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ASUS Zenbook S 14 (2024) UX5406SA-BH71T-CB vs Microsoft Surface Laptop 13-inch (1st Edition, 2025)

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Product A: ASUS

Zenbook S 14 (2024) UX5406SA-BH71T-CB

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B

Product B: Microsoft

Surface Laptop 13-inch (1st Edition, 2025)

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Only differences

AASUS Zenbook S 14 (2024) UX5406SA-BH71T-CB

BMicrosoft Surface Laptop 13-inch (1st Edition, 2025)

General

5 of 9 differ

Series

Zenbook4Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406Read 13 October 2026Zenbook line.

Surface Laptop5Press releaseblogs.windows.com/devices/2025/05/06/introducing-all-new-surface-copilot-pcs-the-surface-pro-12-inch-and-surface-laptop-13-inchRead 5 October 2026

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

UX5406SA-BH71T-CB1Maker product pageeshop.asus.com/ca-en/90nb14f3-m006x0-asus-zenbook-s-14-ux5406.htmlRead 13 October 2026ASUS Store Canada listing UX5406SA-BH71T-CB, part number 90NB14F3-M006X0. It ships with a French bilingual keyboard. The reviewed units had the same hardware with other layouts.

EP2-369814Retailer pagebhphotovideo.com/c/product/1889087-REG/microsoft_ep2_36981_13_surface_laptop_copilot.htmlRead 5 October 2026Exact US retail SKU EP2-36981, Platinum, Snapdragon X Plus 8-core, 16 GB LPDDR5x and 256 GB UFS.

GTIN / EAN

Not available

1963885696634Retailer pagebhphotovideo.com/c/product/1889087-REG/microsoft_ep2_36981_13_surface_laptop_copilot.htmlRead 5 October 2026Exact US EP2-36981 product listing: UPC 196388569663. Search-indexed retailer text was readable, while a direct fetch reached a JavaScript challenge.

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

Not available

6 May 20255Press releaseblogs.windows.com/devices/2025/05/06/introducing-all-new-surface-copilot-pcs-the-surface-pro-12-inch-and-surface-laptop-13-inchRead 5 October 2026

Status

Available1Maker product pageeshop.asus.com/ca-en/90nb14f3-m006x0-asus-zenbook-s-14-ux5406.htmlRead 13 October 2026Listing with Add to Cart and most orders shipping within 24 hours.

Available8Owner's manualsupport.microsoft.com/en-us/surface/models/surface-laptop-13-inch-featuresRead 7 October 2026Exact first-edition Snapdragon user guide links the device as available to purchase. Current consumer store still offers the retained 16 GB / 256 GB configuration.

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

Not available

Not available

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

ASUS Zenbook S 14 (2026) UX5406AA6Measurementultrabookreview.com/69717-asus-zenbook-s14-oled-reviewRead 13 October 2026Review links to the 2026 UX5406AA update with Panther Lake.8Reviewultrabookreview.com/74670-asus-zenbook-s14-gen2-reviewRead 23 October 2026Ultrabookreview treats the 2026 Zenbook S14 UX5406AA as the update of the previous Zenbook S14 UX5406SA generation.

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

$8995Press releaseblogs.windows.com/devices/2025/05/06/introducing-all-new-surface-copilot-pcs-the-surface-pro-12-inch-and-surface-laptop-13-inchRead 5 October 2026Maker launch announcement states starting $899, retained literal claim. Current higher store prices and retailer $899.99 wording are not launch evidence.

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.

CA2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026ASUS Canada tech spec page for the UX5406 family.

US5Press releaseblogs.windows.com/devices/2025/05/06/introducing-all-new-surface-copilot-pcs-the-surface-pro-12-inch-and-surface-laptop-13-inchRead 5 October 2026Maker US launch page names US Best Buy and Amazon distribution. Exact US retail SKU corroborates availability.

ColoursiThe maker's own colour names

Zumaia Gray1Maker product pageeshop.asus.com/ca-en/90nb14f3-m006x0-asus-zenbook-s-14-ux5406.htmlRead 13 October 2026Zumaia Gray.

Platinum4Retailer pagebhphotovideo.com/c/product/1889087-REG/microsoft_ep2_36981_13_surface_laptop_copilot.htmlRead 5 October 2026

Segment

Ultrabook4Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406Read 13 October 2026Maker calls it an ultra-slim Zenbook AI PC with a 1.19 cm slim design.

Ultrabook5Press releaseblogs.windows.com/devices/2025/05/06/introducing-all-new-surface-copilot-pcs-the-surface-pro-12-inch-and-surface-laptop-13-inchRead 5 October 2026

Form factor

Clamshell4Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406Read 13 October 2026Clamshell laptop. The reviewer notes the lid opens to about 130 degrees.

Clamshell7Maker spec sheet (PDF)msftstories.thesourcemediaassets.com/sites/726/2025/05/Surface-Laptop-13-inch-Fact-Sheet.pdfRead 10 October 2026Fact sheet cover picture shows a hinged lid over a keyboard base with one display. No convertible, detachable or dual-screen mode is described.

Chassis

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

Width310.3Depth214.7Thickness (min)11.9Thickness (max)12.9mm(12.2 × 8.5 × 0.5 in)2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 202631.03 x 21.47 x 1.19 ~ 1.29 cm.

Width285.65Depth214.14Thickness (max)15.6mm(11.2 × 8.4 × 0.6 in)2Maker product pagemicrosoft.com/en-us/d/surface-laptop-13-inch-1st-edition-certified-refurbished/8mzbmmcjznrsRead 5 October 2026Size and weight table. Maker length 285.65 mm runs across the display, stored as chassis width. Front-to-back width 214.14 mm is stored as depth. Height 15.6 mm.

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

1.2kg(2.6 lb)2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 20261.20 kg (2.65 lbs).

1.22kg(2.7 lb)2Maker product pagemicrosoft.com/en-us/d/surface-laptop-13-inch-1st-edition-certified-refurbished/8mzbmmcjznrsRead 5 October 2026Maker published laptop mass 1.22 kg. Manufacturing variation qualified by maker.

Lid material

Other4Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406Read 13 October 2026Ceraluminum, a ceramic and aluminum fusion lid. No enum option fits, so other is stored. The bottom material is not stated.

Aluminium2Maker product pagemicrosoft.com/en-us/d/surface-laptop-13-inch-1st-edition-certified-refurbished/8mzbmmcjznrsRead 5 October 2026Exterior table specifies anodised aluminium casing.

Bottom material

Not available

Aluminium2Maker product pagemicrosoft.com/en-us/d/surface-laptop-13-inch-1st-edition-certified-refurbished/8mzbmmcjznrsRead 5 October 2026Exterior table specifies anodised aluminium casing.

Max hinge angle

130°6Measurementultrabookreview.com/69717-asus-zenbook-s14-oled-reviewRead 13 October 2026The screen only opens back to about 130 degrees.

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.

Yes2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026US MIL-STD 810H military-grade standard. Tests are not listed.

Not available

Display

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

14in(35.6 cm)2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 202614.0-inch.

13in(33 cm)1Maker product pagemicrosoft.com/en-us/store/configure/surface-laptop-13-inch/8mzbmmcjzqv3Read 5 October 2026Maker footnote 5. Full-rectangle diagonal is 13 inches, actual rounded-corner viewable area is smaller.

Native resolution

2880 × 1800px3Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026US tech spec for UX5406SA: 3K (2880 x 1800) OLED 16:10, 120Hz option. The Canada page calls the display 3K ASUS Lumina OLED.

1920 × 1280px2Maker product pagemicrosoft.com/en-us/d/surface-laptop-13-inch-1st-edition-certified-refurbished/8mzbmmcjznrsRead 5 October 2026

Pixel density

242.6ppi=CalculatedFrom Screen size and Native resolution

177.5ppi=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.

OLED3Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026OLED.

IPS9Reviewnotebookcheck.net/Superfluous-and-too-expensive-Microsoft-Surface-Laptop-13-with-the-Snapdragon-X-Plus-review.1031698.0.htmlRead 7 October 2026Specifications and Display sections explicitly state IPS. These shared original-model hardware facts are corroborated by the single-display consumer family description. Review measurements and panel part number from the 512 GB unit are excluded.

Backlight

None (self-emissive)6Measurementultrabookreview.com/69717-asus-zenbook-s14-oled-reviewRead 13 October 2026OLED panel, self-emissive.

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.

Samsung ATNA40CU09-0 (SDC419D)6Measurementultrabookreview.com/69717-asus-zenbook-s14-oled-reviewRead 13 October 2026Panel HardwareID Samsung SDC419D (ATNA40CU09-0) on the reviewed 3K UX5406SA with 120Hz. Panel suppliers can vary.

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.

Glossy2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026Glossy display.

Glossy9Reviewnotebookcheck.net/Superfluous-and-too-expensive-Microsoft-Surface-Laptop-13-with-the-Snapdragon-X-Plus-review.1031698.0.htmlRead 7 October 2026Specifications list glossy: yes for the original 13-inch 1920 x 1280 IPS display. Single-display consumer hardware fact only.

Touchscreen

Yes2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026

Yes2Maker product pagemicrosoft.com/en-us/d/surface-laptop-13-inch-1st-edition-certified-refurbished/8mzbmmcjznrsRead 5 October 2026

Stylus

Supported2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026With stylus support. No stylus is listed in the box.

None1Maker product pagemicrosoft.com/en-us/store/configure/surface-laptop-13-inch/8mzbmmcjzqv3Read 5 October 2026Footnote 7 explicitly excludes pen input and Surface Pen/Surface Slim Pen compatibility.

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.

AASUS Zenbook S 14 (2024) UX5406SA-BH71T-CB

Width (px)	Height (px)	Maximum operating refresh (Hz)
2880	1800	120

Source2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026Refresh Rate 120Hz. The resolution 3K (2880 x 1800) is listed on the US, global and UK spec pages. The 0.2ms response time is not stored because it is not named as gray-to-gray.

BMicrosoft Surface Laptop 13-inch (1st Edition, 2025)

Width (px)	Height (px)	Maximum operating refresh (Hz)
1920	1280	60

Source2Maker product pagemicrosoft.com/en-us/d/surface-laptop-13-inch-1st-edition-certified-refurbished/8mzbmmcjznrsRead 5 October 2026Display table explicitly publishes maximum 60 Hz at native 1920 x 1280. Manual switching is not entered as VRR.

Max refresh rate

120Hz=CalculatedFrom Refresh rate modes

60Hz=CalculatedFrom Refresh rate modes

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

Not available

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.

400nits2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026400nits.

400nits7Maker spec sheet (PDF)msftstories.thesourcemediaassets.com/sites/726/2025/05/Surface-Laptop-13-inch-Fact-Sheet.pdfRead 10 October 2026Display table, page 4. Brightness: 400 nits maximum (typical). Original Snapdragon consumer hardware, not later Intel or X2 hardware.

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.

500nits2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026500nits HDR peak brightness. Window size is not stated.

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%2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026

Not available

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 5002Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026VESA CERTIFIED Display HDR True Black 500.

Not available

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

Not available

Yes2Maker product pagemicrosoft.com/en-us/d/surface-laptop-13-inch-1st-edition-certified-refurbished/8mzbmmcjznrsRead 5 October 2026Maker Display table specifies an individually colour-calibrated display on the first-edition consumer model.

Second display

Not available

Not available

Processor

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Processor

Intel Core Ultra 7 258V2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026

Qualcomm Snapdragon X Plus (8-core)4Retailer pagebhphotovideo.com/c/product/1889087-REG/microsoft_ep2_36981_13_surface_laptop_copilot.htmlRead 5 October 2026

Processor brand

Intel2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026

Qualcomm4Retailer pagebhphotovideo.com/c/product/1889087-REG/microsoft_ep2_36981_13_surface_laptop_copilot.htmlRead 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.

AASUS Zenbook S 14 (2024) UX5406SA-BH71T-CB

Core type	Count	Base clock (GHz)	Max clock (GHz)
Performance	4	2.2	4.8
Low-power efficiency	4	2.2	3.7

Source5Maker product pageintel.com/content/www/us/en/products/sku/240957/intel-core-ultra-7-processor-258v-12m-cache-up-to-4-80-ghz/specifications.htmlRead 13 October 20264 P-cores 2.2/4.8 GHz and 4 LP E-cores 2.2/3.7 GHz. Generic base 17 W and turbo 37 W are not the laptop limits.

BMicrosoft Surface Laptop 13-inch (1st Edition, 2025)

Count	Core	Max clock (GHz)
8	Qualcomm Oryon	3.4

Source14Maker spec sheet (PDF)qualcomm.com/content/dam/qcomm-martech/dm-assets/images/company/news-media/media-center/press-kits/ifa-2024/documents/SnapdragonXPlus8-coreProductBrief.pdfRead 10 October 2026Qualcomm brief DCN 87-82546-1 Rev C, exact X1P-42-100 row: 8 Oryon cores, 3.2 GHz maximum multicore and 3.4 GHz single-core boost. 3.2 GHz is not a base clock and is not stored as one. The chip is identified as X1P-42-100 in the Notebookcheck review of this model. The other 8-core part X1P-46-100 (4.0 GHz boost) is not used. No Intel P/E role is imposed. Chip ratings, not laptop sustained clocks.

CPU cores

8=CalculatedFrom Core configuration

8=CalculatedFrom Core configuration

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

4=CalculatedFrom Core configuration

Not available

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

4=CalculatedFrom Core configuration

Not available

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

85Maker product pageintel.com/content/www/us/en/products/sku/240957/intel-core-ultra-7-processor-258v-12m-cache-up-to-4-80-ghz/specifications.htmlRead 13 October 2026

812Spec databasenotebookcheck.net/Qualcomm-Snapdragon-X-Plus-X1P-42-100-Processor-Benchmarks-and-Specs.838787.0.htmlRead 7 October 2026Number of Cores / Threads table: 8 / 8. The exact X1P-42-100 chip is identified in original-model reviews.

Max boost clock

4.8GHz=CalculatedFrom Core configuration

3.4GHz=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.

12MB5Maker product pageintel.com/content/www/us/en/products/sku/240957/intel-core-ultra-7-processor-258v-12m-cache-up-to-4-80-ghz/specifications.htmlRead 13 October 202612 MB Intel Smart Cache.

6MB12Spec databasenotebookcheck.net/Qualcomm-Snapdragon-X-Plus-X1P-42-100-Processor-Benchmarks-and-Specs.838787.0.htmlRead 7 October 2026Level 3 Cache table: 6 MB. Qualcomm total-cache claim of 30 MB is not used as L3.

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.

3nm5Maker product pageintel.com/content/www/us/en/products/sku/240957/intel-core-ultra-7-processor-258v-12m-cache-up-to-4-80-ghz/specifications.htmlRead 13 October 2026CPU Lithography listed as TSMC N3B.

4nm12Spec databasenotebookcheck.net/Qualcomm-Snapdragon-X-Plus-X1P-42-100-Processor-Benchmarks-and-Specs.838787.0.htmlRead 7 October 2026Manufacturing Technology table: 4 nm. Architecture text names TSMC N4P. Generic chip power, memory-controller maxima and USB4 capability are excluded from configured laptop fields.

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.

28W6Measurementultrabookreview.com/69717-asus-zenbook-s14-oled-reviewRead 13 October 2026Full Speed profile allows the hardware to run at about 28 W sustained after a short peak near 40 W.

Not available

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

Not available

Not available

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

Not available

Not available

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

47TOPS2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026

45TOPS1Maker product pagemicrosoft.com/en-us/store/configure/surface-laptop-13-inch/8mzbmmcjzqv3Read 5 October 2026Qualcomm Hexagon NPU-only 45 TOPS claim, excludes CPU and GPU.

Graphics

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

No2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026

No4Retailer pagebhphotovideo.com/c/product/1889087-REG/microsoft_ep2_36981_13_surface_laptop_copilot.htmlRead 5 October 2026Key Features explicitly identify integrated Qualcomm Adreno graphics.

GPU

Not available

Not available

GPU brand

Not available

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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

Intel Arc 140V2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026

Qualcomm Adreno4Retailer pagebhphotovideo.com/c/product/1889087-REG/microsoft_ep2_36981_13_surface_laptop_copilot.htmlRead 5 October 2026

Memory

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

32GB2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 202632GB LPDDR5X Memory on Package. The same row also lists a 16GB option for other models.

16GB4Retailer pagebhphotovideo.com/c/product/1889087-REG/microsoft_ep2_36981_13_surface_laptop_copilot.htmlRead 5 October 2026

RAM type

LPDDR5X2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026

LPDDR5X1Maker product pagemicrosoft.com/en-us/store/configure/surface-laptop-13-inch/8mzbmmcjzqv3Read 5 October 2026

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

8,533MT/s6Measurementultrabookreview.com/69717-asus-zenbook-s14-oled-reviewRead 13 October 2026Spec table: 32 GB LPDDR5-8533 (soldered). Intel lists LPDDR5X up to 8533 MT/s for the 258V.

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.

Soldered2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026

Soldered10Spec databaseifixit.com/Device/Microsoft_Surface_Laptop_13-inchRead 7 October 2026Technical specifications explicitly list 16GB LPDDR5x RAM (soldered). Consumer 256GB and 512GB removable UFS configurations are named separately.

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.

32GB2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026Max total system memory up to 32GB.

16GB7Maker spec sheet (PDF)msftstories.thesourcemediaassets.com/sites/726/2025/05/Surface-Laptop-13-inch-Fact-Sheet.pdfRead 10 October 2026Memory and storage table, page 3. Memory options: 16GB LPDDR5x RAM. Original consumer configuration maximum, not business-model maximum or post-purchase upgrade.

Storage

7 of 7 differ

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

1TB2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026

256GB4Retailer pagebhphotovideo.com/c/product/1889087-REG/microsoft_ep2_36981_13_surface_laptop_copilot.htmlRead 5 October 2026

Storage type

NVMe SSD2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026

UFS1Maker product pagemicrosoft.com/en-us/store/configure/surface-laptop-13-inch/8mzbmmcjzqv3Read 5 October 2026

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

42Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026

Not available

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

AASUS Zenbook S 14 (2024) UX5406SA-BH71T-CB

Form factor	Interface	PCIe generation	PCIe lanes	Count	Occupied
M.2 2280	PCIe NVMe	4	4	1	Yes

Source2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026Expansion slots row: 1x M.2 2280 PCIe 4.0x4 (includes used). The installed 1TB SSD uses it.

BMicrosoft Surface Laptop 13-inch (1st Edition, 2025)

Not available

M.2 slots

1=CalculatedFrom Storage slots

Not available

Free storage slots

0=CalculatedFrom Storage slots

Not available

Maximum slot PCIe generation

4=CalculatedFrom Storage slots

Not available

Ports

3 of 7 differ

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

AASUS Zenbook S 14 (2024) UX5406SA-BH71T-CB

Type	Version	Count	Side	Maximum data rate (Gbps)	Thunderbolt or USB4	DP Alt Mode
USB-C	Thunderbolt 4	2	Left	40	Thunderbolt 4	Yes
HDMI	HDMI 2.1 TMDS	1	Left	Not available	Not available	Not available
3.5 mm audio	Not available	1	Left	Not available	Not available	Not available
USB-A	USB 3.2 Gen 2	1	Right	10	Not available	Not available

Source2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 20262x Thunderbolt 4 with support for display and power delivery (up to 40Gbps), 1x USB 3.2 Gen 2 Type-A (up to 10Gbps), 1x 3.5mm combo audio jack. The HDMI 2.1 TMDS port is in the overview and on the US spec page. Sides from the Ultrabookreview review.

BMicrosoft Surface Laptop 13-inch (1st Edition, 2025)

Type	Version	Count	Maximum data rate (Gbps)	DP Alt Mode
USB-C	USB 3.2 Gen 2	2	10	Yes
USB-A	USB 3.2 Gen 1	1	5	Not available
3.5 mm audio	Not available	1	Not available	Not available

Source4Retailer pagebhphotovideo.com/c/product/1889087-REG/microsoft_ep2_36981_13_surface_laptop_copilot.htmlRead 5 October 2026Overview explicitly gives two 10 Gb/s USB-C 3.2 Gen 2 and one 5 Gb/s USB-A 3.2 Gen 1. Maker consumer sheet confirms DisplayPort 1.4a over USB-C and one 3.5 mm headphone jack. Physical connectors counted once. No Thunderbolt capability inferred from dock compatibility.

USB-C ports

2=CalculatedFrom Ports

2=CalculatedFrom Ports

Thunderbolt

Yes=CalculatedFrom Ports

Not available

Highest HDMI version

HDMI 2.1 TMDS=CalculatedFrom Ports

Not available

Card reader

No=CalculatedFrom Ports

No=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

2 of 5 differ

Wi-Fi

Wi-Fi 72Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026

Wi-Fi 71Maker product pagemicrosoft.com/en-us/store/configure/surface-laptop-13-inch/8mzbmmcjzqv3Read 5 October 2026

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

2.4 GHz, 5 GHz, 6 GHz2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026Wi-Fi 7 (802.11be) triple band 2*2.

2.4 GHz, 5 GHz, 6 GHz14Maker spec sheet (PDF)qualcomm.com/content/dam/qcomm-martech/dm-assets/images/company/news-media/media-center/press-kits/ifa-2024/documents/SnapdragonXPlus8-coreProductBrief.pdfRead 10 October 2026Qualcomm brief Wi-Fi/Bluetooth row for the FastConnect 7800 system: Spectral Bands 6 GHz, 5 GHz, 2.4 GHz. Maker fact sheet footnote 16 confirms the 6 GHz band exists and is not available in all regions. Radio support only. Regional regulation, router and driver limits apply.

Wi-Fi module

Intel BE2016Measurementultrabookreview.com/69717-asus-zenbook-s14-oled-reviewRead 13 October 2026Intel BE201 module with Wi-Fi 7 and Bluetooth 5.4.

Qualcomm FastConnect 780015Maker product pagesupport.microsoft.com/en-us/surface/updates/surface-laptop-13-inch-1st-edition-update-historyRead 10 October 2026Maker driver and firmware update history for Surface Laptop 13-inch 1st Edition lists Qualcomm FastConnect 7800 Mobile Connectivity System under Network adapters, next to the Adreno X1-45 GPU and Hexagon NPU drivers of the Snapdragon model. The Intel BE201 row in the same page belongs to the separate Intel business model.

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.

5.42Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026

5.42Maker product pagemicrosoft.com/en-us/d/surface-laptop-13-inch-1st-edition-certified-refurbished/8mzbmmcjznrsRead 5 October 2026

Cellular

Not available

No7Maker spec sheet (PDF)msftstories.thesourcemediaassets.com/sites/726/2025/05/Surface-Laptop-13-inch-Fact-Sheet.pdfRead 10 October 2026Network and connectivity table lists only Wi-Fi 7 and Bluetooth 5.4. No cellular modem is listed for this Snapdragon consumer model.

Keyboard and touchpad

4 of 8 differ

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

Not available

QWERTY2Maker product pagemicrosoft.com/en-us/d/surface-laptop-13-inch-1st-edition-certified-refurbished/8mzbmmcjznrsRead 5 October 2026Keyboard layout table explicitly specifies QWERTY. ANSI or ISO geometry is not asserted.

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.

Single colour2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026Backlit Chiclet Keyboard. The color is white per Ultrabookreview.

Backlit, type not stated7Maker spec sheet (PDF)msftstories.thesourcemediaassets.com/sites/726/2025/05/Surface-Laptop-13-inch-Fact-Sheet.pdfRead 10 October 2026Original May 2025 13-inch Snapdragon fact sheet, PDF page 8 Keyboard layout explicitly Keyboard backlight. Generic category preserves unknown light colour/type. Intel Series 3 and second-edition hardware excluded.

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

Not available

No7Maker spec sheet (PDF)msftstories.thesourcemediaassets.com/sites/726/2025/05/Surface-Laptop-13-inch-Fact-Sheet.pdfRead 10 October 2026Fact sheet cover picture shows the compact keyboard with no numeric keypad next to the touchpad. The Keyboard layout table lists QWERTY with F1 to F12 and does not list a keypad.

Key traveliPhysical key travel distance, not actuation distance.

1.1mm2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 20261.1mm key travel.

Not available

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

Not available

Not available

Touchpad size

Not available

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.

Mechanical6Measurementultrabookreview.com/69717-asus-zenbook-s14-oled-reviewRead 13 October 2026Large glass touchpad with physical clicks in the corners.

Mechanical9Reviewnotebookcheck.net/Superfluous-and-too-expensive-Microsoft-Surface-Laptop-13-with-the-Snapdragon-X-Plus-review.1031698.0.htmlRead 7 October 2026Input devices section explicitly describes a normal clickpad with mechanical clicks, rather than a haptic trackpad.

Camera and audio

6 of 7 differ

Webcam

FHD2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026FHD camera with IR function to support Windows Hello.

1080p Full HD1Maker product pagemicrosoft.com/en-us/store/configure/surface-laptop-13-inch/8mzbmmcjzqv3Read 5 October 2026

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

Yes2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026

No10Spec databaseifixit.com/Device/Microsoft_Surface_Laptop_13-inchRead 7 October 2026Technical specifications explicitly state no face authentication camera. The incorrect fanless claim is rejected against maker service instructions and Notebookcheck teardown.

Webcam privacy

None6Measurementultrabookreview.com/69717-asus-zenbook-s14-oled-reviewRead 13 October 2026No physical camera cover, no privacy shutter.

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.

41Maker product pageeshop.asus.com/ca-en/90nb14f3-m006x0-asus-zenbook-s-14-ux5406.htmlRead 13 October 2026Overview: four powerful speakers.

211Owner's manuallearn.microsoft.com/en-us/surface/service-guides/surface-laptop-13in/surface-laptop-13in-component-disassembly-and-reassemblyRead 8 October 2026Matching original Snapdragon Surface Laptop 13-inch service guide Speaker Replacement, Primary Components explicitly 2 Speakers (right and left). Separate removal and installation procedures confirm the physical count. Not inferred from Omnisonic stereo processing.

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

Not available

Not available

Audio features

Smart Amp Technology, Dolby Atmos, Harman Kardon tuning1Maker product pageeshop.asus.com/ca-en/90nb14f3-m006x0-asus-zenbook-s-14-ux5406.htmlRead 13 October 2026Four speakers tuned by Harman Kardon and Dolby Atmos. Smart Amp Technology is in the tech spec.

Dolby Audio, Bluetooth LE Audio2Maker product pagemicrosoft.com/en-us/d/surface-laptop-13-inch-1st-edition-certified-refurbished/8mzbmmcjznrsRead 5 October 2026

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

Not available

22Maker product pagemicrosoft.com/en-us/d/surface-laptop-13-inch-1st-edition-certified-refurbished/8mzbmmcjznrsRead 5 October 2026Mics table: Dual Studio Mics. Count of two physical microphones.

Battery and power

3 of 5 differ

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

72Wh2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026

50Wh4Retailer pagebhphotovideo.com/c/product/1889087-REG/microsoft_ep2_36981_13_surface_laptop_copilot.htmlRead 5 October 2026Overview Power and Portability explicitly specifies 50 Wh battery for retained consumer model. Maker page battery-capacity table has no numeric row, so no unpublished nominal/minimum value is inferred.

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.

AASUS Zenbook S 14 (2024) UX5406SA-BH71T-CB

Not available

BMicrosoft Surface Laptop 13-inch (1st Edition, 2025)

Use case	Hours (h)
Video playback	23
Web browsing	16

Source1Maker product pagemicrosoft.com/en-us/store/configure/surface-laptop-13-inch/8mzbmmcjzqv3Read 5 October 2026Maker footnotes 1 and 6. Matching preproduction 16 GB RAM and 256 GB storage first-edition devices tested March 2025. Local .mov video playback in Windows Media Player at 1080p/24 FPS, and browsing twelve popular websites across multiple tabs. Brightness 150 nits with auto-brightness disabled, Wi-Fi connected, other settings default. Maximum claims vary with use and configuration.

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.

65W2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026TYPE-C, 65W AC Adapter, 20V DC 3.25A.

45W1Maker product pagemicrosoft.com/en-us/store/configure/surface-laptop-13-inch/8mzbmmcjzqv3Read 5 October 20267Maker spec sheet (PDF)msftstories.thesourcemediaassets.com/sites/726/2025/05/Surface-Laptop-13-inch-Fact-Sheet.pdfRead 10 October 2026Original 2025 Snapdragon fact sheet box lists Surface 45 W USB-C Wall Charger in selected markets/configurations. Exact US reference inclusion independently established by its retained store source. Ports and charging/footnote 15 explicitly requires minimum 60 W USB-C PD supply for fast charging, sold separately. Supplied 45 W rating is not a laptop maximum input and is below that fast-charge requirement. No 80% charge endpoint converted to 0-to-50 time.

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.

USB-C2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026

USB-C1Maker product pagemicrosoft.com/en-us/store/configure/surface-laptop-13-inch/8mzbmmcjzqv3Read 5 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.

Not available

Not available

Cooling

3 of 4 differ

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

26Measurementultrabookreview.com/69717-asus-zenbook-s14-oled-reviewRead 13 October 2026Dual-fan, dual-radiator, vapor-chamber cooling module.

111Owner's manuallearn.microsoft.com/en-us/surface/service-guides/surface-laptop-13in/surface-laptop-13in-component-disassembly-and-reassemblyRead 8 October 2026Fan Replacement lists one Fan Subassembly and describes removing the single fan FPC and fan. Original Snapdragon service guide, corroborated by Notebookcheck Maintenance section: A single fan is employed for cooling.

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

Yes6Measurementultrabookreview.com/69717-asus-zenbook-s14-oled-reviewRead 13 October 2026Dual-fan, dual-radiator, vapor-chamber cooling module.

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.

AASUS Zenbook S 14 (2024) UX5406SA-BH71T-CB

Name
Full Speed
Performance
Standard
Whisper

Source6Measurementultrabookreview.com/69717-asus-zenbook-s14-oled-reviewRead 13 October 2026MyASUS profiles Full Speed, Performance, Balanced/Standard and Whisper. Reviewer states about 28, 24, 17 and 12 W sustained. Wattages are observed, so they are not stored in the table.

BMicrosoft Surface Laptop 13-inch (1st Edition, 2025)

Not available

Security

2 of 4 differ

Fingerprint

None6Measurementultrabookreview.com/69717-asus-zenbook-s14-oled-reviewRead 13 October 2026No finger sensor. The camera has IR for Windows Hello.

Power button3Owner's manualsupport.microsoft.com/en-us/surface/models/surface-laptop-13-inch-featuresRead 5 October 2026Windows Hello section explicitly describes fingerprint power button. Facial recognition from retailer FAQ is excluded.

TPM

Not available

Microsoft Pluton TPM 2.02Maker product pagemicrosoft.com/en-us/d/surface-laptop-13-inch-1st-edition-certified-refurbished/8mzbmmcjznrsRead 5 October 2026

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

Not available

Software

0 of 3 differ

Operating system

Windows 11 Home2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026

Windows 11 Home1Maker product pagemicrosoft.com/en-us/store/configure/surface-laptop-13-inch/8mzbmmcjzqv3Read 5 October 2026

OS family

Windows2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026

Windows1Maker product pagemicrosoft.com/en-us/store/configure/surface-laptop-13-inch/8mzbmmcjzqv3Read 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

5 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.

392.56nits6Measurementultrabookreview.com/69717-asus-zenbook-s14-oled-reviewRead 13 October 2026Max brightness in the middle of the screen 392.56 cd/m2 on power. X-Rite i1 Display Pro.

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.

100%6Measurementultrabookreview.com/69717-asus-zenbook-s14-oled-reviewRead 13 October 2026Coverage 100% sRGB, 94.5% Adobe RGB, 100% DCI-P3. X-Rite i1 Display Pro.

Not available

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

100%6Measurementultrabookreview.com/69717-asus-zenbook-s14-oled-reviewRead 13 October 2026Coverage 100% DCI-P3. X-Rite i1 Display Pro.

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.

0.217Measurementlaptopmag.com/laptops/windows-laptops/asus-zenbook-s-14-ux5406Read 13 October 2026Klein K-10A colorimeter: Delta-E accuracy 0.21. Formula and mode are not stated. The review also states 82% DCI-P3 coverage by its own method, which is not stored because it conflicts with the 100% from Ultrabookreview.

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.

Yes6Measurementultrabookreview.com/69717-asus-zenbook-s14-oled-reviewRead 13 October 2026PWM: Yes. The frequency is not given. The review says Flicker Free Dimming in MyASUS reduces the issue.

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

2 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

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.

4,116points6Measurementultrabookreview.com/69717-asus-zenbook-s14-oled-reviewRead 13 October 2026Time Spy graphics 4116 on the Full Speed profile at 28 W, the highest MyASUS profile. Review software as of July 2025.

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.

AASUS Zenbook S 14 (2024) UX5406SA-BH71T-CB

Game	Width (px)	Height (px)	Preset	Upscaling	Average FPS	1 % low FPS
Dota 2	1920	1200	Best Looking	Not available	82	46
Far Cry 6	1920	1200	Low, TAA	Not available	52	38
Horizon Forbidden West	1920	1200	Very Low, TAA	Off	45	32
The Witcher 3: Wild Hunt	1920	1200	Low, TUAA	Not available	78	56

Source6Measurementultrabookreview.com/69717-asus-zenbook-s14-oled-reviewRead 13 October 2026Full Speed profile (28 W), 1920x1200 on low settings, no upscaling stated except Off for Horizon. 1% lows as printed. Shadow of the Tomb Raider is not stored because its 1% low differs between two tables.

BMicrosoft Surface Laptop 13-inch (1st Edition, 2025)

Not available

Measured noise and temperature

2 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.

AASUS Zenbook S 14 (2024) UX5406SA-BH71T-CB

Power mode	Load	Noise (dB(A))
Full Speed	Max load	45
Performance	Max load	42
Standard	Max load	35

Source6Measurementultrabookreview.com/69717-asus-zenbook-s14-oled-reviewRead 13 October 2026Expect about 45 dBA on Full Speed, 42 on Performance and 35 on Standard under CPU load. Whisper stays under 30 dBA. Distance not stated. Values are published with a tilde.

BMicrosoft Surface Laptop 13-inch (1st Edition, 2025)

Not available

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

45dB(A)=CalculatedFrom Fan noise per mode

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Measured battery and power

3 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.

AASUS Zenbook S 14 (2024) UX5406SA-BH71T-CB

Test	Brightness (nits)	Hours (h)
Wi-Fi browsing	150	13.85
Productivity	Not available	16.35

Source7Measurementlaptopmag.com/laptops/windows-laptops/asus-zenbook-s-14-ux5406Read 13 October 2026Web surfing test at 150 nits 13:51. UL Procyon Office Productivity Battery Life 16:21, brightness not stated. Reviewed unit is the US 3K 258V 32GB 1TB model.

BMicrosoft Surface Laptop 13-inch (1st Edition, 2025)

Not available

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

13.85h=CalculatedFrom Battery runtime per test

Not available

Video runtimeiMeasured by a reviewer, not claimed by the maker

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

28W6Measurementultrabookreview.com/69717-asus-zenbook-s14-oled-reviewRead 13 October 2026Full Speed: stabilizes at 28 W in the Cinebench R15 loop with the laptop raised off the desk.

Not available

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

Not available

Not available

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

Not available

Not available

Certifications

4 of 6 differ

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

Not available

Not available

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

Not available

Yes1Maker product pagemicrosoft.com/en-us/store/configure/surface-laptop-13-inch/8mzbmmcjzqv3Read 5 October 2026Maker requires 16 GB or greater memory for Copilot+ PC experiences. Retained original configuration has 16 GB.

Colour certifications

PANTONE Validated2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026

Not available

ENERGY STAR

Not available

Yes2Maker product pagemicrosoft.com/en-us/d/surface-laptop-13-inch-1st-edition-certified-refurbished/8mzbmmcjznrsRead 5 October 2026

EPEAT

Gold2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026Ecolabels row: EPEAT Gold, RoHS, REACH.

Gold13Maker spec sheet (PDF)microsoft.com/content/dam/microsoft/mlsd/documents/presentations/en-us/surface/MSFT-echo-Ecoprofile-SurfaceLaptop-13inch.pdfRead 7 October 2026July 2025 original model 2095 Ecoprofile, Labels and certifications section: EPEAT registered in many countries at the Gold level. EPEAT registry corroborates original model. Registration varies by country.

Other certifications

TÜV Rheinland-certified, SGS Eye Care Display2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026Display row: TÜV Rheinland-certified and SGS Eye Care Display on the UK, global and US pages. The Canada page lists TÜV Rheinland-certified.

Windows 11 Secured-core PC7Maker spec sheet (PDF)msftstories.thesourcemediaassets.com/sites/726/2025/05/Surface-Laptop-13-inch-Fact-Sheet.pdfRead 10 October 2026Security table lists Windows 11 Secured-core PC. Stored verbatim. No Secured-core level is stated.

In the box

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

Sleeve1Maker product pageeshop.asus.com/ca-en/90nb14f3-m006x0-asus-zenbook-s-14-ux5406.htmlRead 13 October 2026In the box: Sleeve.

Surface Laptop, 13-inch, USB-C charging cable, Surface 45W USB-C Wall Charger, Quick Start Guide, Safety and warranty documents1Maker product pagemicrosoft.com/en-us/store/configure/surface-laptop-13-inch/8mzbmmcjzqv3Read 5 October 2026Current US consumer store lists laptop, USB-C charging cable, Surface 45 W USB-C Wall Charger, Quick Start Guide and safety/warranty documents. Business and other regional box contents excluded.

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

Not available

Yes1Maker product pagemicrosoft.com/en-us/store/configure/surface-laptop-13-inch/8mzbmmcjzqv3Read 5 October 2026

Warranty

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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.

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1year4Retailer pagebhphotovideo.com/c/product/1889087-REG/microsoft_ep2_36981_13_surface_laptop_copilot.htmlRead 5 October 2026Items Included lists limited one-year manufacturer warranty for retained US retail SKU. Paid plans and statutory rights excluded.

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

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Links

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Product page

www.asus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux54064Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406Read 13 October 2026

www.microsoft.com/en-us/store/configure/surface-laptop-13-inch/8mzbmmcjzqv31Maker product pagemicrosoft.com/en-us/store/configure/surface-laptop-13-inch/8mzbmmcjzqv3Read 5 October 2026

Spec sheet

www.asus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspec2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026

www.microsoft.com/en-us/d/surface-laptop-13-inch-1st-edition-certified-refurbished/8mzbmmcjznrs2Maker product pagemicrosoft.com/en-us/d/surface-laptop-13-inch-1st-edition-certified-refurbished/8mzbmmcjznrsRead 5 October 2026Maker consumer first-edition specification table. Refurbished sales page is used only for unchanged published hardware specifications, not refurbished prices, product identity or release date.

Manual

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support.microsoft.com/en-us/surface/models/surface-laptop-13-inch-features3Owner's manualsupport.microsoft.com/en-us/surface/models/surface-laptop-13-inch-featuresRead 5 October 2026Original first-edition Snapdragon user guide. Later Intel business model mentioned separately is 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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Both are also in the API. Back to all laptops.