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Apple MacBook Air 15-inch (M5, 2026) vs ASUS Zenbook DUO (2026) UX8407AA-DS99T

A

Product A: Apple

MacBook Air 15-inch (M5, 2026)

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B

Product B: ASUS

Zenbook DUO (2026) UX8407AA-DS99T

81 of 179 known

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Only differences

AApple MacBook Air 15-inch (M5, 2026)

BASUS Zenbook DUO (2026) UX8407AA-DS99T

General

6 of 9 differ

Series

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

Zenbook2Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407Read 13 October 2026Zenbook line.

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.

UX8407AA-DS99T1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026The US tech spec tab shows one UX8407AA column with several CPU and storage options. The exact DS99T row is in the US press release and the ASUS Store listing.

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

7 January 20264Press releasepress.asus.com/news/press-releases/asus-zenbook-duo-2026Read 13 October 2026Announcement dated January 7, 2026 in Taipei.

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.

Available5Maker product pageeshop.asus.com/us/90nb16v1-m00j80-asus-zenbook-duo-ux8407-copilot-pc.htmlRead 13 October 2026ASUS Store listing for UX8407AA-DS99T (part 90NB16V1-M00J80) 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 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.

Not available

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

Not available

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.

$2,499.993Press releaseasus.com/us/news/the-all-new-zenbook-duo-is-now-available-for-pre-order-in-the-united-statesRead 13 October 2026MSRP $2,499.99 for UX8407AA-DS99T. The X9 model UX8407AA-PSX9T is $2,699.99.

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

US3Press releaseasus.com/us/news/the-all-new-zenbook-duo-is-now-available-for-pre-order-in-the-united-statesRead 13 October 2026US pre-order announcement from ASUS USA.

ColoursiThe maker's own colour names

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

Moher Gray1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026Color Moher 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.

Ultrabook2Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407Read 13 October 2026Maker FAQ describes it as a portable, premium thin and light dual-screen device.

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.

Dual screen2Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407Read 13 October 2026Dual-screen laptop with two 14 inch displays and a detachable Bluetooth keyboard.

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.

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

Width310.1Depth208.6Thickness (min)19.6Thickness (max)23.4mm(12.2 × 8.2 × 0.8 to 0.9 in)1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 202631.01 x 20.86 x 1.96 ~ 2.34 cm with the keyboard attached.

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

1.65kg(3.6 lb)1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 20261.65 kg (3.64 lbs) with the keyboard attached. The global press release gives 1.35 kg without the keyboard.

Lid material

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

Other2Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407Read 13 October 2026Full Ceraluminum chassis. No enum option fits, so other is stored.

Bottom material

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

Other2Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407Read 13 October 2026Full Ceraluminum chassis. No enum option fits, so other is stored.

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.

Not available

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

Not available

Yes1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026US MIL-STD 810H military-grade standard. Tests 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/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026Each of the two displays is 14 inch.

Native resolution

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

2880 × 1800px1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 20263K (2880 x 1800) OLED 16:10, each display.

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/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026

Backlight

Not available

None (self-emissive)1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 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

Not available

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

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.

Not available

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/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026

Stylus

Not available

Included1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026With stylus support. The US bundle includes the ASUS Pen.

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 DUO (2026) UX8407AA-DS99T

Width (px)	Height (px)	Maximum operating refresh (Hz)	VRR
2880	1800	144	Yes

Source1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026Both displays 144Hz. The global press release states 48-144Hz VRR.

Max refresh rate

60Hz=CalculatedFrom Refresh rate modes

144Hz=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

500nits1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026500nits SDR.

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

1,000nits1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 20261000nits 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%1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026100% DCI-P3 color gamut.

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/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 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

Screen size14 inResolution2880 × 1800 pxTouchscreenYes1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026Dual 14 inch 3K OLED touch screens. The lower display is the second display.

Processor

12 of 14 differ

Processor

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

Intel Core Ultra 9 386H1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026

Processor brand

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

Intel1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/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 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 DUO (2026) UX8407AA-DS99T

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

Source6Maker 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 13 October 20264 P-cores 2.1/4.9 GHz, 8 E-cores 1.6/3.7 GHz, 4 LP E-cores 1.6/3.5 GHz. Generic base 25 W and turbo 80 W are not the laptop limits.

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

166Maker 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 13 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

18MB6Maker 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 13 October 202618 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/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

45W2Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407Read 13 October 2026Up to 45W TDP sustained. The Engadget review also says ASUS limits the TDP to 45 watts.

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/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/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.

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/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/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 M5 10-core GPU4Maker product pagesupport.apple.com/en-us/126321Read 8 October 2026

Intel Graphics1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026Graphics row lists Intel Graphics and Intel Arc Graphics. The DS99T has the 386H with Intel Graphics.

Memory

1 of 9 differ

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/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026

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/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/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.

Not available

Not available

Memory channelsiActive memory channels of the installed configuration, not the number of RAM modules or slots. One installed module is one channel. This holds for DDR5 too, whose two 32-bit subchannels on one module do not count as two channels. Soldered LPDDR memory counts in 64-bit units, so a 128-bit bus is 2 channels, even when a maker calls it quad-channel.

Not available

Not available

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

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/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/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.

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

32GB1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026Memory row: 32GB LPDDR5X on board, max total system memory up to 32GB.

Storage

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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/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 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/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 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/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 20261TB M.2 NVMe PCIe 4.0 SSD.

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 DUO (2026) UX8407AA-DS99T

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

Source1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026Expansion slots row: 1x M.2 2280 PCIe 4.0x4 (includes used). The installed SSD uses it. Regional ASUS pages show the same row.

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 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 DUO (2026) UX8407AA-DS99T

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

Source1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026I/O row: 2x Thunderbolt 4 with support for display and power delivery (up to 40Gbps), 1x USB 3.2 Gen 2 Type-A, 1x 3.5mm combo audio jack. The press releases add 1x HDMI 2.1 FRL. Port sides are not published by the maker.

USB-C ports

2=CalculatedFrom Ports

2=CalculatedFrom Ports

Thunderbolt

Yes=CalculatedFrom Ports

Yes=CalculatedFrom Ports

Highest HDMI version

Not available

HDMI 2.1 FRL=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

2 of 5 differ

Wi-Fi

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

Wi-Fi 71Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/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 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/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026Wi-Fi 7 (802.11be) triple band 2*2. 6GHz availability varies by country.

Wi-Fi module

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

Not available

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

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

5.41Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026

Cellular

Not available

Not available

Keyboard and touchpad

6 of 8 differ

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

ANSI, 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.

Backlit, type not stated1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026Backlit chiclet soft keyboard. Zones and color are not stated.

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

1.7mm1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026Backlit Chiclet Soft Keyboard, 1.7mm key travel. The detachable keyboard is Bluetooth.

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.

Width127Height79mm(5 × 3.1 in)2Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407Read 13 October 2026

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

4 of 7 differ

Webcam

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

FHD1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026

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/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026FHD camera with IR function to support Windows Hello.

Webcam privacy

Not available

Not available

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

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

61Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026The product page says six speakers. The tech spec lists built-in speakers with Smart Amp Technology.

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.

Dolby Atmos, Smart Amp Technology1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026Smart Amp Technology. Dolby Atmos is named in the press release and on the product page.

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.

99Wh1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/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 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 DUO (2026) UX8407AA-DS99T

Use case	Hours (h)
Video playback	32
Web browsing	18

Source2Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407Read 13 October 2026Single screen up to 32 hours local video playback and 18 hours web browsing. With both displays up to 18 and 12 hours. ASUS test November 2025 on a UX8407AA with a 3K OLED, Intel Core Ultra X9, 2 TB SSD, 32 GB RAM, Balanced power plan, 150 cd/m2, 60 Hz, wallpaper on the second panel. The tested configuration differs from the DS99T.

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.

100W1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026TYPE-C, 100W AC Adapter, output 20V DC 5A.

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/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/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.

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 DUO (2026) UX8407AA-DS99T

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.

Not available

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/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026Windows 11 Pro is also listed for the family. The DS99T row is Windows 11 Home.

OS family

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

Windows1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/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

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.

Not available

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.

Not available

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

Not available

Not available

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

Not available

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.

Not available

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

Not available

Not available

PWM at or below brightnessiHighest display brightness setting at or below which the documented PWM is detected.

Not available

Not available

Response black to white (measured)iReviewer combined rise and fall response for black-to-white-to-black, with test conditions in the source note.

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

None of 8 known

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

Not available

3DMark Steel NomadiMeasured by a reviewer, not claimed by the maker

Not available

Not available

SSD sequential read (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

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

Not available

Not available

Measured noise and temperature

1 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.

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

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 DUO (2026) UX8407AA-DS99T

Not available

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

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.

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.

Not available

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

Not available

Not available

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

Not available

Not available

Certifications

4 of 6 differ

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

Not available

Not available

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

Not available

Yes1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026The tech spec page title is ASUS Zenbook DUO (UX8407), Copilot+ PC.

Colour certifications

Not available

Pantone Validated1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026PANTONE Validated.

ENERGY STAR

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

Yes1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026Ecolabels and compliances: RoHS and 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.

Not available

Other certifications

Not available

RoHS, Dolby Vision (displays)3Press releaseasus.com/us/news/the-all-new-zenbook-duo-is-now-available-for-pre-order-in-the-united-statesRead 13 October 2026The release calls the dual displays Dolby Vision-certified, with 48-144Hz VRR. RoHS is from the tech spec.

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.

ASUS Pen 3.0 stylus with wireless charger, ASUS Zenbook laptop sleeve3Press releaseasus.com/us/news/the-all-new-zenbook-duo-is-now-available-for-pre-order-in-the-united-statesRead 13 October 2026Bundle row: ASUS Pen 3.0 with Wireless Charger and ASUS Zenbook Laptop Sleeve. The ASUS tech spec lists the same two items and says accessories vary by country.

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

Not available

Warranty

1 of 2 differ

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

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.

1year5Maker product pageeshop.asus.com/us/90nb16v1-m00j80-asus-zenbook-duo-ux8407-copilot-pc.htmlRead 13 October 20261 year international manufacturer warranty plus 1 year accidental protection when registered within 60 days of purchase. The 1 year manufacturer term is stored.

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.

Not available

Links

Not compared

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/us/laptops/for-home/zenbook/asus-zenbook-duo-ux84072Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407Read 13 October 2026

Spec sheet

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

www.asus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspec1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 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

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.