Laptops / Compare

Apple MacBook Air 15-inch (M5, 2026) vs ASUS Zenbook S 14 (2026) UX5406AA

A

Product A: Apple

MacBook Air 15-inch (M5, 2026)

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B

Product B: ASUS

Zenbook S 14 (2026) UX5406AA

95 of 179 known

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Every value links to where we found it.

Only differences

AApple MacBook Air 15-inch (M5, 2026)

BASUS Zenbook S 14 (2026) UX5406AA

General

6 of 9 differ

Series

MacBook Air1Press releaseapple.com/newsroom/2026/03/apple-introduces-the-new-macbook-air-with-m5Read 5 October 2026

Zenbook S2Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406Read 10 October 2026Zenbook S 14 series name on the maker page.

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

Mac17,4, MDVQ4LL/A, MDV94LL/A, MDVD4LL/A, MDVH4LL/A8Maker product pagesupport.apple.com/en-us/102869Read 7 October 2026Exact MacBook Air (15-inch, M5) section gives Mac17,4. 13-inch Mac17,3 excluded. Region-specific base retail parts independently proved by maker US price list.9Maker spec sheet (PDF)apple.com/education/pricelists/pdfs/Apple_US_Education_Institution_Price_List.pdfRead 7 October 2026Current US institutional maker catalog exact 15-inch M5 10 CPU/10 GPU, 16 GB / 512 GB: MDVQ4LL/A Sky Blue, MDV94LL/A Silver, MDVD4LL/A Starlight and MDVH4LL/A Midnight. 24 GB and 1 TB rows excluded. 6/25/26 prices are education/current prices and are not launch MSRP.

UX5406AA1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026ASUS Singapore tech spec tab lists the single model UX5406AA. The global and US tabs also list the Lunar Lake UX5406SA, which is a different product.

GTIN / EAN

Not available

Not available

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

3 March 20261Press releaseapple.com/newsroom/2026/03/apple-introduces-the-new-macbook-air-with-m5Read 5 October 2026

Not available

Status

Available10Retailer pageabt.com/Apple-MacBook-Air-Laptop-15.3-Inch-M5-Chip-10-Core-CPU-10-Core-GPU-16GB-RAM-512GB-SSD-in-Sky-Blue-MDVQ4LLA/p/240244.htmlRead 7 October 2026Exact US Sky Blue base MDVQ4LL/A currently offered with Add to Cart. Current 1499 USD/list or 1424 USD sale is not the 1299 USD original maker launch price.

Available1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026UX5406AA is listed on the ASUS Singapore tech spec tab on 2026-10-10.

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 15-inch (M4, 2025)7Reviewnotebookcheck.net/Apple-MacBook-Air-15-M5-Review-Very-powerful-fanless-and-without-competition.1244905.0.htmlRead 5 October 2026Notebookcheck's review of the MacBook Air 15 M5 says Apple refreshes the 15-inch Air and calls the MacBook Air 15 M4 the previous model.

ASUS Zenbook S 14 (2024) UX5406SA-BH71T-CB4Reviewultrabookreview.com/74670-asus-zenbook-s14-gen2-reviewRead 10 October 2026Ultrabookreview treats the 2026 Zenbook S14 UX5406AA as the update of the previous Zenbook S14 UX5406SA generation.6Reviewultrabookreview.com/69717-asus-zenbook-s14-oled-reviewRead 23 October 2026Ultrabookreview's UX5406SA review says the UX5406AA is a more recent update of the Zenbook S14.

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

Not available

Not available

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

$1,2991Press releaseapple.com/newsroom/2026/03/apple-introduces-the-new-macbook-air-with-m5Read 5 October 2026Pricing and Availability: US starting price for the standard base configuration, excluding sales tax. Education and later store prices are excluded.

Not available

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

€1,49911Press releaseapple.com/fr/newsroom/2026/03/apple-introduces-the-new-macbook-air-with-m5Read 7 October 2026Original March 3, 2026 French maker launch release Pricing and Availability gives 15-inch M5 starting retail price 1499 EUR. Published French consumer price including VAT. Education 1379 EUR and 13-inch 1199 EUR excluded. Same base 16 GB / 512 GB/10-core GPU. This is French launch pricing, not a US tax/adapter-bundle claim.

Not available

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

US1Press releaseapple.com/newsroom/2026/03/apple-introduces-the-new-macbook-air-with-m5Read 5 October 2026

Not available

ColoursiThe maker's own colour names

Sky Blue, Silver, Starlight, Midnight4Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026

Antrim Gray1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026Antrim Gray.

Segment

Ultrabook1Press releaseapple.com/newsroom/2026/03/apple-introduces-the-new-macbook-air-with-m5Read 5 October 2026Air is the thin, light, fanless model. Pro is described for creative professional workflows.

Ultrabook1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026Thin and light Zenbook with a 1.20 kg body and an OLED touch display.

Form factor

Clamshell3Owner's manualsupport.apple.com/guide/macbook-air/take-a-tour-of-macbookair-apd7e765329d/2026/mac/27Read 5 October 2026Tour diagrams show the clamshell notebook, with lid, keyboard and trackpad.

Clamshell4Reviewultrabookreview.com/74670-asus-zenbook-s14-gen2-reviewRead 10 October 2026The screen opens to about 145 degrees and does not lie flat, so it is a clamshell.

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.

Width340.4Depth237.6Thickness (max)11.5mm(13.4 × 9.4 × 0.5 in)4Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026

Width310.3Depth214.7Thickness (min)11.9Thickness (max)12.9mm(12.2 × 8.5 × 0.5 in)1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 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.

1.51kg(3.3 lb)4Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026

1.2kg(2.6 lb)1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 20261.20 kg (2.65 lbs).

Lid material

Aluminium4Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026Environment / Materials: aluminium enclosure.

Aluminium4Reviewultrabookreview.com/74670-asus-zenbook-s14-gen2-reviewRead 10 October 2026Lid in Ceraluminum, a patented ceramic-coated aluminum. Main deck in CNC-machined aluminum. The bottom material is not stated.

Bottom material

Aluminium4Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026Environment / Materials: aluminium enclosure.

Not available

Max hinge angle

130°20Reviewlaptopmedia.com/review/apple-macbook-air-15-3-m5-the-best-15-inch-laptop-for-everyday-useRead 7 October 2026Exact tested 15-inch M5 10 CPU/10 GPU, 16 GB / 512 GB. Design section says maximum hinge angle about 130 degrees. Approximate reviewer observation, not maker tolerance.

145°4Reviewultrabookreview.com/74670-asus-zenbook-s14-gen2-reviewRead 10 October 2026Opens to about 145 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

Yes1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026US MIL-STD 810H military-grade standard. Tested procedures are not listed.

Display

14 of 25 differ

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

15.3in(38.9 cm)4Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026

14in(35.6 cm)1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026

Native resolution

2880 × 1864px4Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026

2880 × 1800px1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026

Pixel density

224.2ppi=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.

IPS4Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026

OLED1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026

Backlight

Not available

None (self-emissive)1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026

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 SDC422A (ATNA40HQ05-0)4Reviewultrabookreview.com/74670-asus-zenbook-s14-gen2-reviewRead 10 October 2026Panel HardwareID Samsung SDC422A (ATNA40HQ05-0) on the reviewed unit. Suppliers may vary between units.

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.

Glossy7Reviewnotebookcheck.net/Apple-MacBook-Air-15-M5-Review-Very-powerful-fanless-and-without-competition.1244905.0.htmlRead 5 October 2026Specifications: glossy yes. Display text describes an antireflective glossy surface. Shared display claim only, not a measured result.

Glossy4Reviewultrabookreview.com/74670-asus-zenbook-s14-gen2-reviewRead 10 October 2026Glossy OLED touch panel.

Touchscreen

No6Retailer pagecurrys.co.uk/products/apple-macbook-air-15-2026-m5-512-gb-ssd-ram-16-gb-sky-blue-10292821.htmlRead 5 October 2026SCREEN: Touchscreen No, exact M5 / 16 GB / 512 GB / 10-core GPU configuration. Incorrect retailer four-speaker and 304.4 mm width claims are excluded in favour of maker six-speaker and 340.4 mm values.

Yes1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026

Stylus

Not available

Supported1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 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 15-inch (M5, 2026)

Width (px)	Height (px)	Maximum operating refresh (Hz)
2880	1864	60

Source7Reviewnotebookcheck.net/Apple-MacBook-Air-15-M5-Review-Very-powerful-fanless-and-without-competition.1244905.0.htmlRead 5 October 2026Model display specification and comparison table: 2880 x 1864, 15.3-inch IPS at 60 Hz. Display prose mistakenly repeats the 13-inch 2560 x 1664 resolution, so native resolution comes from the maker sheet. Measurements of the 32 GB / 2 TB review configuration are excluded.

BASUS Zenbook S 14 (2026) UX5406AA

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

Source1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 20263K 2880 x 1800 OLED, Refresh Rate 120Hz. No variable refresh technology is listed. The 0.2ms response time is not stored because the page does not say 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.

500nits4Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026

Not available

Peak brightness (SDR outdoors, claimed)iManufacturer maximum SDR luminance explicitly claimed for outdoor use. Ambient light, automatic brightness and other stated conditions belong in the source note. Not typical SDR or HDR brightness.

Not available

Not available

Sustained brightness (HDR, claimed)iManufacturer explicitly sustained HDR luminance. Screen area, duration, temperature and other stated conditions belong in the source note. Not a brief peak or SDR luminance.

Not available

Not available

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

Not available

1,100nits1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026500nits and 1100nits HDR peak brightness are listed. Only the HDR peak is stored. The 500nits figure is not labelled typical, so it is not stored as typical brightness.

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%1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026100% DCI-P3 color gamut. The page does not say coverage or volume.

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 10001Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026VESA CERTIFIED Display HDR True Black 1000.

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

11 of 14 differ

Processor

Apple M54Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026

Intel Core Ultra 9 386H1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026Intel Core Ultra 9 Processor 386H 2.1 GHz (18MB Cache, up to 4.9 GHz, 16 cores, 16 Threads).

Processor brand

Apple4Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026

Intel1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 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 15-inch (M5, 2026)

Core type	Count	Core
Super	4	Super
Efficiency	6	Efficiency

Source4Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026Chip section: 10-core M5 CPU with 4 super and 6 efficiency cores.

BASUS Zenbook S 14 (2026) UX5406AA

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

Source3Maker product pageintel.com/content/www/us/en/products/sku/245529/intel-core-ultra-9-processor-386h-18m-cache-up-to-4-90-ghz/specifications.htmlRead 10 October 20264 P-cores 2.1 GHz base and 4.9 GHz max turbo, 8 E-cores 1.6 and 3.7 GHz, 4 LP E-cores 1.6 and 3.5 GHz, 16 threads. Generic 25 W base and 80 W maximum turbo power are not the laptop setting.

CPU cores

10=CalculatedFrom Core configuration

16=CalculatedFrom Core configuration

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

0=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.

6=CalculatedFrom Core configuration

12=CalculatedFrom Core configuration

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

Not available

163Maker product pageintel.com/content/www/us/en/products/sku/245529/intel-core-ultra-9-processor-386h-18m-cache-up-to-4-90-ghz/specifications.htmlRead 10 October 2026

Max boost clock

Not available

4.9GHz=CalculatedFrom Core configuration

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

Not available

18MB3Maker product pageintel.com/content/www/us/en/products/sku/245529/intel-core-ultra-9-processor-386h-18m-cache-up-to-4-90-ghz/specifications.htmlRead 10 October 202618 MB Intel Smart Cache. Launch date listed as Q1'26.

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/2025/10/apple-unleashes-m5-the-next-big-leap-in-ai-performance-for-apple-siliconRead 7 October 2026Exact M5 chip maker launch states third-generation 3-nanometer technology. The 2026 Air maker specification identifies this M5. No unstated foundry/node suffix or other package-component process inferred. Later super-core naming does not change this original silicon process claim.

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

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

50TOPS1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026Intel NPU up to 50TOPS.

Graphics

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

No4Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026The Chip section specifies the integrated GPU in the Apple silicon SoC. No discrete GPU is supplied in this configuration.

No1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 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 M5 10-core GPU4Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026

Intel Graphics1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026Graphics: Intel Graphics. No separate graphics chip is listed.

Memory

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

16GB4Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026Memory section: Standard 16 GB unified memory, paired with 512 GB SSD and 10-core GPU.

32GB1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 202632GB LPDDR5X on board. Max total system memory up to 32GB.

RAM type

LPDDR5X18Spec databasepreisvergleich.heise.de/apple-macbook-air-15-m5-mdvq4d-a-a3749848.htmlRead 7 October 2026Exact German Sky Blue MDVQ4D/A 2026 15-inch M5, 10 CPU/10 GPU, 16 GB, 512 GB reference RAM table explicitly LPDDR5X. Independently reopened Heise/Geizhals specification database after original Swedish retailer URL failed. Only installed memory type used. German keyboard, adapter and barcode not inherited. Transfer rate and unrelated NPU claim not inferred into scalar fields.

LPDDR5X1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026

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

Not available

8,533MT/s4Reviewultrabookreview.com/74670-asus-zenbook-s14-gen2-reviewRead 10 October 202632 GB LPDDR5X-8533, soldered. The maker publishes no data rate.

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.

Soldered7Reviewnotebookcheck.net/Apple-MacBook-Air-15-M5-Review-Very-powerful-fanless-and-without-competition.1244905.0.htmlRead 5 October 2026Verdict / Cons: no maintenance options, RAM and SSD soldered. This is a model-wide hardware claim, not the reviewed memory capacity.

Soldered1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026LPDDR5X on board.

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.

32GB4Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026

32GB1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026

Storage

5 of 7 differ

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

512GB4Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026Storage uses decimal GB. 1 TB equals 1000 GB. Only the base SSD is represented.

1TB1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026

Storage type

NVMe SSD4Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026Maker Storage row states the broad SSD category. Exact matching 16 GB/512 GB LaptopMedia review identifies the compatible NVMe subtype and AP0512Z. Protocol detail comes from the review, not this maker row.20Reviewlaptopmedia.com/review/apple-macbook-air-15-3-m5-the-best-15-inch-laptop-for-everyday-useRead 7 October 2026Exact tested 512 GB unit arrived with Apple SSD AP0512Z. Storage section explicitly calls it a soldered, non-upgradable NVMe drive. Compatible subtype refines maker broader SSD claim without contradicting it. Larger Notebookcheck 2 TB drive data is not used. No M.2 slot inferred.

NVMe SSD1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026

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

47Reviewnotebookcheck.net/Apple-MacBook-Air-15-M5-Review-Very-powerful-fanless-and-without-competition.1244905.0.htmlRead 5 October 2026Storage Devices section explicitly identifies the base 512 GB SSD as PCIe 4.0. The reviewed 2 TB drive measurements are excluded.

41Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 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 15-inch (M5, 2026)

Not available

BASUS Zenbook S 14 (2026) UX5406AA

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

Source1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 20261x M.2 2280 PCIe 4.0x4 (includes used), 1TB M.2 NVMe PCIe 4.0 SSD installed.4Reviewultrabookreview.com/74670-asus-zenbook-s14-gen2-reviewRead 10 October 2026Single M.2 2280 slot for a 1 TB Samsung PM9C1b PCIe Gen 4 SSD.

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

3 of 7 differ

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

AApple MacBook Air 15-inch (M5, 2026)

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

Source3Owner's manualsupport.apple.com/guide/macbook-air/take-a-tour-of-macbookair-apd7e765329d/2026/mac/27Read 5 October 2026Tour illustrations establish physical connector sides. Protocols and counts also use the matching tech sheet.4Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026Charging and Expansion: two physical Thunderbolt 4 USB-C connectors with DisplayPort and charging, at up to 40 Gbps. Sides come from the tour manual.

BASUS Zenbook S 14 (2026) UX5406AA

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

Source1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 20262x Thunderbolt 4 with display and power delivery (data speed up to 40Gbps), 1x USB 3.2 Gen 2 Type-A (up to 10Gbps), 1x 3.5mm combo audio jack, 1x HDMI 2.1 TMDS. Fast-charge capable with a 100W USB-C power delivery adapter. Sides come from Ultrabookreview.4Reviewultrabookreview.com/74670-asus-zenbook-s14-gen2-reviewRead 10 October 2026Left: 2x USB-C Thunderbolt 4, HDMI 2.1 TMDS, 3.5 mm jack. Right: 1x USB-A 3.2 Gen 2.

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

100W=CalculatedFrom Ports

Wireless

1 of 5 differ

Wi-Fi

Wi-Fi 74Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026

Wi-Fi 71Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026

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

2.4 GHz, 5 GHz, 6 GHz14Maker product pagesupport.apple.com/en-us/148165Read 7 October 2026Exact current Wi-Fi 7 support guide lists MacBook Air M5 or later among models supporting all features and states 2.4/5/6 GHz. 6 GHz operation only where unlicensed use permitted. US reference scope retained. No universal market/regulatory promise.

2.4 GHz, 5 GHz, 6 GHz1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026Wi-Fi 7 (802.11be) triple band 2*2 wireless card.

Wi-Fi module

Apple N14Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026

Intel BE2014Reviewultrabookreview.com/74670-asus-zenbook-s14-gen2-reviewRead 10 October 2026Intel BE201 Wi-Fi 7 (2x2).

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

6.04Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026Apple writes Bluetooth 6, stored as 6.0.

6.01Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026Bluetooth 6.0. Ultrabookreview says Bluetooth 5.4. The maker value is stored.

Cellular

Not available

Not available

Keyboard and touchpad

7 of 8 differ

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

ANSI, ISO4Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026Keyboard section explicitly publishes 78 ANSI or 79 ISO keys. No regional sold SKU rows are inferred.

Not available

Key switches

Scissor19Reviewtbreak.com/macbook-air-15-m5-review-uaeRead 7 October 2026Exact 2026 MacBook Air 15 M5 hands-on review Design and Build explicitly identifies scissor-switch keyboard. Only common installed mechanism is used. Regional price, adapter and sample performance are not transferred.

Not available

Keyboard backlightiA maker-confirmed backlight with no published type uses backlit_unspecified. Do not infer white lighting, a single colour or RGB from backlit alone. A single-zone RGB backlight is RGB zones.

Backlit, type not stated4Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026Exact 15-inch model tech sheet Keyboard and Trackpad section explicitly states Backlit Magic Keyboard. Backlight colour and illumination type are not stated. No white, single-colour or RGB lighting inferred.

Single colour4Reviewultrabookreview.com/74670-asus-zenbook-s14-gen2-reviewRead 10 October 2026White backlight.

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

No20Reviewlaptopmedia.com/review/apple-macbook-air-15-3-m5-the-best-15-inch-laptop-for-everyday-useRead 7 October 2026Exact reference review Design section explicitly says no NumPad. Dedicated numeric keypad only, not keyboard number row.

Not available

Key traveliPhysical key travel distance, not actuation distance.

Not available

1.1mm1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026Backlit Chiclet Keyboard, 1.1mm Key-travel.

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

Not available

Not available

Touchpad size

Width150Height91mm(5.9 × 3.6 in)20Reviewlaptopmedia.com/review/apple-macbook-air-15-3-m5-the-best-15-inch-laptop-for-everyday-useRead 7 October 2026Exact reference Design section states roughly 150 x 91 mm trackpad. Published approximate width x height. No conversion from rounded inches.

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.

Haptic5Owner's manualsupport.apple.com/en-gb/102309Read 5 October 2026Force Touch trackpads provide haptic feedback and force click. The matching model tech sheet names Force Touch as the installed trackpad.

Not available

Camera and audio

6 of 7 differ

Webcam

12 MP Center Stage, 1080p video4Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026

1080p FHD1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 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

Yes1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 20264Reviewultrabookreview.com/74670-asus-zenbook-s14-gen2-reviewRead 10 October 2026IR camera for Windows Hello.

Webcam privacy

Not available

None4Reviewultrabookreview.com/74670-asus-zenbook-s14-gen2-reviewRead 10 October 2026No 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.

64Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026

44Reviewultrabookreview.com/74670-asus-zenbook-s14-gen2-reviewRead 10 October 2026Quad speakers: 2 woofers and 2 tweeters.

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 microphone mode, Wide Spectrum microphone mode, Spatial Audio with dynamic head tracking using supported AirPods models4Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026Exact model Audio section explicitly lists Voice Isolation and Wide Spectrum microphone modes, alongside Spatial Audio and Dolby Atmos. Dynamic head tracking requires supported AirPods, AirPods Pro or AirPods Max. It is not an unconditional built-in-speaker feature.

Smart Amp Technology, AI Noise Canceling1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026Smart Amp Technology in the audio row and AI Noise Canceling in the MyASUS features list.

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

34Maker product pagesupport.apple.com/en-us/126321Read 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.

66.5Wh4Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026Battery and Power section.

77Wh1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 202677WHrs, 4S1P, 4-cell Li-ion.

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 15-inch (M5, 2026)

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

Source4Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026Battery and Power maker maximum claims. Test: 15-inch M5, 10-core CPU and GPU, 16 GB / 512 GB, matches base. Wi-Fi browsing 25 popular sites or 1080p streaming in Safari. Display eight clicks from bottom, keyboard backlight off. These are not independent measurements.

BASUS Zenbook S 14 (2026) UX5406AA

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.

40W4Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026Battery and Power / In the Box: 40W nominal Dynamic Power Adapter, with temporary output up to 60W. This is not the laptop maximum charging input.

68W1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026TYPE-C, 68W AC Adapter, 20V DC, 3.4A. Ultrabookreview calls it a 65 W charger. The maker value is stored. Whether a charger is included varies by country, region and model.

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.

MagSafe4Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026

USB-C1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026Type-C adapter with a Type-C cable.

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

30min17Maker product pagesupport.apple.com/en-us/102378Read 7 October 2026Claim up to 50 percent in around 30 minutes. January 2026 test footnote explicitly matches 15-inch M5 10 CPU/10 GPU, 16 GB / 512 GB. Requires separately supplied 70 W Apple adapter A2743 and MagSafe 3 cable A2363, beyond included 40 W Dynamic adapter with 60 W temporary maximum. Drained battery. Timer from wake from hibernate or Apple logo at startup. Conditions vary. Secondary retailer 35-minute copy is overridden by maker 30-minute claim.

Not available

Cooling

2 of 4 differ

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

01Press releaseapple.com/newsroom/2026/03/apple-introduces-the-new-macbook-air-with-m5Read 5 October 2026

Not available

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

Not available

Not available

Liquid metaliComponents where the maker confirms liquid-metal thermal material. Ordinary thermal paste is excluded.

Not available

Not available

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

AApple MacBook Air 15-inch (M5, 2026)

Name
Automatic
Low Power Mode

Source16Maker product pagesupport.apple.com/en-us/101613Read 7 October 2026Current maker power-mode support: Low Power Mode for 2024-or-later MacBook Air. Automatic is default. High Power eligibility list does not include Air, so only positively supported Automatic and Low Power names stored. No configured watts inferred from measured CPU consumption.

BASUS Zenbook S 14 (2026) UX5406AA

Not available

Security

1 of 4 differ

Fingerprint

Power button3Owner's manualsupport.apple.com/guide/macbook-air/take-a-tour-of-macbookair-apd7e765329d/2026/mac/27Read 5 October 2026Top view explicitly identifies Touch ID (power) button.

None4Reviewultrabookreview.com/74670-asus-zenbook-s14-gen2-reviewRead 10 October 2026No fingerprint sensor. IR camera 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 Tahoe1Press releaseapple.com/newsroom/2026/03/apple-introduces-the-new-macbook-air-with-m5Read 5 October 2026The Power of macOS Tahoe section. Launch operating system, not the currently installed OS.

Windows 11 Home1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026Windows 11 Home.

OS family

macOS4Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026

Windows1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 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

6 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.

517nits21Measurementlaptopmedia.com/review/apple-macbook-air-15-3-m5-the-best-15-inch-laptop-for-everyday-useRead 7 October 2026Exact 16 GB / 512 GB test unit, native 15.3-inch 2880 x 1864 IPS 60 Hz panel. Brightness and Contrast section reports maximum SDR luminance 517 cd/m² at centre. Color-temperature test uses white screen at maximum brightness. Instrument and luminance window size unstated. Direct curl 403, readable public web review used.

500.67nits5Measurementultrabookreview.com/74670-asus-zenbook-s14-gen2-reviewRead 10 October 2026Maximum center brightness 500.67 cd/m2 measured by the reviewer. Review unit UX5406AA with Core Ultra 9 386H, 32 GB RAM and 1 TB SSD.

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

500nits21Measurementlaptopmedia.com/review/apple-macbook-air-15-3-m5-the-best-15-inch-laptop-for-everyday-useRead 7 October 2026Same matching review reports 500 cd/m² average across surface, maximum deviation 8 percent. Point count and instrument unstated. Different uniformity graphic is measured at 185 nits/60 percent slider and is not substituted for maximum average.

Not available

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

1,410:121Measurementlaptopmedia.com/review/apple-macbook-air-15-3-m5-the-best-15-inch-laptop-for-everyday-useRead 7 October 2026Same matching Brightness and Contrast section measured 1410:1. Stored ratio 1410. SDR luminance is reported in the same section. Contrast picture mode, pattern/window and instrument unspecified. No maker contrast claim substituted.

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%21Measurementlaptopmedia.com/review/apple-macbook-air-15-3-m5-the-best-15-inch-laptop-for-everyday-useRead 7 October 2026Same matching display gamut test computes 100 percent sRGB coverage. Target named explicitly. Display P3 result 99 percent is not DCI-P3 and is omitted from DCI field. Gamut volume not substituted. Instrument unspecified.

100%5Measurementultrabookreview.com/74670-asus-zenbook-s14-gen2-reviewRead 10 October 2026100% sRGB.

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

Not available

100%5Measurementultrabookreview.com/74670-asus-zenbook-s14-gen2-reviewRead 10 October 2026100% DCI-P3.

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

Not available

Not available

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

No21Measurementlaptopmedia.com/review/apple-macbook-air-15-3-m5-the-best-15-inch-laptop-for-everyday-useRead 7 October 2026Same matching Health Impact PWM test measures intensity over time at different brightness levels and states backlight not pulse-width modulated. Reviewer detection result only. Instrument bandwidth and exact sweep limits unstated, not a proof of every frequency range.

Yes5Measurementultrabookreview.com/74670-asus-zenbook-s14-gen2-reviewRead 10 October 2026PWM is present. The review gives no frequency or brightness range.

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.

25.2ms21Measurementlaptopmedia.com/review/apple-macbook-air-15-3-m5-the-best-15-inch-laptop-for-everyday-useRead 7 October 2026Same matching pixel response method black-to-white and white-to-black, 10 to 90 percent amplitude, combined fall plus rise 25.2 ms. Gray-to-gray 50/80 percent method described but no readable numeric result, so GTG field stays empty.

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

6 of 8 differ

Cinebench 2024 single-coreiMeasured by a reviewer, not claimed by the maker

Not available

123points5Measurementultrabookreview.com/74670-asus-zenbook-s14-gen2-reviewRead 10 October 2026Performance mode (28 W).

Cinebench 2024 multi-coreiMeasured by a reviewer, not claimed by the maker

Not available

922points5Measurementultrabookreview.com/74670-asus-zenbook-s14-gen2-reviewRead 10 October 202610-minute run, Performance mode.

Geekbench 6 single-coreiMeasured by a reviewer, not claimed by the maker. Geekbench 6 only. Geekbench 5 and 7 use other scales, so their scores are not stored.

Not available

2,825points5Measurementultrabookreview.com/74670-asus-zenbook-s14-gen2-reviewRead 10 October 2026Geekbench 6.3.2, Performance mode.

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

16,506points5Measurementultrabookreview.com/74670-asus-zenbook-s14-gen2-reviewRead 10 October 2026Geekbench 6.3.2, Performance mode.

3DMark Time Spy graphicsiMeasured by a reviewer, not claimed by the maker. Graphics score, not the overall score. A score the review does not label as graphics is left out.

Not available

3,095points5Measurementultrabookreview.com/74670-asus-zenbook-s14-gen2-reviewRead 10 October 2026Time Spy overall 3478, graphics 3095, CPU 11684. Performance mode.

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 15-inch (M5, 2026)

Not available

BASUS Zenbook S 14 (2026) UX5406AA

Game	Width (px)	Height (px)	Preset	Average FPS	1 % low FPS
Cyberpunk 2077	1920	1200	Low	24	12
Far Cry 6	1920	1200	Low, TAA	46	Not available
Horizon Forbidden West	1920	1200	Very Low	48	Not available
Shadow of the Tomb Raider	1920	1200	Lowest	62	Not available
The Witcher 3	1920	1200	Low	77	Not available

Source5Measurementultrabookreview.com/74670-asus-zenbook-s14-gen2-reviewRead 10 October 20261920x1200, Performance mode, average fps. The Cyberpunk 2077 result lists a 1% low. Settings as listed in the review.

Measured noise and temperature

3 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 15-inch (M5, 2026)

Not available

BASUS Zenbook S 14 (2026) UX5406AA

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

Source5Measurementultrabookreview.com/74670-asus-zenbook-s14-gen2-reviewRead 10 October 2026Head-level noise by power mode from the review: Performance about 45 dBA, Standard about 35 dBA, Whisper under 30 dBA. The workload is not named, so max load is an assumption of the load class. Whisper is not stored.

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

82°C21Measurementlaptopmedia.com/review/apple-macbook-air-15-3-m5-the-best-15-inch-laptop-for-everyday-useRead 7 October 2026Matching Temperatures and Comfort long test: 100 percent CPU load for 30 minutes, Avg. CPU Temp 82°C. Peak 96°C is separately reported and not substituted for this average. Sensor/software and macOS version/power mode unspecified. P-core-only 2197 MHz average is not whole-CPU clock and is omitted. This field is not a peak-only temperature field. The published 30-minute average is explicitly retained.

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 15-inch (M5, 2026)

Test	Brightness (nits)	Power mode	Hours (h)
Video playback	180	Low Power Mode	15.78

Source21Measurementlaptopmedia.com/review/apple-macbook-air-15-3-m5-the-best-15-inch-laptop-for-everyday-useRead 7 October 2026Matching Battery Life test: Low Power Mode selected in System Settings, video playback at 180 nits, SDR, 100 to 0 percent discharge, 15 h 47 min. 947 minutes divided by 60 is 15.783 hours, stored rounded to two decimals. Video codec/resolution, player, networking and macOS version unstated. EU sample has no included adapter. None of its regional bundle facts changes the US box.

BASUS Zenbook S 14 (2026) UX5406AA

Test	Brightness (nits)	Power mode	Hours (h)
Video streaming	120	Whisper	15

Source5Measurementultrabookreview.com/74670-asus-zenbook-s14-gen2-reviewRead 10 October 2026Netflix fullscreen in Edge, Whisper mode, screen at 50% (about 120 nits), 60 Hz on battery, Windows Best Power Efficiency, 5 W draw, about 15 hours.

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

Not available

Not available

Video runtimeiMeasured by a reviewer, not claimed by the maker

15.78h=CalculatedFrom Battery runtime per test

15h=CalculatedFrom Battery runtime per test

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.

27W21Measurementlaptopmedia.com/review/apple-macbook-air-15-3-m5-the-best-15-inch-laptop-for-everyday-useRead 7 October 2026Same matching 30-minute 100 percent CPU-load table: Avg. CPU Power 27 W. Observed sustained-test average, not configured TDP or wall draw. Meter/sensor, macOS and power mode unspecified. 10-second 40 W and peak 45 W are different test windows and excluded. Independent verification confirms table and prose repeat the 30-minute average. A different upgraded 32 GB/2 TB combined CPU/GPU review is not a directly comparable CPU-only result. Outlier and sensor limits retained.

28W5Measurementultrabookreview.com/74670-asus-zenbook-s14-gen2-reviewRead 10 October 2026Sustained power in Performance mode: 28 W. Standard about 17 W, Whisper about 12 W.

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

Not available

Not available

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

Not available

Not available

Certifications

4 of 6 differ

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

Not available

Not available

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

Not available

Yes1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026The page title is ASUS Zenbook S14 (UX5406) Copilot+ PC.

Colour certifications

Not available

Pantone Validated1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026PANTONE Validated. The page does not say factory calibrated.

ENERGY STAR

Yes4Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026

Yes1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026Ecolabels and Compliances: REACH, RoHS, Energy star.

EPEAT

Gold15Certification listepeat.net/computers-and-displays-search-result/page-1/size-25Read 7 October 2026Official exact row Apple MacBook Air 15-inch (M5), Notebook, United States, Gold, registered 2026-03-11, Active. Covers this 15-inch base hardware under defined US family registration. Not universal country rating.

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Other certifications

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TÜV Rheinland-certified, SGS Eye Care Display1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026TÜV Rheinland-certified and SGS Eye Care Display, both listed in the display row.

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.

15-inch MacBook Air, 40W Dynamic Power Adapter with 60W Max, USB-C to MagSafe 3 Cable (2 m)4Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026US tech-sheet In the Box. Other markets can omit the adapter.

Sleeve1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026Sleeve. Included accessories vary according to country and territory.

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

Yes4Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026

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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.

1year12Maker product pageapple.com/legal/warranty/products/embedded-mac-warranty-us.htmlRead 7 October 2026Original new US Mac one-year limited manufacturer hardware warranty from original retail purchase. This is the US reference market only. AppleCare, retailer guarantees and statutory rights excluded.

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

Carry-in, Mail-in12Maker product pageapple.com/legal/warranty/products/embedded-mac-warranty-us.htmlRead 7 October 2026US Warranty Service Options: carry-in at Apple Retail/AASP and mail-in if Apple determines eligibility. Apple chooses appropriate service. DIY parts option cannot be represented by enum.

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Links

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Product page

www.apple.com/newsroom/2026/03/apple-introduces-the-new-macbook-air-with-m51Press releaseapple.com/newsroom/2026/03/apple-introduces-the-new-macbook-air-with-m5Read 5 October 2026

www.asus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux54062Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406Read 10 October 2026ASUS Singapore product page of the Zenbook S 14 (UX5406) family.

Spec sheet

support.apple.com/en-us/1263214Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026

www.asus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspec1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026

Manual

support.apple.com/guide/macbook-air/take-a-tour-of-macbookair-apd7e765329d/2026/mac/273Owner's manualsupport.apple.com/guide/macbook-air/take-a-tour-of-macbookair-apd7e765329d/2026/mac/27Read 5 October 2026

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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.