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Apple MacBook Pro 14-inch (M5 Max, 2026) vs Dell 14 Premium DA14250 Core Ultra 7 255H OLED

A

Product A: Apple

MacBook Pro 14-inch (M5 Max, 2026)

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B

Product B: Dell

14 Premium DA14250 Core Ultra 7 255H OLED

124 of 179 known

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Every value links to where we found it.

Only differences

AApple MacBook Pro 14-inch (M5 Max, 2026)

BDell 14 Premium DA14250 Core Ultra 7 255H OLED

General

6 of 9 differ

Series

MacBook Pro1Press releaseapple.com/newsroom/2026/03/apple-introduces-macbook-pro-with-all-new-m5-pro-and-m5-maxRead 5 October 2026

Dell Premium4Maker spec sheet (PDF)assets.grandandtoy.com/assets/Manufacturer-Brochure/10/87/1087298242.pdfRead 7 October 2026

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

MGDQ4LL/A, Mac17,7, A34278Retailer pageabt.com/Apple-MacBook-Pro-Laptop-14.2-Inch-M5-Max-Chip-18-Core-CPU-32-Core-GPU-36GB-RAM-2TB-SSD-in-Silver-MGDQ4LLA/p/240249.htmlRead 7 October 2026Exact silver US base listing explicitly states Model MGDQ4LL/A, 18-core CPU / 32-core GPU, 36 GB and 2 TB. Other identifiers use independent EveryMac/Apple identity evidence. Incorrect retailer Thunderbolt 4 bullet is overridden by maker Thunderbolt 5 specification.9Spec databaseeverymac.com/systems/apple/macbook_pro/specs/macbook-pro-m5-max-18-core-cpu-32-core-gpu-14-2026-specs.htmlRead 7 October 2026Exact 14-inch M5 Max 18 CPU/32 GPU 36 GB/2 TB entry identifies Mac17,7 and A3427. Public indexed specification read. Direct curl and page open return 403. Apple Identify Your MacBook Pro independently includes Mac17,7 among the 14-inch M5 Pro/Max family, while EveryMac resolves the Max mapping. Pro identifier Mac17,9 excluded.

DA14250, LDA14250-7667SLV-PUS1Maker product pagedell.com/support/product-details/en-us/product/dell-da14250-laptopRead 5 October 20262Retailer pagebestbuy.com/product/dell-premium-14-oled-3-2k-touch-screen-laptop-intel-core-ultra-7-255h-with-32gb-memory-1tb-ssd-platinum/6636560Read 5 October 2026Exact original US Best Buy SKU 6636560, LDA 14250-7667 SLV-PUS: 255 H, 32 GB LPDDR 5 x, 1 TB SSD, Intel Arc integrated graphics, 3.2 K OLED touch 120 Hz, Platinum and Home. Historical page says no longer available new. No current stock claim. Upgraded marketplace LDA 14250-Upgraded and RTX 4050 variants excluded.

GTIN / EAN

1959507182018Retailer pageabt.com/Apple-MacBook-Pro-Laptop-14.2-Inch-M5-Max-Chip-18-Core-CPU-32-Core-GPU-36GB-RAM-2TB-SSD-in-Silver-MGDQ4LLA/p/240249.htmlRead 7 October 2026Exact MGDQ4LL/A base SKU UPC 195950718201. Corroborated by Micro Center exact SKU listing. This is silver US reference only, not a universal color/region barcode.

88411667066710Certification listepeat.net/product-details/6878eb008595407e8111c435e7f5a308Read 7 October 2026Official registry Universal Product Codes cell 884116670667. Exact US MicroCenter model LDA14250-7667SLV-PUS product table independently UPC 884116670667, 255H/32GB/1TB/Arc/OLED/Home. UPC retained 12 digits, not guessed EAN leading zero.

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

3 March 20261Press releaseapple.com/newsroom/2026/03/apple-introduces-macbook-pro-with-all-new-m5-pro-and-m5-maxRead 5 October 2026

Not available

Status

Available8Retailer pageabt.com/Apple-MacBook-Pro-Laptop-14.2-Inch-M5-Max-Chip-18-Core-CPU-32-Core-GPU-36GB-RAM-2TB-SSD-in-Silver-MGDQ4LLA/p/240249.htmlRead 7 October 2026Exact base SKU currently offered with Add to Cart on the public retailer page. Current price and forecast shipping date are not used as launch evidence.

Not available

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

Apple MacBook Pro 14-inch (M4 Max, 2024)23Reviewtechradar.com/computing/macbooks/the-apple-macbook-pro-m5-pro-and-m5-max-are-official-heres-whats-newRead 23 October 2026TechRadar says the MacBook Pro with M5 Pro and M5 Max replaces last year's M4 versions and compares the 14-inch M5 Max with the M4 Max model.

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

Dell XPS 14 (2026) DA1426014Reviewtomsguide.com/computing/laptops/dell-xps-14-2026-reviewRead 7 October 2026Actual 2026 XPS 14 review explicitly calls Dell 14 Premium its predecessor. It distinguishes new 14.0-inch Panther Lake model from previous 14.5-inch 255H Premium. Existing same-type dell-xps-14-da14260 JSON and its exact maker page identify the 2026 model. Only model relationship retained. No successor measurements or hardware specifications transferred.

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

$3,5991Press releaseapple.com/newsroom/2026/03/apple-introduces-macbook-pro-with-all-new-m5-pro-and-m5-maxRead 5 October 2026Pricing and Availability: 14-inch M5 Max US starting MSRP $3599, excluding sales tax. Base 18-core CPU / 32-core GPU, 36 GB / 2 TB. Education and later prices excluded.

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.

€4,19910Press releaseapple.com/fr/newsroom/2026/03/apple-introduces-macbook-pro-with-all-new-m5-pro-and-m5-maxRead 7 October 2026Original March 3, 2026 French maker release, Prix et disponibilite, states 14-inch M5 Max standard starting retail price 4199 EUR. Published French consumer price including VAT. Base chip/GPU/memory/storage match the 36 GB/2 TB reference. Education 3849 EUR and 16-inch 4499 EUR excluded. This is French launch pricing, not the US SKU tax treatment or regional box contents.

Not available

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

US1Press releaseapple.com/newsroom/2026/03/apple-introduces-macbook-pro-with-all-new-m5-pro-and-m5-maxRead 5 October 2026

US2Retailer pagebestbuy.com/product/dell-premium-14-oled-3-2k-touch-screen-laptop-intel-core-ultra-7-255h-with-32gb-memory-1tb-ssd-platinum/6636560Read 5 October 2026

ColoursiThe maker's own colour names

Space Black, Silver3Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026

Platinum2Retailer pagebestbuy.com/product/dell-premium-14-oled-3-2k-touch-screen-laptop-intel-core-ultra-7-255h-with-32gb-memory-1tb-ssd-platinum/6636560Read 5 October 2026

Segment

Creator1Press releaseapple.com/newsroom/2026/03/apple-introduces-macbook-pro-with-all-new-m5-pro-and-m5-maxRead 5 October 2026Maker names professional creative workflows.

Creator4Maker spec sheet (PDF)assets.grandandtoy.com/assets/Manufacturer-Brochure/10/87/1087298242.pdfRead 7 October 2026Original model brochure opens with creating on the go and calls the OLED display A creator's canvas. Creator segment maps that explicitly stated intended use, without borrowing discrete-GPU performance.

Form factor

Clamshell4Owner's manualsupport.apple.com/zh-hans/guide/macbook-pro/apd921215d6c/2026/mac/27Read 5 October 2026Tour depicts clamshell notebook.

Clamshell3Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026Original complete laptop views identify conventional clamshell, matching retailer 2-in-1=false.

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.

Width312.6Depth221.2Thickness (max)15.5mm(12.3 × 8.7 × 0.6 in)3Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026

Width320Depth215.97Thickness (min)6.7Thickness (max)18.02mm(12.6 × 8.5 × 0.3 to 0.7 in)3Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026Table 2 p. 14: width 320 mm, depth 215.97 mm, front 6.70 mm and rear 18.02 mm. Schema permits maker front/rear points as minimum/maximum thickness. Brochure overall height 18.0 mm is rounded and not substituted.

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

1.62kg(3.6 lb)3Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026Published M5 Max weight 1.62 kg, with configuration and manufacturing variation footnote. M5 Pro weights excluded.

1.72kg(3.8 lb)3Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026Table 2 gives OLED minimum 1.72 kg and maximum 1.83 kg. Stored published OLED minimum agrees with original brochure and current exact retailer 3.79 lb. Configuration and manufacturing variability apply. This is a published minimum, not a measured exact-SKU weight.

Lid material

Aluminium3Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026Environment: aluminium enclosure.

Aluminium4Maker spec sheet (PDF)assets.grandandtoy.com/assets/Manufacturer-Brochure/10/87/1087298242.pdfRead 7 October 2026Original CNC-aluminum construction row and sustainability top-cover 75% recycled-aluminum statement support aluminum lid. Bottom material is not independently identified.

Bottom material

Aluminium3Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026Environment: aluminium enclosure.

Not available

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

17 of 25 differ

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

14.2in(36.1 cm)3Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026

14.5in(36.8 cm)2Retailer pagebestbuy.com/product/dell-premium-14-oled-3-2k-touch-screen-laptop-intel-core-ultra-7-255h-with-32gb-memory-1tb-ssd-platinum/6636560Read 5 October 2026

Native resolution

3024 × 1964px3Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026

3200 × 2000px2Retailer pagebestbuy.com/product/dell-premium-14-oled-3-2k-touch-screen-laptop-intel-core-ultra-7-255h-with-32gb-memory-1tb-ssd-platinum/6636560Read 5 October 2026

Pixel density

253.9ppi=CalculatedFrom Screen size and Native resolution

260.2ppi=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.

IPS20Spec databaselowendmac.com/2026/14-and-16-m5-macbook-pro-early-2026Read 7 October 2026Video section explicitly names the 14-inch 3024 x 1964 display TFT IPS. Only physical panel technology used. No measurement from upgraded or nano-texture configurations imported.

OLED3Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026Table 22 p. 26 selected 3.2K panel explicitly AMOLED. Its diagonal 14.50 mm and transposed active-area labels are editorial errors, excluded in favor of literal 14.5-inch panel title and exact retailer.

Backlight

Mini-LED7Reviewnotebookcheck.net/M5-Max-with-inconsistent-performance-and-throttling-issues-Apple-MacBook-Pro-14-Review.1246064.0.htmlRead 5 October 2026Matching screen-size M5 Max review identifies Mini-LED display hardware. Only common backlight technology used. Measurements of 40-core GPU / upgraded memory and storage units excluded from 32-core GPU / 36 GB / 2 TB base.

None (self-emissive)3Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026AMOLED pixel-emissive topology, not an LCD backlight.

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

Samsung 145FB028Reviewnotebookcheck.net/Dell-14-Premium-laptop-review-An-XPS-14-in-all-but-name.1086446.0.htmlRead 7 October 2026Actual 255H/32GB/1TB/Arc140T/3.2K OLED unit Display specification Samsung 145FB02. Exact display size/resolution/rate match. Sample panel identifier, supplier/manufacturing variation possible. Review OS is Windows 11 Pro, represented retail Home, reported explicitly. No XPS14 previous-generation panel measurement borrowed.

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.

Not available

Glossy8Reviewnotebookcheck.net/Dell-14-Premium-laptop-review-An-XPS-14-in-all-but-name.1086446.0.htmlRead 7 October 2026Exact current review Display specification glossy yes for Samsung 145FB02 OLED touch. Maker anti-reflective coating is not a matte substrate. Same selected panel configuration.

Touchscreen

No8Retailer pageabt.com/Apple-MacBook-Pro-Laptop-14.2-Inch-M5-Max-Chip-18-Core-CPU-32-Core-GPU-36GB-RAM-2TB-SSD-in-Silver-MGDQ4LLA/p/240249.htmlRead 7 October 2026Exact MGDQ4LL/A 18-core CPU, 32-core GPU, 36 GB, 2 TB base SKU specifications state Touch Screen: No. Maker display specification is silent. No different display option used.

Yes2Retailer pagebestbuy.com/product/dell-premium-14-oled-3-2k-touch-screen-laptop-intel-core-ultra-7-255h-with-32gb-memory-1tb-ssd-platinum/6636560Read 5 October 2026

Stylus

Not available

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.

AApple MacBook Pro 14-inch (M5 Max, 2026)

Width (px)	Height (px)	Maximum operating refresh (Hz)	VRR
3024	1964	120	Yes

Source3Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026

BDell 14 Premium DA14250 Core Ultra 7 255H OLED

Width (px)	Height (px)	Maximum operating refresh (Hz)	VRR
3200	2000	120	Yes

Source3Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026Table 22 selected 3200 x 2000 OLED explicitly 48 to 120 Hz VRR. Fixed modes and adaptive-sync certificates are not inferred.

Max refresh rate

120Hz=CalculatedFrom Refresh rate modes

120Hz=CalculatedFrom Refresh rate modes

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

ProMotion3Maker product pagesupport.apple.com/en-us/126318Read 8 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.

Not available

400nits3Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026Table 22 explicitly luminance typical 400 nits for selected OLED. No HDR peak or reviewer measurement is inferred.

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.

1,000nits3Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026Exact 14-inch 2026 Display section explicitly SDR brightness up to 1000 nits outdoors. Maker outdoor maximum, not typical SDR or HDR peak. Ambient threshold, automatic-brightness requirement and duration unreported in this source, not invented. Selected M5 Max hardware remains unchanged.

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.

1,000nits3Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026Exact 14-inch Display section explicitly 1000 nits sustained full-screen XDR brightness for HDR content. Duration not published. Separate 1600-nit HDR peak footnote applies below 25 C.

Not available

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

1,600nits3Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026Exact generation Display section 1600 nits HDR peak, footnote 3 temperatures below 25 C. Outdoor SDR maximum and sustained full-screen HDR now have separate fields. Peak duration/window unreported.

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.

Not available

100%3Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026Table 22 selected OLED explicitly 100% DCI-P3. LCD 100% sRGB is excluded.

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

Not available

DisplayHDR 5004Maker spec sheet (PDF)assets.grandandtoy.com/assets/Manufacturer-Brochure/10/87/1087298242.pdfRead 7 October 2026Original technical display row selected 14.5-inch 3.2K OLED says VESA DisplayHDR 500 literally. Stored plain 500, not True Black 500 inferred from OLED technology. Dolby Vision is separate.

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

Yes16Maker product pagesupport.apple.com/en-us/105101Read 7 October 2026Current Measure the calibration article explicitly includes MacBook Pro Liquid Retina XDR. Apple displays undergo a calibration process to align luminance, white point and gamut with industry standards out of the box. This proves calibration, not any numerical color error or gamut coverage. Original MacRumors 2021 quote independently describes all MacBook Pro Liquid Retina XDR factory calibration.

Not available

Second display

Not available

Not available

Processor

12 of 14 differ

Processor

Apple M5 Max3Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026

Intel Core Ultra 7 255H2Retailer pagebestbuy.com/product/dell-premium-14-oled-3-2k-touch-screen-laptop-intel-core-ultra-7-255h-with-32gb-memory-1tb-ssd-platinum/6636560Read 5 October 2026

Processor brand

Apple3Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026

Intel2Retailer pagebestbuy.com/product/dell-premium-14-oled-3-2k-touch-screen-laptop-intel-core-ultra-7-255h-with-32gb-memory-1tb-ssd-platinum/6636560Read 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.

AApple MacBook Pro 14-inch (M5 Max, 2026)

Core type	Count	Core
Super	6	Super
Performance	12	Performance

Source3Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026M5 Max Chip section: 18-core CPU, 6 super and 12 performance cores. No unsupported clock maxima.

BDell 14 Premium DA14250 Core Ultra 7 255H OLED

Core type	Count	Base clock (GHz)	Max clock (GHz)
Performance	6	2	5.1
Efficiency	8	1.5	4.4
Low-power efficiency	2	0.7	2.5

Source5Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 5 October 2026Exact 255H: six performance cores 2.0/5.1 GHz, eight efficiency cores 1.5/4.4 GHz and two low-power cores 0.7/2.5 GHz, 16 threads. Generic 28/115 W powers are not laptop configured limits.

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.

12=CalculatedFrom Core configuration

6=CalculatedFrom Core configuration

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

0=CalculatedFrom Core configuration

10=CalculatedFrom Core configuration

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

Not available

165Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 5 October 2026

Max boost clock

Not available

5.1GHz=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.

Not available

24MB5Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 5 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.

3nm11Press releaseapple.com/newsroom/2026/03/apple-debuts-m5-pro-and-m5-max-to-supercharge-the-most-demanding-pro-workflowsRead 7 October 2026All-New Fusion Architecture section explicitly combines two third-generation 3-nanometer dies in the M5 Pro/Max SoC. This is the published processor compute-die process. No unstated foundry or fabrication-node suffix inferred.

3nm9Spec databasenotebookcheck.net/Intel-Core-Ultra-7-255H-Processor-Benchmarks-and-Specs.944139.0.htmlRead 7 October 2026Exact Intel 255H component description explicitly CPU tile N3B (3 nm). Own Intel ARK CPU Lithography TSMC N3B corroborates. Only CPU compute tile, not 5 nm GPU, 6 nm SoC/I/O or 22 nm base packaging.15Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 7 October 2026Exact public Intel 255H processor table names CPU Lithography TSMC N3B. Numeric 3 nm compute-tile mapping is expressly stated by the exact Notebookcheck component article. GPU N5P, SoC/I/O N6 and base tile 22 nm are not mixed. Notebookcheck external ARK link redirects to an unrelated 185H and is not used, this independently found exact 255H primary page supplies corroboration.

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

43W8Reviewnotebookcheck.net/Dell-14-Premium-laptop-review-An-XPS-14-in-all-but-name.1086446.0.htmlRead 7 October 2026Review unit (255H, 32 GB, 1 TB, Arc 140T, 3.2K OLED touch at 120 Hz) matches this configuration. It ran Windows 11 Pro and retail is Home. Dell Optimizer Performance mode was set before tests. Review processor specification header explicitly PL1 / Sustained configured limit 43 W. Observed Prime95 steady 42 W is stored separately. Generic Intel 28 W base is not laptop setting.

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

64W8Reviewnotebookcheck.net/Dell-14-Premium-laptop-review-An-XPS-14-in-all-but-name.1086446.0.htmlRead 7 October 2026Review unit (255H, 32 GB, 1 TB, Arc 140T, 3.2K OLED touch at 120 Hz) matches this configuration. It ran Windows 11 Pro and retail is Home. Dell Optimizer Performance mode was set before tests. Review processor header explicitly PL2 / Short Burst configured limit 64 W. Observed startup 60 W and generic Intel 115 W are different. This limit belongs to the proved Performance-mode reference.

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.

Not available

13TOPS5Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 5 October 2026NPU-only INT8 peak 13 TOPS, excluding combined 96 TOPS.

Graphics

1 of 9 differ

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

No3Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026Only the GPU in the M5 Max SoC is installed.

No2Retailer pagebestbuy.com/product/dell-premium-14-oled-3-2k-touch-screen-laptop-intel-core-ultra-7-255h-with-32gb-memory-1tb-ssd-platinum/6636560Read 5 October 2026Exact selected SKU lists integrated Intel Arc, not optional RTX 4050. Matching maker integrated-board hardware applies.

GPU

Not available

Not available

GPU brand

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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.

Not available

Not available

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

Not available

Not available

Integrated GPU

Apple M5 Max 32-core GPU3Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026M5 Max base 32-core integrated GPU. Optional 40-core upgrade excluded.

Intel Arc 140T5Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 5 October 2026

Memory

5 of 9 differ

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

36GB3Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026M5 Max standard 36 GB unified memory. 40-core GPU memory options are excluded.

32GB2Retailer pagebestbuy.com/product/dell-premium-14-oled-3-2k-touch-screen-laptop-intel-core-ultra-7-255h-with-32gb-memory-1tb-ssd-platinum/6636560Read 5 October 2026

RAM type

LPDDR5X20Spec databaselowendmac.com/2026/14-and-16-m5-macbook-pro-early-2026Read 7 October 2026Memory section explicitly states M5 Max 36 GB LPDDR5X and that only the 36 GB model ships with 32 GPU cores. Geizhals exact 14-inch 32-GPU, 36 GB, 2 TB reference corroborates type. Tom's Hardware LPDDR5 refers to an upgraded 40-GPU, 128 GB sample. Digital Camera World family wording was excluded as unreliable and not exact base evidence. Transfer rate and clocks not inferred.21Spec databasegeizhals.at/apple-macbook-pro-14-2-mgdq4d-a-a3750387.htmlRead 7 October 2026Exact 14-inch MGDQ4D/A German silver SKU, M5 Max 18 CPU and 32 GPU cores, 36 GB and 2 TB, RAM table states 36GB LPDDR5X-9600 Onboard. Only chip memory type corroboration used. Region-specific keyboard, adapter and unrelated erroneous mass/runtime rows are not transferred to the US reference.

LPDDR5X2Retailer pagebestbuy.com/product/dell-premium-14-oled-3-2k-touch-screen-laptop-intel-core-ultra-7-255h-with-32gb-memory-1tb-ssd-platinum/6636560Read 5 October 2026

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

Not available

6,400MT/s3Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026Table 5 p. 16 explicitly integrated-board 6400 MT/s, discrete RTX 4050 board 8400 MT/s. Exact retailer incorrectly labels 6400 MHz, so maker 6400 MT/s controls.

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

23Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026Table 5 explicitly dual-channel onboard memory. Chip packages not SO-DIMM slots.

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

Not available

Soldered3Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026Table 5 integrated on system board, not upgradeable.

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

Not available

Not available

RAM slots

Not available

Not available

Free RAM slots

Not available

Not available

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

36GB12Maker product pagesupport.apple.com/en-us/126318Read 7 October 2026Exact Memory and Configure to Order tables give 36 GB for M5 Max 32-core GPU. Larger 48/64/128 GB options explicitly require changing to the 40-core GPU. Same CPU/GPU represented here therefore has 36 GB maximum. Repair-parts table independently lists only 36 GB logic boards for 32-core GPU. Purchase-time limit, not upgradeability.

64GB3Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026Table 5 supports maximum 64 GB purchase configuration. Installed 32 GB is soldered. Intel generic 128 GB maximum and retailer upgradeable 64 GB wording do not establish customer upgrades.

Storage

6 of 7 differ

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

2TB3Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026M5 Max standard 2 TB SSD equals 2000 decimal GB. No interface or PCIe generation inferred.

1TB2Retailer pagebestbuy.com/product/dell-premium-14-oled-3-2k-touch-screen-laptop-intel-core-ultra-7-255h-with-32gb-memory-1tb-ssd-platinum/6636560Read 5 October 2026Exact retailer 1000 GB/1 TB. Unqualified seller 20-hour battery maximum belongs to another configuration and is excluded.

Storage type

SSD (interface unspecified)3Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026

NVMe SSD3Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026

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

Not available

43Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026

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

AApple MacBook Pro 14-inch (M5 Max, 2026)

Not available

BDell 14 Premium DA14250 Core Ultra 7 255H OLED

Form factor	Interface	Count	Occupied
M.2 2280	PCIe NVMe	1	Yes

Source3Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026Table 7 p. 17 explicitly one SSD connector accepts M.2 2230 or M.2 2280, represented once using longest supported 2280. Table 10 p. 18 installed 1 TB Gen4x4 NVMe is documented 2230, which is not the longest connector length. Maximum connector PCIe generation is not inferred.

M.2 slots

Not available

1=CalculatedFrom Storage slots

Free storage slots

Not available

0=CalculatedFrom Storage slots

Maximum slot PCIe generation

Not available

Not available

Ports

1 of 7 differ

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

AApple MacBook Pro 14-inch (M5 Max, 2026)

Type	Version	Count	Side	Maximum data rate (Gbps)	Thunderbolt or USB4	DP Alt Mode
MagSafe	MagSafe 3	1	Left	Not available	Not available	Not available
USB-C	Thunderbolt 5	2	Left	80	Thunderbolt 5	Yes
3.5 mm audio	Not available	1	Left	Not available	Not available	Not available
USB-C	Thunderbolt 5	1	Right	80	Thunderbolt 5	Yes
HDMI	Not available	1	Right	Not available	Not available	Not available
SD card	SDXC	1	Right	Not available	Not available	Not available

Source3Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026Exact generation maker sheet supplies connector counts, Thunderbolt 5 and DisplayPort support, with physical sides from the original tour. Intel supplies 80 Gbps symmetric TB5 rate. Apple up-to-120 Gbps display Bandwidth Boost is not stored as symmetric rate. No power-input ceiling inferred.4Owner's manualsupport.apple.com/zh-hans/guide/macbook-pro/apd921215d6c/2026/mac/27Read 5 October 2026Tour: left MagSafe 3, two USB-C and audio. Right SDXC, one USB-C and HDMI. Protocol generation uses matching tech sheet because the charging paragraph repeats Thunderbolt 4 incorrectly.22Maker product pageintel.com/content/www/us/en/newsroom/news/intel-introduces-thunderbolt-5-standard.htmlRead 8 October 2026Apple exact generation technical sheet identifies three Thunderbolt 5 connectors. Intel specification states 80 Gbps bidirectional bandwidth, separately up to 120 Gbps asymmetric Bandwidth Boost for displays. Stored 80 is protocol symmetric link rate, not measured file throughput. No charging ceiling, internal SSD speed or unsupported CPU capability transfer.

BDell 14 Premium DA14250 Core Ultra 7 255H OLED

Type	Version	Count	Side	Maximum data rate (Gbps)	Thunderbolt or USB4	DP Alt Mode
USB-C	Thunderbolt 4 / USB4 / DisplayPort 2.1	2	Left	40	Thunderbolt 4	Yes
USB-C	Thunderbolt 4 / USB4 / DisplayPort 2.1	1	Right	40	Thunderbolt 4	Yes
microSD card	microSDXC v7.1 UHS-I/UHS-II	1	Right	Not available	Not available	Not available
3.5 mm audio	Not available	1	Right	Not available	Not available	Not available

Source3Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026Complete right/left views pp. 5–6 and table 6 pp. 16–17: two TB4 left, one TB4 plus microSDXC and headset right. Each TB4 explicitly USB4, DP2.1 and 40 Gbps. PD3.1 and supplied 60 W do not establish maximum per-port charging input. USB-A or HDMI connectors are not inferred from adapter compatibility.

USB-C ports

3=CalculatedFrom Ports

3=CalculatedFrom Ports

Thunderbolt

Yes=CalculatedFrom Ports

Yes=CalculatedFrom Ports

Highest HDMI version

Not available

Not available

Card reader

Yes=CalculatedFrom Ports

Yes=CalculatedFrom Ports

Ethernet speed

Not available

Not available

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

Not available

Wireless

3 of 5 differ

Wi-Fi

Wi-Fi 73Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026

Wi-Fi 73Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026

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

2.4 GHz, 5 GHz, 6 GHz17Maker product pagesupport.apple.com/en-us/148165Read 7 October 2026Current Wi-Fi 7 support article explicitly lists MacBook Pro with M5 Pro/Max among models supporting all Wi-Fi 7 features and states 2.4 GHz, 5 GHz and 6 GHz operation. The 6 GHz band is available only where regulators permit unlicensed use. US reference scope retained. No universal regulatory-market promise.

2.4 GHz, 5 GHz, 6 GHz3Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026

Wi-Fi module

Apple N13Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026

Intel Killer Wi-Fi 7 (BE201)3Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026Table 8 p. 17 explicitly Intel Killer Wi-Fi 7 (BE201), Bluetooth 5.4 and tri-band 2.4/5/6 GHz. The 1750i suffix is not established by this original manual. OS, drivers and regional availability apply.

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.

6.03Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026Apple writes Bluetooth 6, stored as 6.0.

5.43Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026

Cellular

Not available

No11Retailer pagemicrocenter.com/support/698673/dell-14-premium-da14250-oled-145-laptop-computer-platinumRead 7 October 2026Exact Communications Connectivity cell WiFi Only. Original BestBuy exact SKU Network Connectivity None also explicitly defines cellular network usage. No SIM/WWAN feature inferred from WLAN card.

Keyboard and touchpad

6 of 8 differ

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

ANSI, ISO3Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026

QWERTY3Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026Table 12 explicitly QWERTY. Regional key legends and other layouts are not inferred.

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.

Backlit, type not stated3Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026Exact generation Keyboard and Trackpad section explicitly Backlit Magic Keyboard. Colour/type unreported, so generic backlit category.

Not available

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

Not available

No3Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026Complete top-view figure 3 p. 7 shows no dedicated physical numeric keypad.

Key traveliPhysical key travel distance, not actuation distance.

Not available

1mm4Maker spec sheet (PDF)assets.grandandtoy.com/assets/Manufacturer-Brochure/10/87/1087298242.pdfRead 7 October 2026Original brochure Inputs technical row explicitly 1.0 mm key travel for its full-size zero-lattice keyboard. Backlight color is not specified.

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

Not available

No3Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026Original p. 7 complete top-view figure 3 shows the keyboard and glass haptic touchpad with no separate stick device. Reviewed current device layout agrees. No touchpad counted as a stick.

Touchpad size

Not available

Width149Height74mm(5.9 × 2.9 in)3Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026Table 17 p. 22 explicitly 149 mm horizontal and 74 mm vertical. Haptics corroborated separately by brochure.

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

Haptic5Owner's manualsupport.apple.com/en-gb/102309Read 5 October 2026Tech sheet names Force Touch. Official support says Force Touch trackpads provide haptic feedback and lack a mechanical click when off.

Haptic4Maker spec sheet (PDF)assets.grandandtoy.com/assets/Manufacturer-Brochure/10/87/1087298242.pdfRead 7 October 2026Original inputs row explicitly seamless glass haptic touchpad.

Camera and audio

6 of 7 differ

Webcam

12 MP Center Stage, 1080p video3Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026

1920 x 1080 at 30 fps3Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026Table 16 p. 21 explicitly 1920 x 1080 at 30 fps. Separate IR 640 x 360 at 15 fps is not substituted for RGB resolution.

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

Not available

Yes3Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026Camera and fingerprint security sections identify Windows Hello-compatible IR camera.

Webcam privacy

Not available

Not available

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.

63Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026

43Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026Table 9 p. 18 explicitly four drivers, two tweeters and two woofers.

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

Not available

8W3Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026Table 9 average 2 W + 2 W tweeters and 2 W + 2 W woofers totals 8 W. Peak 10 W is not substituted.

Audio features

Spatial Audio, Dolby Atmos3Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026

Waves MaxxAudio Pro, Waves Nx 3D, Dolby Atmos, IntelliGo noise reduction3Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026Table 9 p. 18 explicitly IntelliGo noise reduction with dual digital-array microphones. Original brochure separately supports Dolby Atmos and Waves processing.4Maker spec sheet (PDF)assets.grandandtoy.com/assets/Manufacturer-Brochure/10/87/1087298242.pdfRead 7 October 2026Original multimedia technical row explicitly Waves MaxxAudio Pro, Waves Nx 3D and Dolby Atmos. Its IntelliGo High Fidelity Audio branding is not used to infer noise reduction, which the manual states explicitly.

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

33Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026

23Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026Table 9 dual digital-array microphones.

Battery and power

5 of 5 differ

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

72.4Wh3Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026Battery and Power: 72.4 Wh.

70Wh3Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026Table 21 p. 24 nominal six-cell 70 Wh agrees with original brochure. Later maker retail 69.5 Wh is not independently identified as rated/minimum and is not mixed into this original nominal claim.

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.

AApple MacBook Pro 14-inch (M5 Max, 2026)

Use case	Hours (h)
Video streaming	20
Web browsing	13

Source3Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026Maker M5 Max test matches base 18-core CPU / 32-core GPU, 36 GB / 2 TB. Wi-Fi browsing 25 sites or 1080p streaming in Safari. Display eight clicks from bottom, keyboard backlight off.

BDell 14 Premium DA14250 Core Ultra 7 255H OLED

Use case	Hours (h)
Video streaming	11

Source4Maker spec sheet (PDF)assets.grandandtoy.com/assets/Manufacturer-Brochure/10/87/1087298242.pdfRead 7 October 2026Exact configuration 3: 255H, 32 GB, 1 TB, Intel Arc and 3.2K OLED. Up to 11 hours Netflix 1080p via Windows 11 app, Dell June 2025 test, 150 nits (40%) and wireless enabled. Maker maximum claim, not reviewer measurement. Different LCD 20-hour and RTX 4050 configurations are excluded.

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.

96W3Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026US included 96 W USB-C adapter, connected to laptop by USB-C to MagSafe 3 cable. Not maximum charging input.

60W3Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026Tables 18/19 pp. 22–23 explicitly 60 W USB-C adapter for integrated graphics. 100 W discrete-GPU adapter is excluded. Recommended adapter output is separate from accepted charging-input maximum.

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.

MagSafe3Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026

USB-C3Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026

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

30min13Maker product pagesupport.apple.com/en-us/102378Read 7 October 2026Fast charge your MacBook Air or MacBook Pro claim up to 50 percent in around 30 minutes. January/February 2026 test footnote explicitly matches 14-inch M5 Max 18-core CPU / 32-core GPU, 36 GB/2 TB. Apple 96 W adapter model A2166 and USB-C to MagSafe 3 model A2363. Drained batteries. Timer starts from wake from hibernate or Apple logo at startup. Approximate claim, conditions affect result.

Not available

Cooling

2 of 4 differ

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

214Owner's manualsupport.apple.com/en-us/125807Read 7 October 2026Exact 14-inch M5 Pro/Max 2026 Fans procedure explicitly shows removal/reinstallation of both fans and permits each to be replaced individually. Exact exploded parts table 125815 names Right fan 923-14192 and Left fan 923-14193. Two physical installed fans.

27Owner's manualassets.grandandtoy.com/assets/User-Manual/10/87/1087298242.pdfRead 7 October 2026Original August 2025 A03 service manual pp. 33-35, integrated-graphics heat-sink removal/install steps explicitly identify left fan JFAN1 and right fan JFAN2. Two installed physical fans. Discrete-GPU assembly is a separate section.

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

None7Owner's manualassets.grandandtoy.com/assets/User-Manual/10/87/1087298242.pdfRead 7 October 2026Same integrated-graphics removal section explicitly refers to existing thermal grease on heat-transfer areas. Installation specifies supplied thermal grease after board or heat-sink replacement. Ordinary grease, not liquid metal. No inference about a vapor chamber.

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

AApple MacBook Pro 14-inch (M5 Max, 2026)

Name
Low Power Mode
Automatic
High Power Mode

Source15Maker product pagesupport.apple.com/en-us/101613Read 7 October 2026About Power Modes on your Mac: Low Power available for 2024-or-later MacBook Pro. High Power available for 2024-or-later Pro/Max models. Automatic is default. Modes may be selected independently on battery or power adapter. No configured wattage published, so only names stored. Observed reviewer chip power is not a configured limit.

BDell 14 Premium DA14250 Core Ultra 7 255H OLED

Name
Optimized
Performance
Cool
Quiet

Source4Maker spec sheet (PDF)assets.grandandtoy.com/assets/Manufacturer-Brochure/10/87/1087298242.pdfRead 7 October 2026Personalized performance section names four modes optimized, performance, cool and quiet in context highest performance or maximum battery life. No configured CPU/GPU watts published for these rows. Service-manual BIOS Thermal Management says Optimized is default.

Security

2 of 4 differ

Fingerprint

Power button4Owner's manualsupport.apple.com/zh-hans/guide/macbook-pro/apd921215d6c/2026/mac/27Read 5 October 2026Top view names Touch ID power button.

Power button3Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026Table 23 explicitly fingerprint reader in power button.

TPM

Not available

2.04Maker spec sheet (PDF)assets.grandandtoy.com/assets/Manufacturer-Brochure/10/87/1087298242.pdfRead 7 October 2026Original security technical row explicitly TPM 2.0. Firmware versus discrete implementation is not inferred.

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

No3Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026Table 6 explicitly security-cable slot Not supported.

Software

2 of 3 differ

Operating system

macOS Tahoe1Press releaseapple.com/newsroom/2026/03/apple-introduces-macbook-pro-with-all-new-m5-pro-and-m5-maxRead 5 October 2026Launch publication names macOS Tahoe.

Windows 11 Home2Retailer pagebestbuy.com/product/dell-premium-14-oled-3-2k-touch-screen-laptop-intel-core-ultra-7-255h-with-32gb-memory-1tb-ssd-platinum/6636560Read 5 October 2026

OS family

macOS3Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026

Windows2Retailer pagebestbuy.com/product/dell-premium-14-oled-3-2k-touch-screen-laptop-intel-core-ultra-7-255h-with-32gb-memory-1tb-ssd-platinum/6636560Read 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

9 of 12 differ

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

Not available

349.3nits12Measurementnotebookcheck.net/Dell-14-Premium-laptop-review-An-XPS-14-in-all-but-name.1086446.0.htmlRead 7 October 2026Review unit (255H, 32 GB, 1 TB, Arc 140T, 3.2K OLED touch at 120 Hz) matches this configuration. It ran Windows 11 Pro and retail is Home. Picture and power mode are not stated for display tests. Display nine-point SDR full-white grid center value and explicit Center on Battery cell: 349.3 cd/m2. X-Rite i1Pro 3 identified for brightness block. Not 356.1 maximum or 352.1 grid mean. Window duration unstated.

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

Not available

352.1nits12Measurementnotebookcheck.net/Dell-14-Premium-laptop-review-An-XPS-14-in-all-but-name.1086446.0.htmlRead 7 October 2026Review unit (255H, 32 GB, 1 TB, Arc 140T, 3.2K OLED touch at 120 Hz) matches this configuration. It ran Windows 11 Pro and retail is Home. Picture and power mode are not stated for display tests. Display full-white nine-point SDR grid Average: 352.1 cd/m2. X-Rite i1Pro 3. Grid max 356.1 and center 349.3 are separate. Not a maker typical claim. Duration unstated.

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

595nits12Measurementnotebookcheck.net/Dell-14-Premium-laptop-review-An-XPS-14-in-all-but-name.1086446.0.htmlRead 7 October 2026Review unit (255H, 32 GB, 1 TB, Arc 140T, 3.2K OLED touch at 120 Hz) matches this configuration. It ran Windows 11 Pro and retail is Home. Picture and power mode are not stated for display tests. Display body explicitly maximum brightness 595 nits when HDR enabled. HDR window/APL and sustained duration not stated. This is the observed maximum, not inferred from VESA certification or ordinary SDR.

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

Not available

100%12Measurementnotebookcheck.net/Dell-14-Premium-laptop-review-An-XPS-14-in-all-but-name.1086446.0.htmlRead 7 October 2026Review unit (255H, 32 GB, 1 TB, Arc 140T, 3.2K OLED touch at 120 Hz) matches this configuration. It ran Windows 11 Pro and retail is Home. Picture and power mode are not stated for display tests. Display gamut table 100% sRGB (Argyll 3D). Actual published gamut method retained. Display P3 99.3% is not imported into DCI-P3 field, and Adobe RGB 87.2 has no measured Adobe RGB field.

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

3.4712Measurementnotebookcheck.net/Dell-14-Premium-laptop-review-An-XPS-14-in-all-but-name.1086446.0.htmlRead 7 October 2026Review unit (255H, 32 GB, 1 TB, Arc 140T, 3.2K OLED touch at 120 Hz) matches this configuration. It ran Windows 11 Pro and retail is Home. Picture and power mode are not stated for display tests. Display table and actual full-size before-calibration ColorChecker chart average 3.47. Chart explicitly dE Formula 2000, SDR Toolkit, X-Rite i1Pro 2 and P3 caption. Before calibration, not calibrated 1.3. Picture mode unnamed. Chart instrument 2 differs from brightness block 3, both scopes retained.13Measurementnotebookcheck.net/fileadmin/_processed_/1/a/csm_calcolorpre_2cc431b5e2.pngRead 7 October 2026Review unit (255H, 32 GB, 1 TB, Arc 140T, 3.2K OLED touch at 120 Hz) matches this configuration. It ran Windows 11 Pro and retail is Home. Picture and power mode are not stated for display tests. Display table and actual full-size before-calibration ColorChecker chart average 3.47. Chart explicitly dE Formula 2000, SDR Toolkit, X-Rite i1Pro 2 and P3 caption. Before calibration, not calibrated 1.3. Picture mode unnamed. Chart instrument 2 differs from brightness block 3, both scopes retained. Actual full-size graph inspected. It shows Avg dE2000 3.47, Max dE2000 7.38, and the dE Formula 2000 selector.

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

Yes12Measurementnotebookcheck.net/Dell-14-Premium-laptop-review-An-XPS-14-in-all-but-name.1086446.0.htmlRead 7 October 2026Review unit (255H, 32 GB, 1 TB, Arc 140T, 3.2K OLED touch at 120 Hz) matches this configuration. It ran Windows 11 Pro and retail is Home. Picture and power mode are not stated for display tests. Display reviewer explicitly Screen flickering/PWM detected. Tested plots cover 0/25/50/75/100 percent brightness, but exact detection cutoff not explicitly stated. No universal frequency sensitivity guarantee.

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

Not available

475Hz12Measurementnotebookcheck.net/Dell-14-Premium-laptop-review-An-XPS-14-in-all-but-name.1086446.0.htmlRead 7 October 2026Review unit (255H, 32 GB, 1 TB, Arc 140T, 3.2K OLED touch at 120 Hz) matches this configuration. It ran Windows 11 Pro and retail is Home. Picture and power mode are not stated for display tests. Reviewer Screen flickering/PWM table 475 Hz, amplitude 23%. Frequency actually measured, not panel refresh. Detection threshold and exact waveform method not stated in text.

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

0.96ms12Measurementnotebookcheck.net/Dell-14-Premium-laptop-review-An-XPS-14-in-all-but-name.1086446.0.htmlRead 7 October 2026Review unit (255H, 32 GB, 1 TB, Arc 140T, 3.2K OLED touch at 120 Hz) matches this configuration. It ran Windows 11 Pro and retail is Home. Picture and power mode are not stated for display tests. Display black-to-white combined rise/fall 0.96 ms, with 0.45 rise and 0.51 fall. Not generic claimed 1 ms and not fastest one-direction time. Instrument for timing not stated.

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

Not available

0.72ms12Measurementnotebookcheck.net/Dell-14-Premium-laptop-review-An-XPS-14-in-all-but-name.1086446.0.htmlRead 7 October 2026Review unit (255H, 32 GB, 1 TB, Arc 140T, 3.2K OLED touch at 120 Hz) matches this configuration. It ran Windows 11 Pro and retail is Home. Picture and power mode are not stated for display tests. Display 50% grey to 80% grey combined rise/fall 0.72 ms, 0.37 rise plus 0.35 fall. Transition levels explicit. Instrument not stated.

Measured performance

5 of 8 differ

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

2,712points12Measurementnotebookcheck.net/Dell-14-Premium-laptop-review-An-XPS-14-in-all-but-name.1086446.0.htmlRead 7 October 2026Review unit (255H, 32 GB, 1 TB, Arc 140T, 3.2K OLED touch at 120 Hz) matches this configuration. It ran Windows 11 Pro and retail is Home. Dell Optimizer Performance mode was set before tests. Geekbench 6.7 Single-Core exact Dell 14 Premium / 255H row 2712 points. All required laptop profile evidence is proved. Run count/duration unstated.

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

14,719points12Measurementnotebookcheck.net/Dell-14-Premium-laptop-review-An-XPS-14-in-all-but-name.1086446.0.htmlRead 7 October 2026Review unit (255H, 32 GB, 1 TB, Arc 140T, 3.2K OLED touch at 120 Hz) matches this configuration. It ran Windows 11 Pro and retail is Home. Dell Optimizer Performance mode was set before tests. Geekbench 6.7 Multi-Core exact Dell 14 Premium / 255H row 14719 points. No other CPU or discrete-GPU score borrowed. Run count/duration unstated.

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

3,695points12Measurementnotebookcheck.net/Dell-14-Premium-laptop-review-An-XPS-14-in-all-but-name.1086446.0.htmlRead 7 October 2026Review unit (255H, 32 GB, 1 TB, Arc 140T, 3.2K OLED touch at 120 Hz) matches this configuration. It ran Windows 11 Pro and retail is Home. Dell Optimizer Performance mode was set before tests. 3DMark 2560x1440 Time Spy Graphics exact Dell 14 Premium Arc 140T / 255H row 3695 points. Graphics score, not total or CPU score. 3DMark build/run duration unstated.

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

5,910MB/s12Measurementnotebookcheck.net/Dell-14-Premium-laptop-review-An-XPS-14-in-all-but-name.1086446.0.htmlRead 7 October 2026Review unit (255H, 32 GB, 1 TB, Arc 140T, 3.2K OLED touch at 120 Hz) matches this configuration. It ran Windows 11 Pro and retail is Home. Dell Optimizer Performance mode was set before tests. Actual Kioxia BG6 KBG6AZNV1T02 1 TB drive, CrystalDiskMark 5.2/6 Read Seq Q32T1: 5910 MB/s. Sequential queue depth 32, one thread. Drive model is test-specific, not a guaranteed vendor for every retail unit. CDM 8, AS-SSD and DiskSpd results not mixed.

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

AApple MacBook Pro 14-inch (M5 Max, 2026)

Not available

BDell 14 Premium DA14250 Core Ultra 7 255H OLED

Game	Width (px)	Height (px)	Preset	Upscaling	Average FPS
Cyberpunk 2077	1920	1080	Ultra	FSR off	23.9

Source12Measurementnotebookcheck.net/Dell-14-Premium-laptop-review-An-XPS-14-in-all-but-name.1086446.0.htmlRead 7 October 2026Review unit (255H, 32 GB, 1 TB, Arc 140T, 3.2K OLED touch at 120 Hz) matches this configuration. It ran Windows 11 Pro and retail is Home. Dell Optimizer Performance mode was set before tests. Cyberpunk 2077 benchmark exact 1920x1080 Ultra Preset (FSR off), Dell 14 Premium / 255H/Arc 140T average 23.9 fps. Source minimum 20.4 and P1=19.3 are not imported without explicit percentile-method definition. Ray tracing and frame generation not stated, so corresponding boolean is omitted.

Measured noise and temperature

8 of 9 differ

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

AApple MacBook Pro 14-inch (M5 Max, 2026)

Not available

BDell 14 Premium DA14250 Core Ultra 7 255H OLED

Power mode	Load	Noise (dB(A))
Performance	Idle	24
Performance	Medium load	39
Performance	Gaming	43
Performance	Max load	44.9

Source12Measurementnotebookcheck.net/Dell-14-Premium-laptop-review-An-XPS-14-in-all-but-name.1086446.0.htmlRead 7 October 2026Review unit (255H, 32 GB, 1 TB, Arc 140T, 3.2K OLED touch at 120 Hz) matches this configuration. It ran Windows 11 Pro and retail is Home. Dell Optimizer Performance mode was set before tests. Noise table idle median 24 dBA (range 23.2-24.7), Load Average 39, Cyberpunk 2077 Ultra 43, Load Maximum 44.9. Earthworks M23R / Arta at 15 cm, ambient 23 dBA. Plot caption identifies 3DMark 06, Cyberpunk 2077 and Prime95+FurMark workloads. Durations unstated. Single rows preserve actual method and highest-mode setting.

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

Not available

44.9dB(A)=CalculatedFrom Fan noise per mode

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

Not available

43dB(A)=CalculatedFrom Fan noise per mode

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

Not available

33°C12Measurementnotebookcheck.net/Dell-14-Premium-laptop-review-An-XPS-14-in-all-but-name.1086446.0.htmlRead 7 October 2026Review unit (255H, 32 GB, 1 TB, Arc 140T, 3.2K OLED touch at 120 Hz) matches this configuration. It ran Windows 11 Pro and retail is Home. Dell Optimizer Performance mode was set before tests. Maximum load upper surface 33 C. Prime95+FurMark surface-map caption, ambient 20 C, Fluke 62 Mini IR. Exact stress duration not stated. Mean 30 C is separate.

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

Not available

33.6°C12Measurementnotebookcheck.net/Dell-14-Premium-laptop-review-An-XPS-14-in-all-but-name.1086446.0.htmlRead 7 October 2026Review unit (255H, 32 GB, 1 TB, Arc 140T, 3.2K OLED touch at 120 Hz) matches this configuration. It ran Windows 11 Pro and retail is Home. Dell Optimizer Performance mode was set before tests. Maximum load bottom surface 33.6 C, same combined Prime95+FurMark caption, ambient 20 C, Fluke 62 Mini IR. Not average 31.7 C.

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

Not available

29°C12Measurementnotebookcheck.net/Dell-14-Premium-laptop-review-An-XPS-14-in-all-but-name.1086446.0.htmlRead 7 October 2026Review unit (255H, 32 GB, 1 TB, Arc 140T, 3.2K OLED touch at 120 Hz) matches this configuration. It ran Windows 11 Pro and retail is Home. Dell Optimizer Performance mode was set before tests. Temperature paragraph explicitly palmrests and touchpad maximum 29 C. Same maximum-load surface measurement, ambient 20 C, Fluke 62 Mini IR. It is the combined palmrest/touchpad maximum, not an average.

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

Not available

85°C12Measurementnotebookcheck.net/Dell-14-Premium-laptop-review-An-XPS-14-in-all-but-name.1086446.0.htmlRead 7 October 2026Review unit (255H, 32 GB, 1 TB, Arc 140T, 3.2K OLED touch at 120 Hz) matches this configuration. It ran Windows 11 Pro and retail is Home. Dell Optimizer Performance mode was set before tests. Prime95 CPU-only steady state average 85 C after about one minute as package drops from initial 104 C. Startup peak 104 is not stored as sustained temperature. Total test duration unstated.

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

Not available

2.5GHz12Measurementnotebookcheck.net/Dell-14-Premium-laptop-review-An-XPS-14-in-all-but-name.1086446.0.htmlRead 7 October 2026Review unit (255H, 32 GB, 1 TB, Arc 140T, 3.2K OLED touch at 120 Hz) matches this configuration. It ran Windows 11 Pro and retail is Home. Dell Optimizer Performance mode was set before tests. Same Prime95 CPU-only test average clock settles 2.5 GHz after about one minute, initial 3 GHz separate. Core-subset averaging method unstated. Not nominal maker CPU base/turbo.

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

Not available

Not available

Measured battery and power

7 of 10 differ

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

AApple MacBook Pro 14-inch (M5 Max, 2026)

Not available

BDell 14 Premium DA14250 Core Ultra 7 255H OLED

Test	Hours (h)
Wi-Fi browsing	10.8

Source12Measurementnotebookcheck.net/Dell-14-Premium-laptop-review-An-XPS-14-in-all-but-name.1086446.0.htmlRead 7 October 2026Review unit (255H, 32 GB, 1 TB, Arc 140T, 3.2K OLED touch at 120 Hz) matches this configuration. It ran Windows 11 Pro and retail is Home. Dell Optimizer Performance mode was set before tests. Battery Runtime table actual WiFi Websurfing 10 h 48 min, converted 10.8 h. Browser version, brightness, battery-specific power profile and exact workload cycle not stated. General review method uses Performance, but battery-specific override unknown, so brightness/power_mode row cells omitted. Tested nominal 69.5 Wh label, maker original 70 Wh nominal retained separately. Comparison table labels the workload WiFi v1.3. Browser and battery-specific brightness/profile remain unpublished.

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

Not available

10.8h=CalculatedFrom Battery runtime per test

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

4.89W12Measurementnotebookcheck.net/Dell-14-Premium-laptop-review-An-XPS-14-in-all-but-name.1086446.0.htmlRead 7 October 2026Review unit (255H, 32 GB, 1 TB, Arc 140T, 3.2K OLED touch at 120 Hz) matches this configuration. It ran Windows 11 Pro and retail is Home. Dell Optimizer Performance mode was set before tests. Power-consumption chart actual Idle 150 cd/m2 average 4.89 W (4.51-6 range), Metrahit Energy. Explicit 150 nits, not table 6.1 median across unspecified brightness. Whole-unit measured power, measurement point not explicit.

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

Not available

50.7W12Measurementnotebookcheck.net/Dell-14-Premium-laptop-review-An-XPS-14-in-all-but-name.1086446.0.htmlRead 7 October 2026Review unit (255H, 32 GB, 1 TB, Arc 140T, 3.2K OLED touch at 120 Hz) matches this configuration. It ran Windows 11 Pro and retail is Home. Dell Optimizer Performance mode was set before tests. Power chart Cyberpunk 2077 FHD Ultra no FSR, 150 cd/m2 average 50.7 W (41.5-58 range), Metrahit Energy. Internal display 150 nits. External-monitor mean 46.5 is a different scenario and not substituted.

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

Not available

62.7W12Measurementnotebookcheck.net/Dell-14-Premium-laptop-review-An-XPS-14-in-all-but-name.1086446.0.htmlRead 7 October 2026Review unit (255H, 32 GB, 1 TB, Arc 140T, 3.2K OLED touch at 120 Hz) matches this configuration. It ran Windows 11 Pro and retail is Home. Dell Optimizer Performance mode was set before tests. Power table Load maximum 62.7 W, Metrahit Energy. Prime95 startup spike 63 W is rounded narrative. maximum 62.7 retained. Not sustained CPU 42 W or adapter rated 60 W.

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

Not available

42W12Measurementnotebookcheck.net/Dell-14-Premium-laptop-review-An-XPS-14-in-all-but-name.1086446.0.htmlRead 7 October 2026Review unit (255H, 32 GB, 1 TB, Arc 140T, 3.2K OLED touch at 120 Hz) matches this configuration. It ran Windows 11 Pro and retail is Home. Dell Optimizer Performance mode was set before tests. Prime95 CPU-only observed package power 42 W after about one minute. Initial package 60 W and header configured PL1 = 43 W are separate. This is observed runtime power, not configured limit.

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

1.714kg(3.8 lb)12Measurementnotebookcheck.net/Dell-14-Premium-laptop-review-An-XPS-14-in-all-but-name.1086446.0.htmlRead 7 October 2026Review unit (255H, 32 GB, 1 TB, Arc 140T, 3.2K OLED touch at 120 Hz) matches this configuration. It ran Windows 11 Pro and retail is Home. Dell Optimizer Performance mode was set before tests. Actual review specifications reports test-unit mass 1.714 kg and adapter 299 g separately. Only laptop 1.714 stored. Scale model and weighing method not published. Maker OLED minimum 1.72 kg stays in claimed weight field.

Certifications

2 of 6 differ

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

Not available

Yes6Press releasedell.com/ja-jp/blog/dell-14-premium-dell-16-premiumRead 7 October 2026Maker June 26, 2025 launch exact DA14250 paragraph names Intel EVO+NPU and Core Ultra 7 200H, integrated graphics with optional RTX 4050. This is maker model-level Evo claim, not generic CPU eligibility. NPU-only 13 TOPS does not establish Copilot+.

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

Not available

Not available

Colour certifications

Not available

Not available

ENERGY STAR

Yes3Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026

Yes4Maker spec sheet (PDF)assets.grandandtoy.com/assets/Manufacturer-Brochure/10/87/1087298242.pdfRead 7 October 2026Original brochure explicitly Energy Star 9.0. Country-dependent EPEAT Gold is omitted.

EPEAT

Gold18Certification listepeat.net/computers-and-displays-search-result/page-1/size-25Read 7 October 2026Official registry exact row Apple MacBook Pro 14-inch (M5 Pro, M5 Max), Notebook, United States, Gold, registered 2026-03-11, Active. Explicit family scope covers exact 14-inch M5 Max reference. Country-specific registration, not a universal rating.

Gold10Certification listepeat.net/product-details/6878eb008595407e8111c435e7f5a308Read 7 October 2026Official EPEAT registry exact Dell 14 Premium DA14250, United States, active Gold, registration 2025-10-12, UPC 884116670667. ENERGY STAR power-management/power-supply exception retained. Exact MicroCenter model LDA14250-7667SLV-PUS binds this UPC to represented hardware. No other country rating inherited.

Other certifications

Not available

TPM 2.0 FIPS 140-2 certification4Maker spec sheet (PDF)assets.grandandtoy.com/assets/Manufacturer-Brochure/10/87/1087298242.pdfRead 7 October 2026Original Security row explicitly identifies TPM 2.0 FIPS 140-2 Certified, retained as a component certification rather than whole-laptop FIPS. Adjacent TCG Certified text runs directly into Windows Hello fingerprint-reader/camera wording without a separator, so TCG component binding is ambiguous and that list item is omitted. Eyesafe technology wording is not promoted to an unproved certificate.

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.

14-inch MacBook Pro, 96W USB-C Power Adapter, USB-C to MagSafe 3 Cable (2 m)3Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026Exact US tech-sheet bundle. Other regional adapter omissions are not combined.

60 W USB-C power adapter, Power cord11Retailer pagemicrocenter.com/support/698673/dell-14-premium-da14250-oled-145-laptop-computer-platinumRead 7 October 2026Exact retailer What's in the Box cell laptop and Power Cord. Power Supply cell 60 W USB-C adapter and original maker brochure ships with battery adapter. Combined documented contents. Software trials excluded. Not an assertion that no paper documents exist. The product itself is excluded because field help counts accessories.

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

Yes3Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026

Yes4Maker spec sheet (PDF)assets.grandandtoy.com/assets/Manufacturer-Brochure/10/87/1087298242.pdfRead 7 October 2026Original brochure explicitly ships with battery adapter, and technical adapter row pairs 60 W USB-C with Intel Arc. Optional accessories are not inferred.

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.

1year6Maker product pageapple.com/legal/warranty/products/embedded-mac-warranty-us.htmlRead 5 October 2026US Mac one-year limited manufacturer warranty, 2022 to present. Statutory rights separate.

1year4Maker spec sheet (PDF)assets.grandandtoy.com/assets/Manufacturer-Brochure/10/87/1087298242.pdfRead 7 October 2026Original Warranty and Service row standard one year Dell Care Plus. Exact US retail SKU independently states one-year limited manufacturer warranty for parts and labor. Paid extensions up to four years excluded.

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

Carry-in, Mail-in19Maker product pageapple.com/legal/warranty/products/embedded-mac-warranty-us.htmlRead 7 October 2026New US Mac hardware limited warranty, Warranty Service Options: carry-in at Apple Retail/AASP and mail-in if Apple determines eligibility. Apple chooses the applicable option. DIY parts service is not represented by the schema. Paid AppleCare and statutory rights excluded.

On-site11Retailer pagemicrocenter.com/support/698673/dell-14-premium-da14250-oled-145-laptop-computer-platinumRead 7 October 2026Exact model table LDA14250-7667SLV-PUS. Parts and Labor each 1 Year Limited / Onsite. Manufacturer/vendor warranty, not retailer 15-day return. Basic US retail on-site scope preserved rather than assuming generic CarePlus features.

Links

Not compared

Product page

www.apple.com/newsroom/2026/03/apple-introduces-macbook-pro-with-all-new-m5-pro-and-m5-max1Press releaseapple.com/newsroom/2026/03/apple-introduces-macbook-pro-with-all-new-m5-pro-and-m5-maxRead 5 October 2026

www.dell.com/support/product-details/en-us/product/dell-da14250-laptop1Maker product pagedell.com/support/product-details/en-us/product/dell-da14250-laptopRead 5 October 2026Current maker support identifies XPS 14 (Dell 14 Premium) DA 14250. Normal US route redirects locale, which does not establish US sales. Former maker retail route now unavailable or redirects to home. The original model was renamed XPS 14 while keeping DA 14250, not the distinct DA 14260.

Spec sheet

support.apple.com/en-us/1263183Maker product pagesupport.apple.com/en-us/126318Read 8 October 2026

assets.grandandtoy.com/assets/Manufacturer-Brochure/10/87/1087298242.pdf4Maker spec sheet (PDF)assets.grandandtoy.com/assets/Manufacturer-Brochure/10/87/1087298242.pdfRead 7 October 2026Original Dell 22-page product brochure read from public distributor mirror.

Manual

support.apple.com/zh-hans/guide/macbook-pro/apd921215d6c/2026/mac/274Owner's manualsupport.apple.com/zh-hans/guide/macbook-pro/apd921215d6c/2026/mac/27Read 5 October 2026

assets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdf3Owner's manualassets.grandandtoy.com/assets/Additional-pdf2/10/87/1087298242.pdfRead 7 October 2026Original maker October 2025 A 05 Setup and Specifications, P 184 G 003/P 184 G 004, read from public producer-document mirror. Exact original hardware model DA 14250. A renamed later support page is not treated as DA 14260 hardware.

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.