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Apple MacBook Air 13-inch (M3, 2024) vs ASUS Zenbook S 14 (2024) UX5406SA-BH71T-CB

A

Product A: Apple

MacBook Air 13-inch (M3, 2024)

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B

Product B: ASUS

Zenbook S 14 (2024) UX5406SA-BH71T-CB

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Every value links to where we found it.

Only differences

AApple MacBook Air 13-inch (M3, 2024)

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

General

7 of 9 differ

Series

MacBook Air2Press releaseapple.com/newsroom/2024/03/apple-unveils-the-new-13-and-15-inch-macbook-air-with-the-powerful-m3-chipRead 5 October 2026

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

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

MRXN3LL/A3Retailer pagebhphotovideo.com/c/product/1814971-REG/apple_mrxn3ll_a_13_6_macbook_air_m3.htmlRead 5 October 2026Exact US retail SKU MRXN3LL/A, Space Gray, M3 8 CPU/8 GPU cores, 8 GB memory/256 GB storage.

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.

GTIN / EAN

19594912417419Retailer pagebestbuy.com/product/macbook-air-13-inch-laptop-apple-m3-chip-8gb-memory-256gb-ssd-latest-model-space-gray/6565830Read 7 October 2026Same exact MRXN3LL/A original 8 GB/256 GB Space Gray table, Other: UPC 195949124174. Later 16 GB SKU, other colours and refurbished editions are excluded.

Not available

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

4 March 20242Press releaseapple.com/newsroom/2024/03/apple-unveils-the-new-13-and-15-inch-macbook-air-with-the-powerful-m3-chipRead 5 October 2026

Not available

Status

Not available

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.

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

Apple MacBook Air 13-inch (M2, 2022)9Reviewrtings.com/laptop/reviews/apple/macbook-air-13-2024Read 7 October 2026Public introduction: replaces M2 Apple MacBook Air 13 (2022). Exact marketed generation link.

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.

Apple MacBook Air 13-inch (M4, 2025)9Reviewrtings.com/laptop/reviews/apple/macbook-air-13-2024Read 7 October 2026Public Notice: replaced by Apple MacBook Air 13 (M4, 2025). Both named catalog targets exist. Not the M5 successor of M4.20Reviewrtings.com/laptop/reviews/apple/macbook-air-13-m4-2025Read 23 October 2026RTINGS says the MacBook Air 13 (M4, 2025) replaces the M3 MacBook Air 13 (2024).

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.

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

$1,0992Press releaseapple.com/newsroom/2024/03/apple-unveils-the-new-13-and-15-inch-macbook-air-with-the-powerful-m3-chipRead 5 October 2026US starting launch price for the original base configuration. Excludes education price and later discounts.

Not available

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

€1,29914Press releaseapple.com/de/newsroom/2024/03/apple-unveils-the-new-13-and-15-inch-macbook-air-with-the-powerful-m3-chipRead 7 October 2026March 4, 2024 German maker release: 13-inch M3 Air from 1299 EUR including VAT. Standard entry 8CPU/8GPU/8GB/256GB configuration. 1199 EUR education price excluded. US SKU hardware reference unchanged, source EU tax/market claim explicit.

Not available

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

US2Press releaseapple.com/newsroom/2024/03/apple-unveils-the-new-13-and-15-inch-macbook-air-with-the-powerful-m3-chipRead 5 October 2026

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.

ColoursiThe maker's own colour names

Space Gray3Retailer pagebhphotovideo.com/c/product/1814971-REG/apple_mrxn3ll_a_13_6_macbook_air_m3.htmlRead 5 October 2026

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

Segment

Ultrabook2Press releaseapple.com/newsroom/2024/03/apple-unveils-the-new-13-and-15-inch-macbook-air-with-the-powerful-m3-chipRead 5 October 2026

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.

Form factor

Clamshell9Reviewrtings.com/laptop/reviews/apple/macbook-air-13-2024Read 7 October 2026Public Multimedia verdict explicitly calls it a clamshell with no touch input.

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.

Chassis

6 of 6 differ

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

Width304.1Depth215Thickness (max)11.3mm(12 × 8.5 × 0.4 in)1Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026Size and Weight. Published centimetres converted exactly to millimetres.

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.

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

1.24kg(2.7 lb)1Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026Size and Weight. M3 row. Weight varies by configuration and manufacturing process.

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).

Lid material

Aluminium1Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026Environment Materials section states 100% recycled aluminium enclosure.

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.

Bottom material

Aluminium1Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026Environment Materials section states 100% recycled aluminium enclosure.

Not available

Max hinge angle

135°11Reviewnotebookcheck.net/Apple-MacBook-Air-13-M3-review-A-lot-faster-and-with-Wi-Fi-6E.811129.0.htmlRead 7 October 2026Case section states maximum opening angle 135 degrees for 13-inch M3 chassis. Review unit 10GPU/16GB/512GB. Apple exact 13-inch M3 tech specs give one chassis/keyboard across all chip/memory/storage options. Only invariant physical hinge description is used, not its measured temperatures/display/power. LaptopMedia independently states 135 degrees.

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

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

Not available

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.

Display

15 of 25 differ

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

13.6in(34.5 cm)1Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026

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.

Native resolution

2560 × 1664px1Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026

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.

Pixel density

224.5ppi=CalculatedFrom Screen size and Native resolution

242.6ppi=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.

IPS1Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026

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

Backlight

Not available

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

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

Not available

Not available

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

Not available

Samsung 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.

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

Not available

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

Touchscreen

No3Retailer pagebhphotovideo.com/c/product/1814971-REG/apple_mrxn3ll_a_13_6_macbook_air_m3.htmlRead 5 October 2026Display specifications explicitly state Touchscreen No for this retail SKU.

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

Stylus

Not available

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.

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

AApple MacBook Air 13-inch (M3, 2024)

Width (px)	Height (px)	Maximum operating refresh (Hz)	VRR
2560	1664	60	No

Source8Retailer pagebhphotovideo.com/c/product/1814971-REG/apple_mrxn3ll_a_13_6_macbook_air_m3.htmlRead 7 October 2026Exact built-in Display table: 2560x1664, 60 Hz, Variable Refresh Technology No. Maximum operating native mode confirmed by RTINGS public verdict 60 Hz and no VRR, not a supported-signal table. No other resolution row inferred.

BASUS 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.

Max refresh rate

60Hz=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.

500nits1Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026Exact 13-inch M3 Display section explicitly 500 nits brightness for its Liquid Retina IPS panel. Ordinary manufacturer display luminance claim, not an outdoor boost, HDR peak or reviewer measurement. No source measurement method inferred.

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

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.

Not available

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.

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

Not available

Not available

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

Not available

100%2Maker product pageasus.com/ca-en/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 13 October 2026

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

Not available

Not available

HDR certification

Not available

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.

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

Not available

Not available

Second display

Not available

Not available

Processor

7 of 14 differ

Processor

Apple M3 (8-core CPU)1Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026Chip section. Exact 8-core CPU and 8-core GPU configuration.

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

Processor brand

Apple1Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026

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

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

AApple MacBook Air 13-inch (M3, 2024)

Core type	Count
Performance	4
Efficiency	4

Source1Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026

BASUS 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.

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

4=CalculatedFrom Core configuration

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

4=CalculatedFrom Core configuration

4=CalculatedFrom Core configuration

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

812Spec databasenotebookcheck.net/Apple-M3-Processor-Benchmarks-and-Specs.764609.0.htmlRead 7 October 2026Exact installed M3 CPU specification Number of Cores/Threads 8/8. No M3 Pro/Max thread count or configured CPU power is imported.

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

Max boost clock

Not available

4.8GHz=CalculatedFrom Core configuration

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

Not available

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.

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.

3nm13Press releaseapple.com/newsroom/2023/10/apple-unveils-m3-m3-pro-and-m3-max-the-most-advanced-chips-for-a-personal-computerRead 7 October 2026Maker M3-family chip launch explicitly uses 3-nanometer process. Applies to installedM3 compute silicon. Secondary GPU table stale 5 nm is rejected against maker.

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.

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

Not available

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.

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.

Not available

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

Graphics

1 of 9 differ

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

No1Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026Chip and graphics inventory lists the installed Apple chip GPU only. This GPU is part of the SoC and uses unified memory.

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

GPU

Not available

Not available

GPU brand

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Integrated GPU

Apple M3 8-core GPU1Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026

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

Memory

5 of 9 differ

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

8GB1Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026Memory section. Retained original US 8 GB configuration. Later refreshes and higher purchase options are excluded.

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.

RAM type

LPDDR59Reviewrtings.com/laptop/reviews/apple/macbook-air-13-2024Read 7 October 2026Public Differences table, exact tested base 8GB/256GB/8GPU configuration, lists 8GB LP-DDR5. The table labels 6400 MHz, which is not used as an unqualified transfer rate here.

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

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

6,400MT/s10Spec databasenotebookcheck.com/Apple-M3-8-Core-GPU-Grafikkarte-Benchmarks-und-Spezifikationen.775455.0.htmlRead 7 October 2026Exact M3 8-core GPU memory description identifies access to 8GB LPDDR5-6400 unified memory. 6400 is published LPDDR5 transfer-rate grade, not doubled from a DRAM-clock figure. RTINGS exact base configuration corroborates installed LPDDR5. No profile or kit rating inferred.

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.

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.

Not available

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

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.

24GB1Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026Maximum purchase-time memory for the retained M3 CPU/GPU configuration. Does not assert 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.

Storage

6 of 7 differ

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

256GB1Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026Storage section. Retained original base 256 GB SSD. PCIe generation and installed drive model are not published.

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

Storage type

NVMe SSD8Retailer pagebhphotovideo.com/c/product/1814971-REG/apple_mrxn3ll_a_13_6_macbook_air_m3.htmlRead 7 October 2026Exact SKU Storage Drive Type: 1 x 256 GB Integrated NVMe SSD. Maker generic SSD claim retained in original source, with secondary interface clarification. No M.2 connector inferred.

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

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

Not available

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

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

AApple MacBook Air 13-inch (M3, 2024)

Not available

BASUS 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.

M.2 slots

Not available

1=CalculatedFrom Storage slots

Free storage slots

Not available

0=CalculatedFrom Storage slots

Maximum slot PCIe generation

Not available

4=CalculatedFrom Storage slots

Ports

2 of 7 differ

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

AApple MacBook Air 13-inch (M3, 2024)

Type	Version	Count	Side	Maximum data rate (Gbps)	Thunderbolt or USB4	DP Alt Mode
MagSafe	MagSafe 3	1	Left	Not available	Not available	Not available
USB-C	Thunderbolt 3 / USB 4	2	Left	40	Thunderbolt 3	Yes
3.5 mm audio	Not available	1	Right	Not available	Not available	Not available

Source1Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026Charging and Expansion. Physical connectors counted once. Thunderbolt and USB4 share each USB-C connector.17Owner's manualsupport.apple.com/guide/macbook-air/apd7e765329d/2024/mac/15Read 7 October 2026Exact 2024 guide tour left-side callout places MagSafe 3 and Thunderbolt/USB4 ports on left. Right-side callout places 3.5 mm jack on right. Existing physical counts/protocols unchanged. No accepted charging input watts inferred from 70W fast-charge adapter capability.

BASUS 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.

USB-C ports

2=CalculatedFrom Ports

2=CalculatedFrom Ports

Thunderbolt

Yes=CalculatedFrom Ports

Yes=CalculatedFrom Ports

Highest HDMI version

Not available

HDMI 2.1 TMDS=CalculatedFrom Ports

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

4 of 5 differ

Wi-Fi

Wi-Fi 6E1Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026

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

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

2.4 GHz, 5 GHz, 6 GHz15Maker product pagesupport.apple.com/en-is/guide/deployment/-dep268652e6c/webRead 7 October 2026MacBook Air 13-inch M3, 2024 explicitly listed above table ax@6GHz, ax@5GHz, ax@2.4GHz. US reference, local regulatory availability applies. Not inferred from version alone.

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.

Wi-Fi module

Not available

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

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.

5.31Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026

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

Cellular

No8Retailer pagebhphotovideo.com/c/product/1814971-REG/apple_mrxn3ll_a_13_6_macbook_air_m3.htmlRead 7 October 2026Exact SKU Communications table: Cellular Support No.

Not available

Keyboard and touchpad

5 of 8 differ

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

ANSI (78 keys)3Retailer pagebhphotovideo.com/c/product/1814971-REG/apple_mrxn3ll_a_13_6_macbook_air_m3.htmlRead 5 October 2026US 78-key keyboard for retained US SKU. ISO option from maker sheet excluded.

Not available

Key switches

Scissor8Retailer pagebhphotovideo.com/c/product/1814971-REG/apple_mrxn3ll_a_13_6_macbook_air_m3.htmlRead 7 October 2026Exact MRXN3LL/A Magic Keyboard section states scissor mechanism.

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 colour11Reviewnotebookcheck.net/Apple-MacBook-Air-13-M3-review-A-lot-faster-and-with-Wi-Fi-6E.811129.0.htmlRead 7 October 2026Input devices section explicitly names white keyboard backlighting. Same 13-inch M3 shared Magic Keyboard, as maker single keyboard/chassis specification establishes. Reviewed 10GPU/16GB/512GB unit. No supplier-specific measurement or other configuration benchmark transferred.

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.

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

No19Retailer pagebestbuy.com/product/macbook-air-13-inch-laptop-apple-m3-chip-8gb-memory-256gb-ssd-latest-model-space-gray/6565830Read 7 October 2026Independently read public indexed exact MRXN3LL/A specification table. Included: Numeric Keypad false. Model is Space Gray, 8 GB RAM, 256 GB SSD and M3 8-core GPU. No external or virtual keypad counted.

Not available

Key traveliPhysical key travel distance, not actuation distance.

1mm8Retailer pagebhphotovideo.com/c/product/1814971-REG/apple_mrxn3ll_a_13_6_macbook_air_m3.htmlRead 7 October 2026Same exact SKU section states scissor mechanism delivers 1 mm key travel. Published hardware specification, not a reviewer displacement measurement.

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

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.

Haptic1Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026Keyboard and Trackpad. Force Touch pressure-sensing trackpad.7Owner's manualsupport.apple.com/en-gb/102309Read 5 October 2026Apple describes haptic feedback as a feature of Force Touch trackpads. Exact model sheet states Force Touch trackpad.

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

Camera and audio

5 of 7 differ

Webcam

1080p FaceTime HD1Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026

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.

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

Not available

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

Webcam privacy

Not available

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

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

41Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026Audio section. Four-speaker sound system.

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

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

Spatial Audio, Dolby Atmos, Voice Isolation, Wide Spectrum microphone mode, Spatial Audio with dynamic head tracking on supported AirPods1Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026Exact M3 Audio section explicitly Voice Isolation and Wide Spectrum microphone modes, directional beamforming and Spatial Audio. Dynamic head tracking requires supported AirPods, AirPods Pro or AirPods Max, not head tracking on the laptop speakers. Existing speaker count and Dolby Atmos entries retained.

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.

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

31Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026

Not available

Battery and power

5 of 5 differ

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

52.6Wh1Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026

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

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

AApple MacBook Air 13-inch (M3, 2024)

Use case	Hours (h)
Video playback	18
Web browsing	15

Source1Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026Battery and Power footnote. Matching 8-core CPU/8-core GPU, 8 GB RAM/256 GB SSD test. HD 1080p Apple TV app movie playback and wireless browsing 25 websites, brightness 8 clicks from bottom. Up to claims, varies with use/configuration.

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

Not available

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

30W1Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026Exact selected M3 base includes 30 W USB-C adapter. Apple explicitly says fast-charge capable with a 70 W USB-C adapter, an optional higher-power supply. Supplied adapter rating remains separate from fast-charge requirement and maximum laptop input. Thirty-watt adapter belongs to the 8-core GPU base, not the optional 10-core GPU/512 GB package.

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.

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.

MagSafe1Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026USB-C to MagSafe 3 cable at the laptop end.

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

30min4Owner's manualsupport.apple.com/guide/macbook-air/apd7e765329d/2024/mac/15Read 5 October 2026Around 30 minutes with optional 70W USB-C adapter, separate from included base adapter.

Not available

Cooling

3 of 4 differ

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

02Press releaseapple.com/newsroom/2024/03/apple-unveils-the-new-13-and-15-inch-macbook-air-with-the-powerful-m3-chipRead 5 October 2026

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

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

Not available

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

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.

AApple MacBook Air 13-inch (M3, 2024)

Not available

BASUS 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.

Security

1 of 4 differ

Fingerprint

Power button4Owner's manualsupport.apple.com/guide/macbook-air/apd7e765329d/2024/mac/15Read 5 October 2026Touch ID described as power button.

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

TPM

Not available

Not available

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

2 of 3 differ

Operating system

macOS Sonoma2Press releaseapple.com/newsroom/2024/03/apple-unveils-the-new-13-and-15-inch-macbook-air-with-the-powerful-m3-chipRead 5 October 2026Operating system supplied at original launch. Later supported system updates are excluded.

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

OS family

macOS1Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026

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

Not available

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.

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

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.

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

Not available

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

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

Not available

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.

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

Not available

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.

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.

Not available

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.

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.

AApple MacBook Air 13-inch (M3, 2024)

Not available

BASUS 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.

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.

AApple MacBook Air 13-inch (M3, 2024)

Not available

BASUS 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.

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

Not available

45dB(A)=CalculatedFrom Fan noise per mode

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.

AApple MacBook Air 13-inch (M3, 2024)

Not available

BASUS 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.

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

Not available

13.85h=CalculatedFrom Battery runtime per test

Video runtimeiMeasured by a reviewer, not claimed by the maker

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

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.

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

3 of 6 differ

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

Not available

Not available

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

Not available

Not available

Colour certifications

Not available

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

ENERGY STAR

Yes1Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026

Not available

EPEAT

Gold18Maker spec sheet (PDF)apple.com/environment/pdf/products/notebooks/M3_MacBook_Air_PER_March2024.pdfRead 7 October 2026Original March 2024 M3 MacBook Air Product Environmental Report, footnote 5 on PDF page 12: MacBook Air with M3 achieved Gold in the United States and Canada and is listed on EPEAT Registry. Applies to original US 13-inch M3 configuration, separate from ENERGY STAR.

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

Other certifications

Not available

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.

In the box

2 of 2 differ

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

13-inch MacBook Air, 30W USB-C Power Adapter, USB-C to MagSafe 3 Cable (2 m)1Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026In the Box. Retained US base configuration includes the named power adapter and 2 m USB-C to MagSafe 3 cable. Alternate optional adapters excluded.

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

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

Yes1Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026

Not available

Warranty

2 of 2 differ

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

1year5Maker product pageapple.com/legal/warranty/products/embedded-mac-warranty-us.htmlRead 5 October 2026US one-year limited hardware warranty from original retail purchase. Statutory rights and AppleCare excluded.

Not available

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

Carry-in, Mail-in16Maker product pageapple.com/legal/warranty/products/embedded-mac-warranty-us.htmlRead 7 October 2026US Mac warranty service options name carry-in and mail-in. Apple selects eligible available service, not unconditional choice. DIY option lacks enum and is omitted.

Not available

Links

Not compared

Product page

support.apple.com/en-us/1185511Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026

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

Spec sheet

support.apple.com/en-us/1185511Maker product pagesupport.apple.com/en-us/118551Read 8 October 2026

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

Manual

support.apple.com/guide/macbook-air/apd7e765329d/2024/mac/154Owner's manualsupport.apple.com/guide/macbook-air/apd7e765329d/2024/mac/15Read 5 October 2026

Not available

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

Not available

Not available

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