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ASUS Zenbook A14 UX3407NA (Snapdragon X2 Elite) vs ASUS Zenbook DUO (2026) UX8407AA-DS99T

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Product A: ASUS

Zenbook A14 UX3407NA (Snapdragon X2 Elite)

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B

Product B: ASUS

Zenbook DUO (2026) UX8407AA-DS99T

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Every value links to where we found it.

Only differences

AASUS Zenbook A14 UX3407NA (Snapdragon X2 Elite)

BASUS Zenbook DUO (2026) UX8407AA-DS99T

General

5 of 9 differ

Series

Zenbook A141Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 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.

UX3407NA-PS773Press releaseglobenewswire.com/news-release/2026/04/07/3269204/0/en/ASUS-Announces-All-New-Zenbook-Lineup-Now-Available-in-the-United-States.htmlRead 5 October 2026UX3407NA-PS77: Snapdragon X2 Elite X2E-88-100, 32 GB, 1 TB, Windows 11 Home, Zabriskie Beige.

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.

6 January 20268Press releasemarketscreener.com/news/asus-unveils-full-spectrum-ai-and-always-incredible-innovations-at-ces-2026-ce7e59dfdc8afe27Read 7 October 2026ASUS-authored original CES 2026 announcement identifies refreshed A14 with 18-core Snapdragon X2 Elite. Exact retained US PS77 availability remains April, not CES shipment.

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

Status

Available12Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/where-to-buyRead 7 October 2026Current maker exact UX3407NA-PS77 (90NB1711-M008X0) sale row is marked In Stock. Other PS77 part numbers are distinct rows. Current availability, not a future stock guarantee.

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.

ASUS Zenbook A14 UX3407QA (Snapdragon X Plus)15Reviewnotebookcheck.net/Asus-debuts-refreshed-Zenbook-A14-with-Snapdragon-X2-Elite-and-multi-day-battery.1196164.0.htmlRead 23 October 2026Notebookcheck calls the 2026 Zenbook A14 with Snapdragon X2 Elite a refresh of the previous-gen Zenbook A14 and names the earlier model its predecessor.

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.

$1,799.993Press releaseglobenewswire.com/news-release/2026/04/07/3269204/0/en/ASUS-Announces-All-New-Zenbook-Lineup-Now-Available-in-the-United-States.htmlRead 5 October 2026Exact UX3407NA-PS77 MSRP row: USD 1799.99, US sales tax 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.

Not available

Not available

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

US3Press releaseglobenewswire.com/news-release/2026/04/07/3269204/0/en/ASUS-Announces-All-New-Zenbook-Lineup-Now-Available-in-the-United-States.htmlRead 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

Zabriskie Beige3Press releaseglobenewswire.com/news-release/2026/04/07/3269204/0/en/ASUS-Announces-All-New-Zenbook-Lineup-Now-Available-in-the-United-States.htmlRead 5 October 2026

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

Segment

Ultrabook2Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407Read 7 October 2026Maker describes ultra-lightweight ultraportable model.

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

Clamshell4Owner's manualdlcdnets.asus.com/pub/ASUS/nb/UX3407NA/0409_E26797_UX3407NA_A.pdfRead 7 October 2026

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

2 of 6 differ

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

Width310.7Depth213.9Thickness (min)13.4Thickness (max)15.9mm(12.2 × 8.4 × 0.5 to 0.6 in)1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 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.

0.99kg(2.2 lb)1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 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

Other2Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407Read 7 October 2026Full Ceraluminum chassis, proprietary ceramic-aluminum treatment. Exact constituent alloy is not an enum.

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

Other2Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407Read 7 October 2026Full Ceraluminum chassis. Other preserves proprietary material wording.

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

Not available

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.

Yes1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 October 2026Maker MIL-STD-810H test claim. No assertion of passing every procedure.

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

12 of 25 differ

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

14in(35.6 cm)1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 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

1920 × 1200px1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 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

161.7ppi=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.

OLED1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 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.

Glossy14Reviewexpertreviews.co.uk/technology/laptops/asus-zenbook-a14-ux3407na-2026-reviewRead 7 October 2026Matching 2026 UX3407NA sample, X2E-88-100, 32 GB/1 TB and WUXGA 60 Hz OLED. Independent UltrabookReview explicitly identifies the non-glass model as glossy too. Regional keyboard and bundle facts are not inherited.

Not available

Touchscreen

No1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 October 2026

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.

AASUS Zenbook A14 UX3407NA (Snapdragon X2 Elite)

Width (px)	Height (px)	Maximum operating refresh (Hz)
1920	1200	60

Source1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 October 2026

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.

400nits11Maker product pageasus.com/us/storeRead 7 October 2026Maker ordinary display brightness for exact WUXGA 60 Hz OLED, separate from existing 600-nit HDR peak. No sustained-window duration published.

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.

600nits3Press releaseglobenewswire.com/news-release/2026/04/07/3269204/0/en/ASUS-Announces-All-New-Zenbook-Lineup-Now-Available-in-the-United-States.htmlRead 5 October 2026Exact PS77 FHD OLED 60 Hz display, 600-nit HDR peak.

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.

100%1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 October 2026Maker states 100% DCI-P3 color gamut. Coverage versus volume not identified.

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

DisplayHDR True Black 6006Retailer pagebestbuy.com/product/asus-zenbook-a14-14-oled-laptop-snapdragon-x2-elite-18-core-32gb-memory-1tb-ssd-copilot-pc-zebriskie-beige/JJGHGS73JQRead 5 October 2026Maker marketing image in exact PS77 gallery states DisplayHDR True Black 600.

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

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Processor

Qualcomm Snapdragon X2 Elite X2E-88-1001Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 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

Qualcomm1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 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.

AASUS Zenbook A14 UX3407NA (Snapdragon X2 Elite)

Core type	Count	Core	Max clock (GHz)
Prime	12	Qualcomm Oryon Prime	4.7
Performance	6	Qualcomm Oryon Performance	3.4

Source9Maker spec sheet (PDF)qualcomm.com/content/dam/qcomm-martech/dm-assets/documents/Snapdragon-X2-Elite-Product-Brief.pdfRead 7 October 2026Exact chip. Prime maximum 4.7 GHz is single-core and dual-core boost, while Prime multi-core maximum is 4.0 GHz. Performance multi-core maximum is 3.4 GHz. Prime cores use the prime core type. Total count remains 18, Performance count 6.

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

18=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.

6=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.

0=CalculatedFrom Core configuration

12=CalculatedFrom Core configuration

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

181Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 October 2026

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

4.7GHz=CalculatedFrom Core configuration

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.

3nm9Maker spec sheet (PDF)qualcomm.com/content/dam/qcomm-martech/dm-assets/documents/Snapdragon-X2-Elite-Product-Brief.pdfRead 7 October 2026Maker chip process node for the exact installed X2E-88-100. Different Snapdragon generations are excluded.

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.

80TOPS1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 October 2026

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.

No1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 October 2026

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

Qualcomm Adreno1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 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.

32GB3Press releaseglobenewswire.com/news-release/2026/04/07/3269204/0/en/ASUS-Announces-All-New-Zenbook-Lineup-Now-Available-in-the-United-States.htmlRead 5 October 2026

32GB1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026

RAM type

LPDDR5X1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 October 2026

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.

9,600MT/s3Press releaseglobenewswire.com/news-release/2026/04/07/3269204/0/en/ASUS-Announces-All-New-Zenbook-Lineup-Now-Available-in-the-United-States.htmlRead 5 October 2026Exact PS77 table states onboard LPDDR5X 9600. Matching Windows Central review lists 9523 MT/s. Maker claimed rate takes precedence.

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.

Soldered1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 October 2026

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.

32GB1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 October 202632 GB onboard option explicitly has maximum total 32 GB.

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

0 of 7 differ

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

1TB3Press releaseglobenewswire.com/news-release/2026/04/07/3269204/0/en/ASUS-Announces-All-New-Zenbook-Lineup-Now-Available-in-the-United-States.htmlRead 5 October 2026

1TB1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026

Storage type

NVMe SSD1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 October 2026

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.

41Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 October 2026

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.

AASUS Zenbook A14 UX3407NA (Snapdragon X2 Elite)

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-a14-ux3407/techspecRead 7 October 2026One M.2 2280 PCIe 4x4 slot, including occupied.

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

1=CalculatedFrom Storage slots

1=CalculatedFrom Storage slots

Free storage slots

0=CalculatedFrom Storage slots

0=CalculatedFrom Storage slots

Maximum slot PCIe generation

4=CalculatedFrom Storage slots

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.

AASUS Zenbook A14 UX3407NA (Snapdragon X2 Elite)

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

Source1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 October 2026Type/count/rate from NA column. Sides confirmed in model manual.4Owner's manualdlcdnets.asus.com/pub/ASUS/nb/UX3407NA/0409_E26797_UX3407NA_A.pdfRead 7 October 2026Exact UX3407NA printed pages 20–22 identify right USB-A Gen 2 and left HDMI, two USB4 and audio. Both USB4 support external display and charging. Page 68 EU 45–100 W delivered-charger requirement does not prove a per-connector accepted-input maximum. No charging_in_w stored.

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

No=CalculatedFrom Ports

Yes=CalculatedFrom Ports

Highest HDMI version

HDMI 2.1 TMDS=CalculatedFrom Ports

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

1 of 5 differ

Wi-Fi

Wi-Fi 71Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 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 GHz1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 October 2026Exact NA device Wi-Fi 7 triple-band card. Corresponding 2.4/5/6 GHz bands, 6 GHz availability depends on region, operating system and driver. Manual includes exact model FCC 5.925–7.125 GHz conditions.

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

Not available

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.

6.01Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 October 2026Current US NA column: Bluetooth 6.0, features depend on OS and driver. April launch listed 5.4. Current maker sheet takes precedence.

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

5 of 8 differ

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

Not available

Not available

Key switches

Not available

Not available

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

Single colour14Reviewexpertreviews.co.uk/technology/laptops/asus-zenbook-a14-ux3407na-2026-reviewRead 7 October 2026Matching beige 2026 NA keyboard. Single white color with three brightness positions, corroborated UltrabookReview white backlit keyboard. No RGB or old QA configuration 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.

No10Retailer pagebigapplebuddy.com/product/8/zenbook-a14-14-oled-laptop-snapdragon-x2-elite-32gb-memory-1tb-ssd-copilot-pc-zebriskie-beige/71516222Read 7 October 2026Dedicated physical numeric keypad is explicitly absent. Not a touchscreen numeric pad inference.

Not available

Key traveliPhysical key travel distance, not actuation distance.

1.3mm1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 October 2026

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

Width127Height80mm(5 × 3.1 in)14Reviewexpertreviews.co.uk/technology/laptops/asus-zenbook-a14-ux3407na-2026-reviewRead 7 October 2026Matching NA 32 GB/1 TB/FHD OLED review. Actual glass pad dimensions in width by height. Measurement tool unstated. Its mechanical click action agrees with the retained Windows Central physical description.

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.

Mechanical5Measurementwindowscentral.com/hardware/asus/asus-zenbook-a14-2026-reviewRead 5 October 2026Review calls glass touchpad mechanical.

Not available

Camera and audio

3 of 7 differ

Webcam

1080p FHD1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 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.

Yes1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 October 20264Owner's manualdlcdnets.asus.com/pub/ASUS/nb/UX3407NA/0409_E26797_UX3407NA_A.pdfRead 7 October 2026Page 17 explicitly identifies IR camera and Windows Hello face authentication.

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.

22Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407Read 7 October 2026Vision & Sound explicitly states dual super-linear speakers, two physical units.

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

Smart Amp Technology, Dolby Atmos, Snapdragon Sound1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 October 20266Retailer pagebestbuy.com/product/asus-zenbook-a14-14-oled-laptop-snapdragon-x2-elite-18-core-32gb-memory-1tb-ssd-copilot-pc-zebriskie-beige/JJGHGS73JQRead 5 October 2026Same maker image states Dolby Atmos and Snapdragon Sound. Smart Amp comes from maker specification separately.

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.

Not available

Not available

Battery and power

3 of 5 differ

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

70Wh1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 October 2026

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.

AASUS Zenbook A14 UX3407NA (Snapdragon X2 Elite)

Not available

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.

100W1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 October 20264Owner's manualdlcdnets.asus.com/pub/ASUS/nb/UX3407NA/0409_E26797_UX3407NA_A.pdfRead 7 October 2026Page 24 explicitly rated 20 V, 5 A, 100 W.

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.

USB-C1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 October 20264Owner's manualdlcdnets.asus.com/pub/ASUS/nb/UX3407NA/0409_E26797_UX3407NA_A.pdfRead 7 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.

30min2Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407Read 7 October 202650% in 30 minutes manufacturer fast-charge claim, 100 W USB-C adapter. Powered-off state not specified.

Not available

Cooling

2 of 4 differ

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

27Reviewultrabookreview.com/75029-asus-zenbook-a14-x2elite-reviewRead 7 October 2026Exact review title UX3407NA, 32 GB/1 TB non-glass FHD OLED hardware. Original maker E26800 service guide printed page 43 independently shows two separately connected physical fans, visually inspected. Numeric performance tests from this review are omitted because copied model/core/profile errors remain unresolved.13Owner's manualdlcdnets.asus.com/pub/ASUS/nb/UX3407NA/0409_E26800_UX3407NA_SM_A.pdfRead 7 October 2026Exact UX3407NA E26800 original service manual, printed page 43 shows removal of both left and right fans with separate electrical connections. This confirms the explicit dual-fan review statement.

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.

AASUS Zenbook A14 UX3407NA (Snapdragon X2 Elite)

Name
Performance

Source2Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407Read 7 October 2026Maker expressly names MyASUS Performance mode for this NA model family. No configured CPU limit inferred from reviewer estimates or generic chip power. Default and highest status are not asserted here.

BASUS Zenbook DUO (2026) UX8407AA-DS99T

Not available

Security

None of 4 known

Fingerprint

Not available

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

0 of 3 differ

Operating system

Windows 11 Home3Press releaseglobenewswire.com/news-release/2026/04/07/3269204/0/en/ASUS-Announces-All-New-Zenbook-Lineup-Now-Available-in-the-United-States.htmlRead 5 October 2026

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

Windows1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 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

1 of 12 differ

Brightness (measured, centre)iReviewer center-point SDR luminance for the matching display configuration. Do not substitute a review average or unspecified measurement.

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

100%5Measurementwindowscentral.com/hardware/asus/asus-zenbook-a14-2026-reviewRead 5 October 2026Colorimeter measurement explicitly states 100% sRGB coverage. Instrument unstated, P3 target unqualified and omitted.

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.

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Response grey to grey (measured)iReviewer combined rise and fall response between specified grey levels. State the levels in the source note.

Not available

Not available

Measured performance

5 of 8 differ

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

151points5Measurementwindowscentral.com/hardware/asus/asus-zenbook-a14-2026-reviewRead 5 October 2026Linked Cinebench 2024 chart: 151 single, 1411 multi, power profile unstated.

Not available

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

1,411points5Measurementwindowscentral.com/hardware/asus/asus-zenbook-a14-2026-reviewRead 5 October 2026Same Cinebench 2024 chart.

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.

3,797points5Measurementwindowscentral.com/hardware/asus/asus-zenbook-a14-2026-reviewRead 5 October 2026Linked Geekbench 6 chart: 3797 single, 19900 multi. Minor version, firmware and power profile unstated.

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.

19,900points5Measurementwindowscentral.com/hardware/asus/asus-zenbook-a14-2026-reviewRead 5 October 2026Same Geekbench 6 chart.

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

7,062MB/s5Measurementwindowscentral.com/hardware/asus/asus-zenbook-a14-2026-reviewRead 5 October 2026Linked CrystalDiskMark chart read 7062 MB/s. Version and queue depth unstated.

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

None of 9 known

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Measured battery and power

2 of 10 differ

Battery runtime per testiReviewer runtime for the exact test and configuration. Mixed browsing, video and graphics workloads are classified as mixed use.

AASUS Zenbook A14 UX3407NA (Snapdragon X2 Elite)

Test	Hours (h)
Video playback	23.63

Source5Measurementwindowscentral.com/hardware/asus/asus-zenbook-a14-2026-reviewRead 5 October 2026PCMark 10 local video loop: 23h 38min. Brightness and power mode unstated. This is a measurement, separate from maker over 33h claim.

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

23.63h=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.

Not available

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

3 of 6 differ

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

Not available

Not available

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

Yes1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 October 2026

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

Yes1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 October 2026ENERGY STAR 8.0 listed for NA.

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

EPEAT

Gold10Retailer pagebigapplebuddy.com/product/8/zenbook-a14-14-oled-laptop-snapdragon-x2-elite-32gb-memory-1tb-ssd-copilot-pc-zebriskie-beige/71516222Read 7 October 2026Exact US retailer EPEAT Gold claim, corroborated exact PS77 secondary configuration table. Registry model detail could not be independently located. No other regional qualification borrowed.

Not available

Other certifications

TÜV Rheinland low blue light, SGS Eye Care Display1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 October 2026Display certifications in NA column.

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.

ASUS Zenbook A14 Laptop, Sleeve, 100W AC Adapter, Warranty Card and Manual6Retailer pagebestbuy.com/product/asus-zenbook-a14-14-oled-laptop-snapdragon-x2-elite-18-core-32gb-memory-1tb-ssd-copilot-pc-zebriskie-beige/JJGHGS73JQRead 5 October 2026Features: Everything You Need, Stylishly expressly includes protective sleeve. Other box contents not enumerated.10Retailer pagebigapplebuddy.com/product/8/zenbook-a14-14-oled-laptop-snapdragon-x2-elite-32gb-memory-1tb-ssd-copilot-pc-zebriskie-beige/71516222Read 7 October 2026Literal US box list. Preserves previously proven protective sleeve. No pen, dock or regional accessories added.

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.

Yes10Retailer pagebigapplebuddy.com/product/8/zenbook-a14-14-oled-laptop-snapdragon-x2-elite-32gb-memory-1tb-ssd-copilot-pc-zebriskie-beige/71516222Read 7 October 2026Original exact US 32 GB/1 TB package includes 100 W adapter. Foreign no-charger configuration and generic recommended-adapter rating are not substituted.

Not available

Warranty

0 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.

1year10Retailer pagebigapplebuddy.com/product/8/zenbook-a14-14-oled-laptop-snapdragon-x2-elite-32gb-memory-1tb-ssd-copilot-pc-zebriskie-beige/71516222Read 7 October 2026Published US manufacturer parts and labor warranty. Separate optional or promotional one-year extensions and regional three-year packages are 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.

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Links

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Product page

www.asus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux34071Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 October 20262Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407Read 7 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

www.asus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspec1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-a14-ux3407/techspecRead 7 October 2026Use UX3407NA column, not QA/RA or glass-cover NA-CG.

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

dlcdnets.asus.com/pub/ASUS/nb/UX3407NA/0409_E26797_UX3407NA_A.pdf4Owner's manualdlcdnets.asus.com/pub/ASUS/nb/UX3407NA/0409_E26797_UX3407NA_A.pdfRead 7 October 2026UX3407NA English e-manual E26797, First Edition, December 2025.

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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.