualify.

Not available

Not available

Liquid metaliComponents where the maker confirms liquid-metal thermal material. Ordinary thermal paste is excluded.

Not available

Not available

Power modesiPublished laptop operating modes and configured power limits. Do not place observed runtime power measurements in this table.

AAlienware 16X Aurora AC16251 Core Ultra 9 290HX Plus

Name
Quiet

Source1Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 2026Current embedded Stealth Mode paragraph explicitly selects Quiet Mode. Only its name is stored. No unproved configured wattage is added.

BLenovo Legion 5i (15", Gen 10)

Name
Balance
Performance

Source2Maker spec sheet (PDF)psrefstuff.lenovo.com/syspool/Sys/PDF/datasheet/Legion_5_15IAX10_Datasheet_EN.pdfRead 8 October 2026Maker AI Engine+ section explicitly names Balance and Performance modes and Coldfront Hyper section says Fn+Q switches modes. These are the two directly named modes in this sheet, not an exhaustive claim that other modes do not exist. No configured CPU/GPU wattage is supplied for either row.

Security

3 of 4 differ

Fingerprint

Not available

None1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026No fingerprint reader

TPM

Not available

2.04Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.6Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.7Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.8Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.9Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.10Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Exact SKU Model Configurations: WLAN+Bluetooth, Keyboard, Security Chip, Power Adapter, Memory and Graphics rows.

Remote management

Not available

Not available

Security lock slotiA dedicated built-in physical security-cable slot. Security locks that occupy a USB-C port do not qualify.

No2Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026Original external-port table explicitly states Security-cable slot Not supported. The complete media-card-reader absence is separately reflected by ports. New fan count is established by the actual left/right fan assembly procedures. No uncertain material, TPM version, configured power limit or runtime is inferred.

Not available

Software

0 of 3 differ

Operating system

Windows 11 Home1Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 2026

Windows 11 Home4Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00007US. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001RUS. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.6Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001WMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.7Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00066MX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.8Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.9Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NNT. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.10Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F000ARMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.

OS family

Windows1Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 2026

Windows1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026

Security updates untiliPublished end date of OS/security updates promised for the exact device model. Preserve the source precision. Do not calculate it from years or substitute a generic OS-version lifecycle. Unknown when no device-specific promise is published.

Not available

Not available

Measured display

None of 12 known

Brightness (measured, centre)iReviewer center-point SDR luminance for the matching display configuration. Do not substitute a review average or unspecified measurement.

Not available

Not available

Brightness (measured, average)iReviewer mean luminance across a documented display grid, normally nine points.

Not available

Not available

Contrast ratio (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

HDR peak brightness (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

sRGB coverage (measured)iReviewer measured sRGB coverage, not gamut volume. Instrument and method belong in the source note.

Not available

Not available

DCI-P3 coverage (measured)iReviewer measured DCI-P3 coverage, not gamut volume. Display P3 measurements are identified in the source note.

Not available

Not available

Colour accuracy (measured Delta E)iReviewer colour error before calibration. Delta-E formula, colour space and picture mode belong in the source note.

Not available

Not available

PWM flicker foundiWhether a reviewer detected pulse-width-modulation flicker under the documented test conditions. False does not prove all frequency ranges were tested.

Not available

Not available

PWM frequency (measured)iDetected PWM frequency at the brightness setting stated by the reviewer.

Not available

Not available

PWM at or below brightnessiHighest display brightness setting at or below which the documented PWM is detected.

Not available

Not available

Response black to white (measured)iReviewer combined rise and fall response for black-to-white-to-black, with test conditions in the source note.

Not available

Not available

Response grey to grey (measured)iReviewer combined rise and fall response between specified grey levels. State the levels in the source note.

Not available

Not available

Measured performance

None of 8 known

Cinebench 2024 single-coreiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Cinebench 2024 multi-coreiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Geekbench 6 single-coreiMeasured by a reviewer, not claimed by the maker. Geekbench 6 only. Geekbench 5 and 7 use other scales, so their scores are not stored.

Not available

Not available

Geekbench 6 multi-coreiMeasured by a reviewer, not claimed by the maker. Geekbench 6 only. Geekbench 5 and 7 use other scales, so their scores are not stored.

Not available

Not available

3DMark Time Spy graphicsiMeasured by a reviewer, not claimed by the maker. Graphics score, not the overall score. A score the review does not label as graphics is left out.

Not available

Not available

3DMark Steel NomadiMeasured by a reviewer, not claimed by the maker

Not available

Not available

SSD sequential read (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Game frame ratesiMatching review-unit game results. Resolution, preset, upscaling, frame generation and ray tracing are stated only when documented.

Not available

Not available

Measured noise and temperature

None of 9 known

Fan noise per modeiReviewer sound-pressure readings for the matching configuration and mode. Measurement distance and workload belong in the source note.

Not available

Not available

Max fan noiseiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Fan noise while gamingiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Top surface under loadiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Bottom surface under loadiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Palm rest under loadiMeasured by a reviewer, not claimed by the maker

Not available

Not available

CPU temperature in stress testiMeasured by a reviewer, not claimed by the maker

Not available

Not available

CPU clock in stress testiMeasured by a reviewer, not claimed by the maker

Not available

Not available

GPU temperature while gamingiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Measured battery and power

None of 10 known

Battery runtime per testiReviewer runtime for the exact test and configuration. Mixed browsing, video and graphics workloads are classified as mixed use.

Not available

Not available

Wi-Fi browsing runtimeiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Video runtimeiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Full charge time (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Power draw idleiHighest reviewer idle AC power reading for the matching configuration and test conditions.

Not available

Not available

Power draw gamingiReviewer AC power draw during the named game and settings. Not GPU-only power.

Not available

Not available

Power draw maxiMaximum reviewer AC input power during the documented load or stress test. Not the adapter rating.

Not available

Not available

Sustained CPU power (measured)iObserved sustained CPU package power during the documented test. Not the configured PL1 limit.

Not available

Not available

GPU power while gaming (measured)iObserved GPU-only power while running the documented game and settings.

Not available

Not available

Weight (measured)iReviewer measured laptop mass without its power adapter unless the source note explicitly states otherwise.

Not available

Not available

Certifications

4 of 6 differ

Intel EvoiManufacturer certification of the exact configuration as Intel Evo. Processor support alone does not establish certification.

Not available

Not available

Copilot+ PCiManufacturer identifies the configuration as Copilot+ PC. A Copilot keyboard key alone is insufficient.

Not available

Not available

Colour certifications

Not available

X-Rite Certified2Maker spec sheet (PDF)psrefstuff.lenovo.com/syspool/Sys/PDF/datasheet/Legion_5_15IAX10_Datasheet_EN.pdfRead 8 October 2026X-Rite Certified

ENERGY STAR

Not available

Yes1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026ENERGY STAR 9.0, only on models with preloaded OS. All listed models ship with Windows

EPEAT

Not available

Gold1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026EPEAT Gold Registered, only on models with preloaded OS

Other certifications

VESA ClearMR 90002Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026A07 Table 21 explicitly names VESA ClearMR9000 certified for OLED Option 2. No calibration or native panel depth is inferred.7Press articlenotebookcheck.net/Alienware-s-new-Aurora-16X-targets-portable-gaming-with-OLED-display-and-RTX-50-series-GPUs.1195060.0.htmlRead 7 October 20262026 OLED announcement independently names ClearMR 9000.

TÜV Rheinland Flicker Free, TÜV Rheinland Low Blue Light (Hardware Solution), ErP Lot 3, RoHS compliant1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026

In the box

2 of 2 differ

In the boxiAccessories confirmed for this exact SKU. Do not combine mutually exclusive regional bundles into one box.

Not available

245W Slim Tip (3-pin)4Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Power Adapter 245 W Slim Tip, Bundled Accessories None. Every retained row has the same adapter.

Power adapter includediWhether a power adapter is included with this exact regional SKU. A supported or recommended adapter does not prove inclusion.

Not available

Yes4Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00007US. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001RUS. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.6Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001WMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.7Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00066MX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.8Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.9Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NNT. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.10Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F000ARMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.

Warranty

2 of 2 differ

Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

Not available

1year4Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026US manufacturer base warranty for exact SKU 83F00007US: 1 year. Included service upgrades and other SKU markets may differ. This source-market value is not a universal regional warranty.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026US manufacturer base warranty for exact SKU 83F0001RUS: 1 year. Included service upgrades and other SKU markets may differ. This source-market value is not a universal regional warranty.

Warranty serviceiDocumented manufacturer warranty service for the named market. Included paid service upgrades belong in the source note.

Mail-in1Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 2026Included US Base Warranty explicitly Basic Hardware Service with Mail-In. Optional onsite service upgrade is excluded. Unstated duration is omitted.

Collect and return, Carry-in4Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00007US. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.5Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001RUS. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.6Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0001WMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.7Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F00066MX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.8Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.9Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F0006NNT. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.10Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX10Read 30 September 2026Live PSREF Model Configurations table for exact 83F000ARMX. Configuration, operating system, keyboard, GTIN and bundled accessories read on 2026-09-30.

Links

Not compared

Product page

www.dell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac162511Maker product pagedell.com/en-us/shop/dell-laptops/spd/alienware16xauroraac16251Read 7 October 2026

psref.lenovo.com/Product/Legion/Legion_5_15IAX1011Maker product pagepsref.lenovo.com/Product/Legion/Legion_5_15IAX10Read 30 September 2026Official PSREF page for Legion_5_15IAX10.

Spec sheet

Not available

psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdf1Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX10/Legion_5_15IAX10_Spec.pdfRead 8 October 2026

Manual

manualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manual2Owner's manualmanualzz.com/doc/90076382/dell-16x-aurora-ac16251-owner-s-manualRead 7 October 2026Original Dell April 2026 A07 owner manual, 160 pages, P139F002/P139F003, was independently read through the public document reader. Its revision history updates OLED, memory, storage and ports in March/April 2026. Only actual document text is used, not the mirror AI summary. Direct HTTP returned a security check and was not bypassed. A complete later OLED reference sheet was not found. The earlier manufacturer brochure is used only for keyboard travel, independently corroborated on the current OLED family.

pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/legion-series/legion-5-15iax10/document-userguide3Owner's manualpcsupport.lenovo.com/us/en/products/laptops-and-netbooks/legion-series/legion-5-15iax10/document-userguideRead 30 September 2026Lenovo support Guides & Manuals page for Legion 5 15IAX10: User Guide (HTML), Hardware Maintenance Manual, Setup Guide (PDF). Linked from PSREF12Owner's manualfastdepot.online/storage/product/53/jDHmIzAIJdFXDO4PN2TiCoGJbcvtKQxKQYDIJVSY.pdfRead 30 September 2026Manufacturer manual read from public retailer PDF mirror because the official interactive landing body did not load.

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

Not available

Not available

Both are also in the API. Back to all laptops.