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ASUS Zenbook S 14 (2024) UX5406SA-BH71T-CB vs Microsoft Surface Laptop 13.8-inch (7th Edition, X Plus)

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Product A: ASUS

Zenbook S 14 (2024) UX5406SA-BH71T-CB

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B

Product B: Microsoft

Surface Laptop 13.8-inch (7th Edition, X Plus)

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Only differences

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

BMicrosoft Surface Laptop 13.8-inch (7th Edition, X Plus)

General

6 of 9 differ

Series

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

Surface Laptop4Press releaseblogs.windows.com/devices/2024/05/20/introducing-the-ultimate-copilot-pcs-the-all-new-surface-pro-and-surface-laptopRead 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.

ZGJ-000013Retailer pagebestbuy.com/product/microsoft-surface-laptop-13-8-2k-touchscreen-snapdragon-x-plus-2024-16gb-memory-256gb-storage-7th-ed-copilot-pc-platinum/JJGXP2VWFKRead 5 October 2026Original US manufacturer SKU ZGJ-00001, Platinum, Snapdragon X Plus, 16 GB RAM and 256 GB SSD. Current new-condition route retains the identity/title/reviews, not detailed core or GPU fields. No stock claim retained.

GTIN / EAN

Not available

1963882774698Retailer pagemicrocenter.com/product/681044/microsoft-surface-laptop-(wi-fi)-7th-edition-zgj-00001-copilot-pc-138-laptop-computer-platinumRead 7 October 2026Exact US ZGJ-00001 Platinum Snapdragon X Plus, 16 GB RAM and 256 GB SSD. UPC-A is stored as its literal 12 digits.

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

Not available

20 May 20244Press releaseblogs.windows.com/devices/2024/05/20/introducing-the-ultimate-copilot-pcs-the-all-new-surface-pro-and-surface-laptopRead 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.

Not available

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

Not available

Not available

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

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.

Microsoft Surface Laptop 13.8-inch (8th Edition, X2 Plus)22Press releaseblogs.windows.com/devices/2026/06/16/introducing-the-next-surface-pro-and-surface-laptop-built-for-performance-and-flexibilityRead 23 October 2026Microsoft's launch post compares the 13.8-inch and 15-inch Surface Laptop 8th Edition with the 7th Edition and calls it the previous generation.23Reviewnotebookcheck.net/Snapdragon-X2-Plus-is-much-faster-Microsoft-Surface-Laptop-13-8-2026-Review.1334131.0.htmlRead 23 October 2026Notebookcheck's review of the 13.8-inch Surface Laptop 8th Edition says the chassis is unchanged from the previous model and the previous generation Surface Laptop.

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

$9994Press releaseblogs.windows.com/devices/2024/05/20/introducing-the-ultimate-copilot-pcs-the-all-new-surface-pro-and-surface-laptopRead 5 October 2026Maker launch announcement starting $999 literal US claim, original 13.8-inch X Plus base. Current store prices and later reductions excluded.

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.

US3Retailer pagebestbuy.com/product/microsoft-surface-laptop-13-8-2k-touchscreen-snapdragon-x-plus-2024-16gb-memory-256gb-storage-7th-ed-copilot-pc-platinum/JJGXP2VWFKRead 5 October 2026

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.

Platinum3Retailer pagebestbuy.com/product/microsoft-surface-laptop-13-8-2k-touchscreen-snapdragon-x-plus-2024-16gb-memory-256gb-storage-7th-ed-copilot-pc-platinum/JJGXP2VWFKRead 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.

Ultrabook4Press releaseblogs.windows.com/devices/2024/05/20/introducing-the-ultimate-copilot-pcs-the-all-new-surface-pro-and-surface-laptopRead 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.

Clamshell19Owner's manualdownload.microsoft.com/download/9/3/5/93501ba4-9f8f-430b-97ca-9d603f42a0b7/Microsoft%20Surface%20Laptop%207th%20Edition%20English%20Service%20Guide%20.pdfRead 8 October 2026Original seventh-edition repair diagrams show the hinged notebook keyboard and display assembly. No Studio or convertible model inherited.

Chassis

5 of 6 differ

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.

Width301Depth220Thickness (max)17.5mm(11.9 × 8.7 × 0.7 in)1Maker spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 5 October 2026Size and weight section. Chassis width 301 mm, depth 220 mm and height 17.5 mm. No package dimensions.

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).

1.34kg(3 lb)1Maker spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 5 October 2026Size and weight section, matching screen size. Maker published laptop mass without power supply, manufacturing variation qualified.

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.

Aluminium1Maker spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 5 October 2026

Bottom material

Not available

Aluminium1Maker spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 5 October 2026

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.

Yes16Maker product pagelearn.microsoft.com/en-us/surface/surface-hardware-environmental-test-resultsRead 7 October 2026Maker legal documentation links the exact Surface Laptop 13.8-inch 7th Edition (2036) to this test table. MIL-STD-810H column Surface Laptop 7th Edition Snapdragon reports Pass for listed procedures except Humidity N/A. Independent third-party laboratory tests, not a guarantee of field durability. Consumer hardware model is explicitly linked by maker, not inherited from an Intel business model.17Maker product pagemicrosoft.com/en-us/legal/compliance/environmental-compliance/documentationRead 7 October 2026Exact Surface Laptop 13.8-inch 7th Edition (2036) section links to Surface hardware environmental test results. Later 8th Edition reuses model 2036 and is kept separate.

Display

14 of 25 differ

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.

13.8in(35.1 cm)1Maker spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 5 October 2026

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.

2304 × 1536px1Maker spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 5 October 2026

Pixel density

242.6ppi=CalculatedFrom Screen size and Native resolution

200.7ppi=CalculatedFrom Screen size and Native resolution

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

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

Not available

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.

Not available

Touchscreen

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

Yes1Maker spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 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.

None13Maker product pagesupport.microsoft.com/en-gb/surface/accessories/pen/surface-pen-compatibility-and-featuresRead 7 October 2026Maker explicitly says these models are not compatible with Surface Slim Pen or Surface Pen. No active pen support. Capacitive finger touch remains true.

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 13.8-inch (7th Edition, X Plus)

Width (px)	Height (px)	Maximum operating refresh (Hz)
2304	1536	120

Source1Maker spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 5 October 2026Display section publishes dynamic refresh up to 120 Hz at native resolution. No VRR technology inferred from dynamic refresh wording.

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.

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.

600nits9Maker spec sheet (PDF)news.microsoft.com/wp-content/uploads/prod/sites/691/2024/06/Surface-Laptop-Fact-Sheet.pdfRead 7 October 2026Literal maker qualifier: 600 nits maximum (typical), SDR. Manufacturer typical panel rating at maximum setting. Not measured brightness. HDR peak claim remains separately retained.

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.

600nits1Maker spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 5 October 2026Display section explicitly states 600 nits HDR peak luminance. Footnote 4 requires HDR content and HDR enabled in device settings.

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

Yes1Maker spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 5 October 2026Display section explicitly describes individually colour-calibrated display.

Second display

Not available

Not available

Processor

12 of 14 differ

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 (10-core)2Owner's manualsupport.microsoft.com/en-us/surface/models/surface-laptop-7th-edition-featuresRead 5 October 2026Maker original seventh-edition guide explicitly lists Snapdragon X Plus (10 Core). Original consumer PDF restricts X Plus to the 13.8-inch size.3Retailer pagebestbuy.com/product/microsoft-surface-laptop-13-8-2k-touchscreen-snapdragon-x-plus-2024-16gb-memory-256gb-storage-7th-ed-copilot-pc-platinum/JJGXP2VWFKRead 5 October 20266Retailer pagebestbuy.com/product/microsoft-surface-laptop-copilot-pc-13-8-touch-screen-snapdragon-x-plus-16gb-memory-256gb-ssd-7th-ed-latest-model-platinum/6582826Read 5 October 2026Public original SKU listing plus maker guide identify Snapdragon X Plus 10-core.

Processor brand

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

Qualcomm3Retailer pagebestbuy.com/product/microsoft-surface-laptop-13-8-2k-touchscreen-snapdragon-x-plus-2024-16gb-memory-256gb-storage-7th-ed-copilot-pc-platinum/JJGXP2VWFKRead 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 13.8-inch (7th Edition, X Plus)

Count	Core	Max clock (GHz)
10	Qualcomm Oryon	3.4

Source9Maker spec sheet (PDF)news.microsoft.com/wp-content/uploads/prod/sites/691/2024/06/Surface-Laptop-Fact-Sheet.pdfRead 7 October 2026Maker confirms original X1P-64-100, corroborated by exact ZGJ-00001 retailer. Qualcomm Oryon cores, no Intel P/E label. Highest named multi-core frequency 3.4 GHz. No guessed base clock or short-duration boost.14Maker spec sheet (PDF)qualcomm.com/content/dam/qcomm-martech/dm-assets/documents/Snapdragon-X-Plus-Product-Brief.pdfRead 7 October 2026SKU Comparison table page 1: X1P-64-100, 10 Qualcomm Oryon cores, maximum multi-core 3.4 GHz, no separate boost. Microsoft exact 13.8-inch Plus cell independently identifies this chip.

CPU cores

8=CalculatedFrom Core configuration

10=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

1011Spec databasenotebookcheck.net/Qualcomm-Snapdragon-X-Plus-X1P-64-100-Processor-Benchmarks-and-Specs.838786.0.htmlRead 7 October 2026Exact X1P-64-100 processor. Hardware threads are chip property, not inferred from generic family. Laptop configured power and capability-only memory speed are not inherited.

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.

6MB18Spec databasenotebookcheck.net/Qualcomm-Snapdragon-X-Plus-X1P-64-100-Processor-Benchmarks-and-Specs.838786.0.htmlRead 7 October 2026Exact Snapdragon X Plus X1P-64-100 specification table explicitly Level 3 Cache 6 MB. Maker publishes 42 MB total cache across levels, which is not relabelled as L3. Exact chip identity matched by Microsoft June 2024 fact sheet and Micro Center US SKU.

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.

4nm10Maker spec sheet (PDF)qualcomm.com/content/dam/qcomm-martech/dm-assets/documents/Snapdragon-X-Plus-Product-Brief.pdfRead 7 October 2026Exact Snapdragon X Plus X1P-64-100 product brief. OEM identity separately matched by Microsoft June 2024 fact sheet and Micro Center exact SKU.

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 spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 5 October 2026Qualcomm Hexagon NPU-only 45 TOPS. CPU and GPU throughput excluded.

Graphics

1 of 9 differ

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

No3Retailer pagebestbuy.com/product/microsoft-surface-laptop-13-8-2k-touchscreen-snapdragon-x-plus-2024-16gb-memory-256gb-storage-7th-ed-copilot-pc-platinum/JJGXP2VWFKRead 5 October 2026Detailed Graphics Type Integrated evidence is from the publicly indexed exact original SKU route. The maker generation feature guide explicitly identifies Snapdragon X Plus as 10-core. Current new-condition listing is not treated as a detailed spec table.6Retailer pagebestbuy.com/product/microsoft-surface-laptop-copilot-pc-13-8-touch-screen-snapdragon-x-plus-16gb-memory-256gb-ssd-7th-ed-latest-model-platinum/6582826Read 5 October 2026Public index of the exact original ZGJ-00001 retail listing states Graphics Type Integrated. Live current replacement route retains less detail. No current availability or price inferred.

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

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

Qualcomm Adreno1Maker spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 5 October 2026

Memory

3 of 9 differ

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.

16GB3Retailer pagebestbuy.com/product/microsoft-surface-laptop-13-8-2k-touchscreen-snapdragon-x-plus-2024-16gb-memory-256gb-storage-7th-ed-copilot-pc-platinum/JJGXP2VWFKRead 5 October 20266Retailer pagebestbuy.com/product/microsoft-surface-laptop-copilot-pc-13-8-touch-screen-snapdragon-x-plus-16gb-memory-256gb-ssd-7th-ed-latest-model-platinum/6582826Read 5 October 2026Exact original US SKU listing title retains 16 GB memory.

RAM type

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

LPDDR5X1Maker spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 5 October 2026

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

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

Soldered12Reviewifixit.com/Device/Microsoft_Surface_Laptop_7Read 7 October 2026Exact Surface Laptop 7 13.8-inch device page explicitly includes Snapdragon X Plus 10-core and 16 GB. Battery 22/15 h entries on same page belong to other size and are not inherited. Manufacturer nominal 54 Wh remains unchanged.

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.

Not available

Storage

4 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

256GB3Retailer pagebestbuy.com/product/microsoft-surface-laptop-13-8-2k-touchscreen-snapdragon-x-plus-2024-16gb-memory-256gb-storage-7th-ed-copilot-pc-platinum/JJGXP2VWFKRead 5 October 20266Retailer pagebestbuy.com/product/microsoft-surface-laptop-copilot-pc-13-8-touch-screen-snapdragon-x-plus-16gb-memory-256gb-ssd-7th-ed-latest-model-platinum/6582826Read 5 October 2026Exact original US SKU listing title retains 256 GB SSD.

Storage type

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

SSD (interface unspecified)1Maker spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 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

41Maker spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 5 October 2026Memory and Storage section explicitly identifies the offered drives as Gen4 SSD, including 256GB. Interface classification beyond SSD omitted.

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 13.8-inch (7th Edition, X Plus)

Form factor	Interface	Count	Occupied
M.2 2230	PCIe NVMe	1	Yes

Source21Retailer pageifixit.com/products/microsoft-surface-ssd-upgrade-kitRead 8 October 2026iFixit official Micron partner product explicitly lists a M.2 2230 PCIe 4.0 NVMe replacement and compatibility with Surface Laptop 7 13.8-inch model 2036. Microsoft original service guide complete parts diagram and single-rSSD replacement establish one socket occupied by the selected 256 GB drive. 2230 is the supported length documented by this replacement, no longer-module support assumed. Replacement drive generation does not establish a higher physical socket generation or lane count, omitted. Installed original SSD classification remains maker plain SSD.

M.2 slots

1=CalculatedFrom Storage slots

1=CalculatedFrom Storage slots

Free storage slots

0=CalculatedFrom Storage slots

0=CalculatedFrom Storage slots

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 13.8-inch (7th Edition, X Plus)

Type	Version	Count	Thunderbolt or USB4	DP Alt Mode
USB-C	USB4	2	USB4	Yes
USB-A	USB 3.1	1	Not available	Not available
3.5 mm audio	Not available	1	Not available	Not available
Other	Surface Connect	1	Not available	Not available

Source1Maker spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 5 October 2026Ports and charging section, exact screen-size column. USB-C explicitly USB4 and DisplayPort 1.4a, physical connectors counted once. USB-A original document only states USB 3.1. Unconfirmed data rates and later conflicting Gen 2 wording omitted. Dock compatibility does not establish Thunderbolt support.

USB-C ports

2=CalculatedFrom Ports

2=CalculatedFrom Ports

Thunderbolt

Yes=CalculatedFrom Ports

No=CalculatedFrom Ports

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

3 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 spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 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.

Not available

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.

Not available

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

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

5.41Maker spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 5 October 2026

Cellular

Not available

No8Retailer pagemicrocenter.com/product/681044/microsoft-surface-laptop-(wi-fi)-7th-edition-zgj-00001-copilot-pc-138-laptop-computer-platinumRead 7 October 2026Exact US ZGJ-00001 base 13.8-inch Snapdragon model. Later Intel 5G business models are excluded.

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

QWERTY1Maker spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 5 October 2026Original consumer specification Keyboard layout explicitly QWERTY. No regional ANSI/ISO geometry 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.

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 stated20Maker product pagemicrosoft.com/en-us/d/surface-laptop-138-and-15-inch-7th-edition-certified-refurbished/8V7GKBZD5V58/1K80Read 8 October 2026Original consumer seventh-edition hardware specification, Keyboard layout section explicitly Keyboard backlight. This current refurbished store route describes original hardware, not an inherited refurbished warranty or box. Lighting colour and type are not stated.

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

Not available

Not available

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.

Haptic1Maker spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 5 October 2026Keyboard and Accessibility sections explicitly specify Precision Haptic touchpad.

Camera and audio

5 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 spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 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

Yes2Owner's manualsupport.microsoft.com/en-us/surface/models/surface-laptop-7th-edition-featuresRead 5 October 2026Original model guide separately identifies Windows Hello camera and front-facing camera. PDF Security section explicitly Windows Hello face authentication.

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.

219Owner's manualdownload.microsoft.com/download/9/3/5/93501ba4-9f8f-430b-97ca-9d603f42a0b7/Microsoft%20Surface%20Laptop%207th%20Edition%20English%20Service%20Guide%20.pdfRead 8 October 2026Microsoft M1318466 service guide, complete illustrated parts inventory printed page 16. Exact 13.8-inch chassis has Right Speaker E0D-00002 and Left Speaker E0D-00001. Both are separate physical speakers. Plus 16 GB board C0P-00002 is explicitly listed in the same inventory. No 15-inch assembly transfer.

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 Atmos, Bluetooth LE Audio1Maker spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 5 October 2026

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

Not available

21Maker spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 5 October 2026Audio section specifies Dual Studio Mics. Two physical microphones, not sound-processing channels.

Battery and power

4 of 5 differ

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

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

54Wh1Maker spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 5 October 2026Battery Capacities table, matching screen-size column. Nominal 54 Wh at 13.8 inches or 66 Wh at 15 inches. Minimum 52/64 is excluded.

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 13.8-inch (7th Edition, X Plus)

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

Source1Maker spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 5 October 2026Original PDF footnotes 6 and 7. Matching 13.8-inch Snapdragon X Plus 10-core, 16 GB RAM and 256 GB SSD. Local .mov video in Windows Media Player at 1080p/24 FPS and browsing eight websites across multiple tabs. Brightness 150 nits, auto-brightness disabled, Wi-Fi connected, other settings default on Windows 11. Up to 20 hours video and 13 hours web, varies by use/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.

39W1Maker spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 5 October 2026Original consumer box section explicitly lists 39W Power Supply for matching size. Adapter rated output, not accepted USB-C charging input.

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

Proprietary1Maker spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 5 October 2026Ports and charging section includes proprietary Surface Connect. Original consumer box supplied power supply uses Surface Connect, separate from optional USB-C charging.7Maker product pagemicrosoft.com/en-au/d/microsoft-surface-39w-power-supply/8mzbmmcjzpb6Read 5 October 2026Maker 39 W component page explicitly identifies the magnetic Surface Connect laptop connector. The original consumer PDF independently proves the included 39 W supply. Australian wall-plug and box-region details are not imported.

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.

119Owner's manualdownload.microsoft.com/download/9/3/5/93501ba4-9f8f-430b-97ca-9d603f42a0b7/Microsoft%20Surface%20Laptop%207th%20Edition%20English%20Service%20Guide%20.pdfRead 8 October 2026Complete original seventh-edition assembly diagrams and Keyboard Replacement Process printed pages 65-67 identify one physical fan, removed and installed with three screws. Not a count of vents. Applies to the explicitly listed 13.8-inch Plus 16 GB board.

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 13.8-inch (7th Edition, X Plus)

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.

Not available

TPM

Not available

Microsoft Pluton TPM 2.01Maker spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 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 spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 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 spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 5 October 2026

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

Not available

Not available

Measured display

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 13.8-inch (7th Edition, X Plus)

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 13.8-inch (7th Edition, X Plus)

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 13.8-inch (7th Edition, X Plus)

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.

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Certifications

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

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

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Yes1Maker spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 5 October 2026

Colour certifications

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

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ENERGY STAR

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Yes1Maker spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 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.

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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.

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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 13.8-inch, 39W Power Supply, Quick Start Guide, Safety and warranty documents1Maker spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 5 October 2026Original consumer box section, matching screen-size column. Supplied 39 W at 13.8 inches or 65 W at 15 inches adapter, Quick Start and safety/warranty documents. Other regional bundles excluded.

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

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Yes1Maker spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 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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1year1Maker spec sheet (PDF)bhphotovideo.com/lit_files/1168353.pdfRead 5 October 2026Original consumer specification one-year limited hardware warranty. Retained US 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

support.microsoft.com/en-us/surface/models/surface-laptop-7th-edition-features2Owner's manualsupport.microsoft.com/en-us/surface/models/surface-laptop-7th-edition-featuresRead 5 October 2026Maker exact seventh-edition feature overview. Newer editions and Intel business models are separate.

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

news.microsoft.com/wp-content/uploads/prod/sites/691/2024/06/Surface-Laptop-Fact-Sheet.pdf15Maker spec sheet (PDF)news.microsoft.com/wp-content/uploads/prod/sites/691/2024/06/Surface-Laptop-Fact-Sheet.pdfRead 7 October 2026Original June 2024 Microsoft-hosted consumer fact sheet. Downloaded and read. Previous retailer-hosted PDF route now presents a challenge.

Manual

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support.microsoft.com/en-us/surface/models/surface-laptop-7th-edition-features2Owner's manualsupport.microsoft.com/en-us/surface/models/surface-laptop-7th-edition-featuresRead 5 October 2026

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.