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Lenovo Legion 5i (15", Gen 11) 15IAX11 vs MSI Stealth 16 AI+ B3WI-005US

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Product A: Lenovo

Legion 5i (15", Gen 11) 15IAX11

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B

Product B: MSI

Stealth 16 AI+ B3WI-005US

92 of 179 known

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All 179 fields

Every value links to where we found it.

Only differences

ALenovo Legion 5i (15", Gen 11) 15IAX11

BMSI Stealth 16 AI+ B3WI-005US

General

5 of 9 differ

Series

Legion 54Maker product pagelenovo.com/hk/en/p/laptops/legion-laptops/legion-series/legion-5i-gen-11-15-inch-intel-laptop/len101g0053Read 5 October 2026Maker marketed Legion 5i Gen 11 page, reached through the launch article maker link. Page text is partially rendered in text access, exact specs use fully rendered PSREF.

Stealth 16 AI+1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026

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

83VK0029HH1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026Live exact Model Configurations table rendered in browser. Hong Kong 83VK0029HH factory configuration only. Retailer upgrades to 32 GB RAM or 2 TB storage are excluded.

B3WI-005US1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026Original one-page US manufacturer specification identifies B3WI-005US. Retained stock configuration is 386H, RTX 5080, 32 GB from two 16 GB modules, one 2 TB drive, QHD+ 240 Hz OLED and Windows 11 Home. The footer document-generation date is not a retail date.7Retailer pageexcaliberpc.com/830975/msi-stealth-16-ai-b3wi-005us.htmlRead 5 October 2026Current normal-readable exact stock factory B3WI-005US with 386H/5080/32 GB/2 TB/Home is in stock. Custom upgraded 64 GB/Pro rows are excluded.8Retailer pagebestbuy.com/product/msi-stealth-16-ai-16-240hz-2-5k-oled-gaming-laptop-intel-core-ultra-9-386h-geforce-rtx-5080-32gb-memory-2tb-storage-charcoal-black/J3P7TXTXQCRead 5 October 2026Exact sold model B3WI-005US, Best Buy SKU 6670611. Current stock listing confirms selected CPU/GPU/RAM/storage identity independently.

GTIN / EAN

1992764178001Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

8241424560027Retailer pageexcaliberpc.com/830975/msi-stealth-16-ai-b3wi-005us.htmlRead 5 October 2026Exact product identity row publishes UPC 824142456002.

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

Not available

5 January 202610Press releasemsi.com/news/detail/At-CES-2026--MSI-unveiled-its-all-new-Prestige-series-for-business-and-productivity--along-with-the-latest-gaming-laptops-from-the-Raider--Stealth--and-Crosshair-series--all-featuring-brand-new-designs-147562Read 5 October 2026Original maker launch dateline is January 5, 2026, while hosting page says January 6. The body explicitly announces the redesigned Stealth 16 AI+ at CES. This is announcement evidence, separately from May documented retail.

Status

Not available

Available7Retailer pageexcaliberpc.com/830975/msi-stealth-16-ai-b3wi-005us.htmlRead 5 October 20268Retailer pagebestbuy.com/product/msi-stealth-16-ai-16-240hz-2-5k-oled-gaming-laptop-intel-core-ultra-9-386h-geforce-rtx-5080-32gb-memory-2tb-storage-charcoal-black/J3P7TXTXQCRead 5 October 2026

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

Lenovo Legion 5i (15", Gen 10) 15IRX106Reviewnotebookcheck.com/Lenovo-Legion-5-launcht-mit-Nvidia-GeForce-RTX-5070-12GB-und-165Hz-OLED.1338245.0.htmlRead 23 October 2026Notebookcheck's news article calls the Legion 5 15IAX11 the successor of the older Legion 5 15IRX10.7Reviewnotebookcheck.net/Lenovo-Legion-5-15IAX11-review-Optimized-for-1440p-gaming.1380978.0.htmlRead 23 October 2026Notebookcheck's review compares the Legion 5 15IAX11 with last year's Legion 5 15IRX10.

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.

HK1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

US1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 20267Retailer pageexcaliberpc.com/830975/msi-stealth-16-ai-b3wi-005us.htmlRead 5 October 20268Retailer pagebestbuy.com/product/msi-stealth-16-ai-16-240hz-2-5k-oled-gaming-laptop-intel-core-ultra-9-386h-geforce-rtx-5080-32gb-memory-2tb-storage-charcoal-black/J3P7TXTXQCRead 5 October 2026

ColoursiThe maker's own colour names

Eclipse Black1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

Charcoal Black1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026

Segment

Gaming4Maker product pagelenovo.com/hk/en/p/laptops/legion-laptops/legion-series/legion-5i-gen-11-15-inch-intel-laptop/len101g0053Read 5 October 2026Producer title identifies an AI-accelerated gaming laptop.

Gaming3Maker product pageus.msi.com/Laptop/Stealth-16-AI-Plus-B3WXRead 5 October 2026

Form factor

Clamshell3Owner's manualgzhls.at/blob/ldb/3/5/9/1/15a8186490d45cc41e5a295ea9f59000445b.pdfRead 5 October 2026Front/base/side views on pages 1-10 show a standard hinged clamshell.

Clamshell2Owner's manualdownload-2.msi.com/archive/mnu_exe/nb/MS-2631_MS-2632_v1.0_English.pdfRead 5 October 2026

Chassis

4 of 6 differ

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

Width344Depth244.5Thickness (min)18.95Thickness (max)19.95mm(13.5 × 9.6 × 0.7 to 0.8 in)1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026Exact Dimensions row: 344 x 244.5 x 18.95-19.95 mm. Platform page 5 footnote excludes the bump from height. The size is the published closed chassis profile, not an independently measured maximum including the bump.

Width354Depth246Thickness (min)16.65Thickness (max)19.99mm(13.9 × 9.7 × 0.7 to 0.8 in)2Owner's manualdownload-2.msi.com/archive/mnu_exe/nb/MS-2631_MS-2632_v1.0_English.pdfRead 5 October 2026Printed page 2-15 gives 354 x 246 x 16.65–19.99 mm. These precise metric endpoints corroborate the rounded exact US sheet inch dimensions. Stored minimum and maximum describe body thickness.

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

1.93kg(4.3 lb)1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026Starting at 1.93 kg. Approximate laboratory claim, not exact retail-unit measured weight.

1.99kg(4.4 lb)2Owner's manualdownload-2.msi.com/archive/mnu_exe/nb/MS-2631_MS-2632_v1.0_English.pdfRead 5 October 2026Printed page 2-15 publishes 1.99 kg. Exact US sheet 4.39 lb is rounded corroboration. This is maker laptop mass, not a reviewer measurement or charger mass.

Lid material

Aluminium1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

Aluminium3Maker product pageus.msi.com/Laptop/Stealth-16-AI-Plus-B3WXRead 5 October 2026All-Aluminum Alloy Chassis explicitly applies to the complete B3W chassis, including the lid.

Bottom material

Plastic1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

Aluminium3Maker product pageus.msi.com/Laptop/Stealth-16-AI-Plus-B3WXRead 5 October 2026Same complete all-aluminum alloy chassis claim supports the bottom.

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.

Yes1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026MIL-STD-810H military test passed. No claim to every procedure.

Not available

Display

12 of 25 differ

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

15.3in(38.9 cm)1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

16in(40.6 cm)1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026

Native resolution

2560 × 1600px1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

2560 × 1600px1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026

Pixel density

197.3ppi=CalculatedFrom Screen size and Native resolution

188.7ppi=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 pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

OLED1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026

Backlight

None (self-emissive)2Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX11/Legion_5_15IAX11_Spec.pdfRead 5 October 2026Page 4 OLED is self-emissive, without a separate backlight.

Not available

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.

Glossy1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

Not available

Touchscreen

No1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

No8Retailer pagebestbuy.com/product/msi-stealth-16-ai-16-240hz-2-5k-oled-gaming-laptop-intel-core-ultra-9-386h-geforce-rtx-5080-32gb-memory-2tb-storage-charcoal-black/J3P7TXTXQCRead 5 October 2026Exact Highlights specification explicitly says Touch Screen: No. No pen-support absence is inferred from that field.

Stylus

None1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

Not available

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.

ALenovo Legion 5i (15", Gen 11) 15IAX11

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

Source1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

BMSI Stealth 16 AI+ B3WI-005US

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

Source1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026Native 2560 x 1600 OLED panel operating at 240 Hz. HDMI external-output timing is not a built-in display mode. No adaptive refresh protocol is stated.

Max refresh rate

165Hz=CalculatedFrom Refresh rate modes

240Hz=CalculatedFrom Refresh rate modes

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

G-SYNC1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

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.

500nits1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026Exact 500 nits typical. Platform panel table explicitly identifies SDR typical.

Not available

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.

1,000nits2Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX11/Legion_5_15IAX11_Spec.pdfRead 5 October 2026Page 4 HDR peak 1000 nits, SDR typical 500 nits. Window size and duration unstated. This corrects the press launch article 1100-nit claim.

Not available

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

Not available

Not available

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

100%1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026Exact Display row: 100% DCI-P3. Measurement method unstated.

100%1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026Literal 100% DCI-P3 (Typical) maker gamut claim. Coverage-versus-volume method is not specified.

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 10001Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

DisplayHDR True Black 6001Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026

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

Yes1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026Exact Color Calibration row: X-Rite Factory Color Calibration.

Not available

Second display

Not available

Not available

Processor

9 of 14 differ

Processor

Intel Core Ultra 7 251HX1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

Intel Core Ultra 9 386H1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026

Processor brand

Intel1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

Intel1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 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.

ALenovo Legion 5i (15", Gen 11) 15IAX11

Core type	Count	Base clock (GHz)	Max clock (GHz)
Performance	6	2.9	5.1
Efficiency	12	2.5	4.5

Source2Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX11/Legion_5_15IAX11_Spec.pdfRead 5 October 2026Page 2 exact 251HX row: six P cores and twelve E cores, separately stated base and max clocks.

BMSI Stealth 16 AI+ B3WI-005US

Core type	Count	Base clock (GHz)	Max clock (GHz)
Performance	4	2.1	4.9
Efficiency	8	1.6	3.7
Low-power efficiency	4	1.6	3.5

Source6Maker product pageintel.com/content/www/us/en/products/sku/245529/intel-core-ultra-9-processor-386h-18m-cache-up-to-4-90-ghz/specifications.htmlRead 5 October 2026Intel exact 386H has four P cores at 2.1–4.9 GHz, eight E cores at 1.6–3.7 GHz and four LP E cores at 1.6–3.5 GHz, with 16 threads. Retail overview typo claiming eight LP E cores is excluded.

CPU cores

18=CalculatedFrom Core configuration

16=CalculatedFrom Core configuration

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

6=CalculatedFrom Core configuration

4=CalculatedFrom Core configuration

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

12=CalculatedFrom Core configuration

12=CalculatedFrom Core configuration

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

181Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

161Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 20266Maker product pageintel.com/content/www/us/en/products/sku/245529/intel-core-ultra-9-processor-386h-18m-cache-up-to-4-90-ghz/specifications.htmlRead 5 October 2026

Max boost clock

5.1GHz=CalculatedFrom Core configuration

4.9GHz=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.

30MB1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

18MB6Maker product pageintel.com/content/www/us/en/products/sku/245529/intel-core-ultra-9-processor-386h-18m-cache-up-to-4-90-ghz/specifications.htmlRead 5 October 202618 MB Intel Smart Cache, the last-level L3 cache. Generic 25 W base and 80 W turbo powers are not configured laptop limits.

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.

Not available

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

175W3Maker product pageus.msi.com/Laptop/Stealth-16-AI-Plus-B3WXRead 5 October 2026Up to 175 W TOTAL POWER specifically for 386H with RTX 5080 16 GB in Apex mode on AC. Separate maker Stealth-series article explicitly defines this as combined CPU and GPU power.4Maker product pagefr.msi.com/blog/looking-for-a%20-thin-and-powerful-laptop-for-work-study-and-creativity-meet-the-msi-mtealth-seriesRead 5 October 2026Current original French-language manufacturer Stealth-series article explicitly defines up to 175 W as combined CPU plus GPU power under APEX mode in both Stealth 16 AI+ paragraph and bullet list. Current exact US maker overview binds that budget to 386H/RTX 5080, avoiding whole-system or adapter confusion. This replaces the region rendering that did not consistently expose the budget paragraph.

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

13TOPS1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

50TOPS1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026Up to 50 NPU-only TOPS, excluding the separate 1334 GPU AI TOPS.6Maker product pageintel.com/content/www/us/en/products/sku/245529/intel-core-ultra-9-processor-386h-18m-cache-up-to-4-90-ghz/specifications.htmlRead 5 October 2026Intel NPU-only peak INT8 performance is 50 TOPS.

Graphics

5 of 9 differ

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

Yes1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

Yes1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026

GPU

NVIDIA GeForce RTX 5070 Laptop GPU1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

NVIDIA GeForce RTX 5080 Laptop GPU1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026

GPU brand

NVIDIA1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

NVIDIA1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026

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

12GB1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026Exact Graphics row specifies RTX 5070 12 GB GDDR7, distinct from older 8 GB RTX 5070 and RTX 5070 Ti configurations.

16GB1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026

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

115W1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026Exact Graphics row: 115 W TGP. Dynamic Boost portion is unstated and omitted.

125W1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026Exact RTX 5080 maximum graphics power is 125 W including Dynamic Boost. The sheet says values may vary by scenario. No separate Dynamic Boost allocation is given.

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

Not available

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

2,347MHz1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

1,995MHz1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026Exact configured boost is up to 1995 MHz, with the same scenario qualification. The stray x after MHz in the sheet is not another unit.

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

Advanced Optimus2Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX11/Legion_5_15IAX11_Spec.pdfRead 5 October 2026Page 4 only 2560 x 1600 165 Hz OLED row explicitly lists Advanced Optimus.

Optimus2Owner's manualdownload-2.msi.com/archive/mnu_exe/nb/MS-2631_MS-2632_v1.0_English.pdfRead 5 October 2026Printed page 2-16 explicitly states NVIDIA discrete graphics with NVIDIA Optimus supported. No Advanced Optimus or hardware MUX is inferred.

Integrated GPU

Intel Graphics2Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX11/Legion_5_15IAX11_Spec.pdfRead 5 October 2026Page 2 251HX Processor Graphics: Intel Graphics.

Intel Graphics6Maker product pageintel.com/content/www/us/en/products/sku/245529/intel-core-ultra-9-processor-386h-18m-cache-up-to-4-90-ghz/specifications.htmlRead 5 October 2026Exact 386H uses Intel Graphics. Arc B390 from the different Core Ultra X7/X9 processors is not inherited. Intel 18A is a process brand, not a numerical nanometre value.

Memory

5 of 9 differ

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

16GB1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

32GB1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 20267Retailer pageexcaliberpc.com/830975/msi-stealth-16-ai-b3wi-005us.htmlRead 5 October 2026

RAM type

DDR51Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

DDR51Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026

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 pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

Not available

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.

Not available

Not available

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

Slots1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

Slots1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 20262Owner's manualdownload-2.msi.com/archive/mnu_exe/nb/MS-2631_MS-2632_v1.0_English.pdfRead 5 October 2026

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

ALenovo Legion 5i (15", Gen 11) 15IAX11

Slot	Count	Occupied	Module size (GB)
SO-DIMM	1	Yes	16
SO-DIMM	1	No	Not available

Source1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026Exact single 16 GB SODIMM and two physical sockets. Second socket empty. Dual-channel capable does not establish active channels for this single-module configuration.

BMSI Stealth 16 AI+ B3WI-005US

Count	Occupied	Module size (GB)
2	Yes	16

Source1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026Two installed 16 GB DDR5 modules and two physical sockets. The family manual lists ordinary SO-DIMM and optional clocked CSO-DIMM alternatives. Exact installed socket type is not established, so slot_type is omitted. Maximum 128 GB is supported, but configured transfer rate and active channel count remain unknown.2Owner's manualdownload-2.msi.com/archive/mnu_exe/nb/MS-2631_MS-2632_v1.0_English.pdfRead 5 October 2026Printed page 2-15 lists two SO-DIMM sockets and optional two CSO-DIMM sockets. Both alternatives have two physical sockets, but exact 005US socket classification is not proven.7Retailer pageexcaliberpc.com/830975/msi-stealth-16-ai-b3wi-005us.htmlRead 5 October 2026Standard memory is explicitly two 16 GB modules. Its Number of SODIMMS label does not resolve ordinary versus clocked sockets against the original manual optional CSO-DIMM alternative. Retail 7200MHz wording is not treated as a measured DRAM clock or independently confirmed configured transfer rate.

RAM slots

2=CalculatedFrom Memory slots

2=CalculatedFrom Memory slots

Free RAM slots

1=CalculatedFrom Memory slots

0=CalculatedFrom Memory slots

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

32GB1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026Up to 32 GB DDR5-5600 offering based on current Lenovo tested offerings.

128GB1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026

Storage

3 of 7 differ

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

1TB1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026Exact installed 1 TB converted to decimal 1000 GB.

2TB1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 20267Retailer pageexcaliberpc.com/830975/msi-stealth-16-ai-b3wi-005us.htmlRead 5 October 2026

Storage type

NVMe SSD1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

NVMe SSD1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026

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

41Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026Installed SSD row says PCIe 4.0 x4, distinct from PCIe 5.0 slot capability.

41Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026

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

ALenovo Legion 5i (15", Gen 11) 15IAX11

Form factor	Interface	PCIe generation	PCIe lanes	Count	Occupied
M.2 2242	PCIe NVMe	5	4	1	Yes
M.2 2280	PCIe NVMe	4	4	1	No

Source1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026One 2242 PCIe 5.0 x4 socket occupied by documented 2242 SSD, one 2280 PCIe 4.0 x4 socket empty. No extra connector is created by alternate drive lengths.

BMSI Stealth 16 AI+ B3WI-005US

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

Source1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026Exact SKU has two NVMe PCIe Gen4 connectors and one installed 2 TB Gen4 SSD. One connector is occupied and one free. Original manual supplies the common M.2 2280 form factor. PCIe Gen4 here is physical slot capability, separately from installed storage_pcie_gen.2Owner's manualdownload-2.msi.com/archive/mnu_exe/nb/MS-2631_MS-2632_v1.0_English.pdfRead 5 October 2026Printed page 2-16 explicitly specifies two M.2 2280 NVMe PCIe SSD slots. The bottom exterior SSD access label is not an exhaustive slot count. Exact US sheet independently specifies both connectors as Gen4 and one installed drive.

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

5=CalculatedFrom Storage slots

4=CalculatedFrom Storage slots

Ports

3 of 7 differ

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

ALenovo Legion 5i (15", Gen 11) 15IAX11

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 10Gbps / DisplayPort 2.1	1	Left	10	Not available	Yes	140	15
USB-C	Thunderbolt 4 / USB4 / DisplayPort 2.1	1	Left	40	Thunderbolt 4	Yes	140	15
Ethernet (RJ45)	Not available	1	Left	1	Not available	Not available	Not available	Not available
USB-A	USB 5Gbps	1	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
USB-A	USB 5Gbps	1	Rear	5	Not available	Not available	Not available	4.5
USB-A	Not available	1	Rear	Not available	Not available	Not available	Not available	10
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 product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026Exact port table establishes quantities, outputs and protocols. Rear Always On USB-A data rate is omitted because exact PSREF says 5 Gbps while January user guide specifically claims 10 Gbps for 15IAX11 rear Always On.2Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX11/Legion_5_15IAX11_Spec.pdfRead 5 October 2026Pages 5-6 footnotes [2]/[3] confirm both USB-C ports accept Lenovo proprietary 140 W (20 V x 7 A) with unique Lenovo adapter. Standard USB PD remains 65-100 W. Supplied main adapter is 245 W Slim Tip.3Owner's manualgzhls.at/blob/ldb/3/5/9/1/15a8186490d45cc41e5a295ea9f59000445b.pdfRead 5 October 2026Printed pages 5/7/8 place USB-C pair and RJ45 left, USB-A and audio right, two USB-A/HDMI/Slim Tip rear. Page 13 confirms both USB-C maximum 140 W proprietary, standard PD 100 W, output 5 V x 3 A. Rear Always On 5/10 Gbps contradiction is intentionally left unknown.

BMSI Stealth 16 AI+ B3WI-005US

Type	Version	Count	Side	Maximum data rate (Gbps)	Thunderbolt or USB4	DP Alt Mode	Maximum charging input (W)	Maximum peripheral power (W)
USB-A	3.2 Gen 2	1	Left	10	Not available	Not available	Not available	Not available
USB-A	3.2 Gen 2	1	Right	10	Not available	Not available	Not available	Not available
USB-C	Not available	2	Left	40	Thunderbolt 4	Yes	100	15
HDMI	HDMI 2.1	1	Right	Not available	Not available	Not available	Not available	Not available
Ethernet (RJ45)	Not available	1	Right	2.5	Not available	Not available	Not available	Not available
3.5 mm audio	Not available	1	Right	Not available	Not available	Not available	Not available	Not available
DC in	Not available	1	Left	Not available	Not available	Not available	Not available	Not available

Source1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026Exact quantities and protocols corroborate the original manual. Each Thunderbolt connector is counted once. Two USB-A, two USB-C, one HDMI, one RJ45, one audio combo and one main DC-in connector are represented.2Owner's manualdownload-2.msi.com/archive/mnu_exe/nb/MS-2631_MS-2632_v1.0_English.pdfRead 5 October 2026Full right-side figure on printed 2-6 and left-side figure on 2-7, with continuation 2-8, were rendered and inspected. One USB-A is on each side. Both Thunderbolt USB-C connectors are left. Audio, HDMI and RJ45 are right. Main power input and Kensington are left. Front and rear diagrams are blank. Each USB-C accepts up to 100 W and supplies maximum 5 V/3 A, 15 W, to a peripheral. Running input is specified for 90–100 W adapters. Optional 45 W charging is limited to off states. No simultaneous peripheral power budget is stated.3Maker product pageus.msi.com/Laptop/Stealth-16-AI-Plus-B3WXRead 5 October 2026PD Charging footnote explicitly supports 100 W at 20 V/5 A in running and modern-standby states, and 45–100 W in hibernate or off states. Performance may be limited to match input current. The 240 W main adapter is separate.

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

2.5Gbps=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.

140W=CalculatedFrom Ports

100W=CalculatedFrom Ports

Wireless

3 of 5 differ

Wi-Fi

Wi-Fi 71Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

Wi-Fi 71Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026

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

Not available

Not available

Wi-Fi module

Not available

Intel Wi-Fi 7 BE2131Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026

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.

5.41Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026Exact hardware design 5.4, effective version can depend on OS/driver.

6.01Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026

Cellular

No1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

Not available

Keyboard and touchpad

5 of 8 differ

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

English1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

Not available

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 pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

RGB zones1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026

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

Yes2Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX11/Legion_5_15IAX11_Spec.pdfRead 5 October 2026Page 5 keyboard explicitly lists numeric keypad.

No2Owner's manualdownload-2.msi.com/archive/mnu_exe/nb/MS-2631_MS-2632_v1.0_English.pdfRead 5 October 2026Complete top-open keyboard figure, printed 2-3, shows no dedicated numeric keypad. Exact sheet states 80 keys.

Key traveliPhysical key travel distance, not actuation distance.

1.6mm2Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX11/Legion_5_15IAX11_Spec.pdfRead 5 October 2026Page 5 keyboard: key travel 1.6 mm.

Not available

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

Not available

No2Owner's manualdownload-2.msi.com/archive/mnu_exe/nb/MS-2631_MS-2632_v1.0_English.pdfRead 5 October 2026Complete top-open keyboard figure and descriptions show a touchpad and no dedicated pointing stick.

Touchpad size

Width120Height75mm(4.7 × 3 in)1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

Not available

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

Not available

Not available

Camera and audio

7 of 7 differ

Webcam

5.0MP1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

1080p at 30 fps1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026

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

Not available

Yes2Owner's manualdownload-2.msi.com/archive/mnu_exe/nb/MS-2631_MS-2632_v1.0_English.pdfRead 5 October 2026Printed page 2-4 identifies optional IR camera with infrared facial recognition. Exact 005US sheet confirms the IR FHD camera is installed, and current maker overview explicitly confirms facial login.3Maker product pageus.msi.com/Laptop/Stealth-16-AI-Plus-B3WXRead 5 October 2026Dedicated IR FHD Webcam section explicitly states facial-recognition login and physical webcam shutter.

Webcam privacy

Electronic kill switch3Owner's manualgzhls.at/blob/ldb/3/5/9/1/15a8186490d45cc41e5a295ea9f59000445b.pdfRead 5 October 2026Printed page 7 camera switch enables or disables built-in camera. Electronic kill switch, not a physical lens cover.

Physical shutter1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026

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.

21Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

41Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026Two 2 W speaker drivers plus two 2 W woofers, four physical drivers and 8 W summed published rating. RMS versus peak classification is not stated. Retail prose about two pairs of woofers does not override this exact maker table.

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

4W1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

8W1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026

Audio features

Audio by HARMAN, Nahimic Audio1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

Hi-Res Audio Ready, Nahimic 31Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026

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

21Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

Not available

Battery and power

2 of 5 differ

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

80Wh1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

90Wh1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 20263Maker product pageus.msi.com/Laptop/Stealth-16-AI-Plus-B3WXRead 5 October 2026Exact sheet supplies the selected 90 Wh capacity. The current 12-hour video claim is tested on a stated 356H/5090/16 GB/1 TB configuration, different from this selected model, and is not stored.

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.

Not available

Not available

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.

245W1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

240W1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026Exact main AC adapter rating is 240 W. This is separate from USB-C charging input and does not establish maximum accepted main DC power.

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.

Proprietary1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

Proprietary2Owner's manualdownload-2.msi.com/archive/mnu_exe/nb/MS-2631_MS-2632_v1.0_English.pdfRead 5 October 2026Left-side main power connector figure is the rectangular proprietary MSI DC connector, separate from USB-C. No barrel plug is assigned.

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.

Not available

25Maker product pagestorage-asset.msi.com/global/picture/image/feature/nb/2026-intel/stealth-16-ai-plus/cooler/cooler-pd.pngRead 5 October 2026Complete original current maker Cooler Boost with Intra Flow hardware image independently viewed. It shows two physical internal fan impellers. Three exhaust paths are not three fans. Phase-change compound is stated for CPU/GPU, but unsupported vapor-chamber and liquid-metal absence values are omitted.

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.

ALenovo Legion 5i (15", Gen 11) 15IAX11

Not available

BMSI Stealth 16 AI+ B3WI-005US

Name
Apex

Source3Maker product pageus.msi.com/Laptop/Stealth-16-AI-Plus-B3WXRead 5 October 2026Apex mode in MSI Center with AC power is named directly. The maker total-power statement is for 386H with RTX 5080 16 GB. It is not assigned separately to either CPU or GPU.4Maker product pagefr.msi.com/blog/looking-for-a%20-thin-and-powerful-laptop-for-work-study-and-creativity-meet-the-msi-mtealth-seriesRead 5 October 2026

Security

2 of 4 differ

Fingerprint

None1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

Power button2Owner's manualdownload-2.msi.com/archive/mnu_exe/nb/MS-2631_MS-2632_v1.0_English.pdfRead 5 October 2026Printed page 2-4 places the fingerprint sensor in the power key. Exact SKU sheet confirms one fingerprint sensor, resolving optional family wording.

TPM

2.01Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

2.01Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026Exact SKU explicitly has firmware TPM 2.0. The family manual optional TPM wording is not the sole proof.

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.

Not available

Yes1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026

Software

0 of 3 differ

Operating system

Windows 11 Home1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

Windows 11 Home1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 20267Retailer pageexcaliberpc.com/830975/msi-stealth-16-ai-b3wi-005us.htmlRead 5 October 2026

OS family

Windows1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

Windows1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 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

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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.

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

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Video runtimeiMeasured by a reviewer, not claimed by the maker

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

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

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

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

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

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

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

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Certifications

3 of 6 differ

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

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

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Yes3Maker product pageus.msi.com/Laptop/Stealth-16-AI-Plus-B3WXRead 5 October 2026Current product introduction, dedicated Now Even Smarter section and FAQ explicitly identify Stealth 16 AI+ as Copilot+ PC. A Copilot key alone is not proof.

Colour certifications

Pantone Validated, Pantone SkinTone Validated1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

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ENERGY STAR

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EPEAT

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Other certifications

ErP Lot 6/26, RoHS compliant, TÜV Rheinland Flicker Free, TÜV Rheinland High Gaming Performance, TÜV Rheinland Low Blue Light (Hardware Solution)1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

SGS Eye Care1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026SGS Eye Care Display is explicit for the selected OLED. No numeric blue-light result, panel surface or native colour depth is inferred.

In the box

1 of 2 differ

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

245 W Slim Tip power adapter (3-pin)1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026Only exact selected main power adapter retained. Bundled Accessories row says None. Retailer mouse/bag gifts are excluded.

240 W AC adapter, AC power cord, Quick Start Guide2Owner's manualdownload-2.msi.com/archive/mnu_exe/nb/MS-2631_MS-2632_v1.0_English.pdfRead 5 October 2026Printed page 2-2 Unpacking explicitly includes AC adapter, AC power cord and Quick Start Guide. Exact sheet establishes the supplied adapter rating as 240 W. Optional carry bag is omitted.

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

Yes1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026Exact configured SKU Power Adapter row selects 245 W Slim Tip 3-pin, distinct from family No power adapter option.

Yes2Owner's manualdownload-2.msi.com/archive/mnu_exe/nb/MS-2631_MS-2632_v1.0_English.pdfRead 5 October 2026

Warranty

1 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.

1year1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026Exact Hong Kong base warranty: one year courier or carry-in. Included 3Y Legion Ultimate Support -IPMAIN (ESS) is separate, not added to base period.

1year1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026One-year limited manufacturer warranty for the exact US SKU.7Retailer pageexcaliberpc.com/830975/msi-stealth-16-ai-b3wi-005us.htmlRead 5 October 2026One-year USA manufacturer limited warranty, with one-year global service qualification. No extra service duration is inferred.

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

Collect and return, Carry-in1Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026Exact base service is courier or carry-in, with named bundled Legion Ultimate Support noted separately.

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Links

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Product page

psref.lenovo.com/Detail/Legion_5_15IAX111Maker product pagepsref.lenovo.com/Detail/Legion_5_15IAX11Read 5 October 2026

us.msi.com/Laptop/Stealth-16-AI-Plus-B3WX3Maker product pageus.msi.com/Laptop/Stealth-16-AI-Plus-B3WXRead 5 October 2026

Spec sheet

psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX11/Legion_5_15IAX11_Spec.pdf2Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Legion/Legion_5_15IAX11/Legion_5_15IAX11_Spec.pdfRead 5 October 2026

storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdf1Maker spec sheet (PDF)storage-asset.msi.com/specSheet/us/nb/Stealth%2016%20AI%2B%20B3WI-005US.pdfRead 5 October 2026

Manual

support.lenovo.com/docs/legion_5_153Owner's manualgzhls.at/blob/ldb/3/5/9/1/15a8186490d45cc41e5a295ea9f59000445b.pdfRead 5 October 2026Original Lenovo January 2026 user guide read in full. Scope table names Legion 5 15IAX11 and machine type 83VK. Other AGP/AHP/IPH variants are not used for configuration facts.

download-2.msi.com/archive/mnu_exe/nb/MS-2631_MS-2632_v1.0_English.pdf2Owner's manualdownload-2.msi.com/archive/mnu_exe/nb/MS-2631_MS-2632_v1.0_English.pdfRead 5 October 2026Original 68-page English MS-2631/MS-2632 User Manual, version 1.0, December 2025. This matches the new B3W chassis and its left-side double Thunderbolt arrangement. Older MS-16W1 manuals with DDR4 or rear connectors are excluded.

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.

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