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ASUS Zenbook DUO (2026) UX8407AA-DS99T vs LG gram Pro 17 (Core Ultra 7 355, 16 GB/512 GB)

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Product A: ASUS

Zenbook DUO (2026) UX8407AA-DS99T

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Product B: LG

gram Pro 17 (Core Ultra 7 355, 16 GB/512 GB)

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Only differences

AASUS Zenbook DUO (2026) UX8407AA-DS99T

BLG gram Pro 17 (Core Ultra 7 355, 16 GB/512 GB)

General

5 of 9 differ

Series

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

gram Pro 171Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 2026

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

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.

17Z90U-G.AU75U11Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 20265Maker product pagelg.com/us/support/product/lg-17Z90U-G.AU75U1Read 5 October 2026

GTIN / EAN

Not available

1951741467361Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 2026

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

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

Not available

Status

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.

Available2Maker product pagelg.com/us/laptops/lg-17z90u-g.au75u1-gram-laptopRead 7 October 2026Exact current US SKU offered for purchase. Original April 30 maker release separately confirms availability. Do not confuse sale price/current MSRP with launch price.

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

Not available

Not available

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

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.

$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.

$1,649.997Press releaselg.com/us/press-release/lg-2026-gram-lineup-press-release.pdfRead 7 October 2026April 30 2026 maker US Pricing and Availability release, page 3 table 2026 New gram Models / Price. Exact base SKU. US advertised launch price. Surrounding promotion discounts a Premium Care plan to 1 dollar, not the laptop. Current 2349.99 MSRP and 1899.99 sale price excluded.

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

Not available

Not available

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

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.

US1Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 20266Press releaselg.com/us/newsroom/media-entertainment/lg-announces-us-pricing-and-availability-for-2026-lg-gram-laptop-lineupRead 5 October 2026

ColoursiThe maker's own colour names

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

Obsidian Black1Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 2026Exact sheet Obsidian Black, current LG page abbreviated Black.

Segment

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.

Ultrabook2Maker product pagelg.com/us/laptops/lg-17z90u-g.au75u1-gram-laptopRead 7 October 2026Maker positions gram Pro as lightweight and thin for portability and productivity.

Form factor

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.

Clamshell3Owner's manualgscs-b2c.lge.com/downloadFileRead 7 October 2026

Chassis

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

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.

Width378.46Depth264.16Thickness (min)13.208Thickness (max)14.478mm(14.9 × 10.4 × 0.5 to 0.6 in)1Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 2026Exact US SKU sheet dated February 24 2026. Convert published body inches exactly at 25.4 mm/in: 378.46 width, 264.16 depth, 13.208 minimum and 14.478 maximum thickness. Maker says non-metric measurements approximate. Measurement conditions/feet are unstated. The identical current page row is mislabeled WxHxD, so the PDF explicit W x D x H determines axes. No metric measurements borrowed from overseas variants.

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

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.

1.379kg(3 lb)3Owner's manualgscs-b2c.lge.com/downloadFileRead 7 October 2026Printed page 62 model split. Exact reference is non-touch. The published 3.04 lb converts at 0.45359237 kg/lb to 1.379 kg, rounded to three decimals. It remains approximate and includes battery. Touch weight 3.30 lb excluded. Exact US sheet separately gives 3.04 lb product weight versus 5 lb shipping weight. Not a reviewer measurement.

Lid material

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.

Not available

Bottom material

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.

Not available

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-duo-ux8407/techspecRead 13 October 2026US MIL-STD 810H military-grade standard. Tests are not listed.

Yes1Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 20262Maker product pagelg.com/us/laptops/lg-17z90u-g.au75u1-gram-laptopRead 7 October 2026Maker footnote 1 claims MIL-STD-810H tests December 9 to 23, 2025. Listed methods 500.6 low pressure, 501.7 high temperature, 502.7 low temperature procedures I/II, 514.8 vibration I. This is a controlled laboratory claim, not every military standard test.

Display

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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-duo-ux8407/techspecRead 13 October 2026Each of the two displays is 14 inch.

17in(43.2 cm)1Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 2026

Native resolution

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.

2560 × 1600px1Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 2026

Pixel density

242.6ppi=CalculatedFrom Screen size and Native resolution

177.6ppi=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-duo-ux8407/techspecRead 13 October 2026

IPS1Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 2026

Backlight

None (self-emissive)1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026

Not available

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

Not available

Not available

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

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.

Not available

Matte1Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 2026Exact selected IPS non-touch screen, anti-glare polarizer/surface mapped to matte. Not glossy touch sibling or OLED configuration. No inferred reflectivity percentage.

Touchscreen

Yes1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026

No2Maker product pagelg.com/us/laptops/lg-17z90u-g.au75u1-gram-laptopRead 7 October 2026Exact current Display Screen Type row explicitly Non-Touchscreen. Touch sibling mass/panel is excluded.

Stylus

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.

Not available

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 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.

BLG gram Pro 17 (Core Ultra 7 355, 16 GB/512 GB)

Width (px)	Height (px)	Maximum operating refresh (Hz)
2560	1600	60

Source1Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 2026Exact sheet explicitly 17-inch 2560 x 1600 IPS Refresh Rate 60 Hz. This is the built-in panel operating rate, not a preset input timing.

Max refresh rate

144Hz=CalculatedFrom Refresh rate modes

60Hz=CalculatedFrom Refresh rate modes

Adaptive synciNamed variable refresh technologies for the built-in display. Manual switching between 60Hz and 120Hz is not VRR.

Not available

Not available

Gray-to-gray response time (claimed)iManufacturer claim for a gray-to-gray pixel transition. Do not use generic response times, black-to-white values, or motion-picture response times.

Not available

Not available

Native panel colour depthiPhysical panel colour depth per channel. Do not infer native bit depth or FRC from the number of supported colours.

Not available

Not available

Brightness (SDR, claimed)iManufacturer typical SDR luminance. Outdoor maxima and an unspecified peak are not typical SDR brightness.

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

350nits1Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 2026Exact sheet Display row lists Brightness 350nit with DCI-P3 99% (Typical) in the next row. No peak, HDR or outdoor figure is published, so 350 is stored as the SDR luminance claim.

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.

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.

Not available

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-duo-ux8407/techspecRead 13 October 2026100% DCI-P3 color gamut.

99%1Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 2026Maker DCI-P3 99% (Typical) gamut claim. Coverage/volume method unspecified.

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 10001Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026VESA CERTIFIED Display HDR True Black 1000.

Not available

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

Not available

Not available

Second display

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.

Not available

Processor

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Processor

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

Intel Core Ultra 7 3551Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 2026

Processor brand

Intel1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026

Intel4Maker product pageintel.com/content/www/us/en/products/sku/245722/intel-core-ultra-7-processor-355-12m-cache-up-to-4-70-ghz/specifications.htmlRead 7 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 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.

BLG gram Pro 17 (Core Ultra 7 355, 16 GB/512 GB)

Core type	Count	Base clock (GHz)	Max clock (GHz)
Performance	4	2.3	4.7
Low-power efficiency	4	1.7	3.5

Source4Maker product pageintel.com/content/www/us/en/products/sku/245722/intel-core-ultra-7-processor-355-12m-cache-up-to-4-70-ghz/specifications.htmlRead 7 October 2026Exact 355: four P and four LP-E cores, individually mapped base/turbo clocks. No ordinary E cores stored. Generic 25 W/55 W power not laptop limits.

CPU cores

16=CalculatedFrom Core configuration

8=CalculatedFrom Core configuration

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

4=CalculatedFrom Core configuration

4=CalculatedFrom Core configuration

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

12=CalculatedFrom Core configuration

4=CalculatedFrom Core configuration

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

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

84Maker product pageintel.com/content/www/us/en/products/sku/245722/intel-core-ultra-7-processor-355-12m-cache-up-to-4-70-ghz/specifications.htmlRead 7 October 2026

Max boost clock

4.9GHz=CalculatedFrom Core configuration

4.7GHz=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.

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.

12MB4Maker product pageintel.com/content/www/us/en/products/sku/245722/intel-core-ultra-7-processor-355-12m-cache-up-to-4-70-ghz/specifications.htmlRead 7 October 202612 MB Intel Smart Cache, separate from L2.

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.

Not available

1.8nm4Maker product pageintel.com/content/www/us/en/products/sku/245722/intel-core-ultra-7-processor-355-12m-cache-up-to-4-70-ghz/specifications.htmlRead 7 October 2026Exact 355 CPU compute fabrication. Numeric 1.8 is the nominal 1.8-nanometer class explicitly identified by Intel corporate testimony, not a converted guess or physical gate length. GPU Lithography Intel 3 is a separate die and not substituted.10Maker spec sheet (PDF)d1dth6e84htgma.cloudfront.net/HHRG_119_IF_17_Wstate_Grebe_J_20260415_77d1a28e09.pdfRead 7 October 2026Intel corporate written testimony to US House Energy and Commerce, April 15, 2026, page 2: Intel currently manufactures an advanced 1.8 nanometer-class semiconductor technology or 18A. This proves the nominal numeric class, not physical transistor dimensions. Coupled with exact 355 CPU Lithography Intel 18A.

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.

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.

Not available

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

Not available

Not available

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

Not available

Not available

NPU performanceiNPU-only claimed operations per second. Excludes combined CPU, GPU and platform AI throughput. Precision belongs in the source note.

50TOPS1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026

49TOPS4Maker product pageintel.com/content/www/us/en/products/sku/245722/intel-core-ultra-7-processor-355-12m-cache-up-to-4-70-ghz/specifications.htmlRead 7 October 2026NPU-only peak INT8 49 TOPS. Combined CPU/GPU peak not stored.

Graphics

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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-duo-ux8407/techspecRead 13 October 2026

No1Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 2026Exact sheet and original 17Z90U guide list Intel Graphics alone. Discrete RTX 5050 belongs separate 17Z90UR hardware and is not inherited.

GPU

Not available

Not available

GPU brand

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Integrated GPU

Intel 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.

Intel Graphics4Maker product pageintel.com/content/www/us/en/products/sku/245722/intel-core-ultra-7-processor-355-12m-cache-up-to-4-70-ghz/specifications.htmlRead 7 October 2026Intel Graphics of 355, not Arc B390 of 358H/388H.

Memory

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

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

16GB1Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 20262Maker product pagelg.com/us/laptops/lg-17z90u-g.au75u1-gram-laptopRead 7 October 2026

RAM type

LPDDR5X1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026

LPDDR5X1Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 2026

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

Not available

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

21Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 2026Exact installed 16 GB row explicitly dual-channel LPDDR5X. Advertised 7500 MHz data-rate wording conflicts with chip maximum 7467 MT/s and is omitted.

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-duo-ux8407/techspecRead 13 October 2026

Soldered3Owner's manualgscs-b2c.lge.com/downloadFileRead 7 October 2026Page 61 LPDDR5X onboard memory, user must not replace or add memory. Purchase-time capacities are not upgrades.

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-duo-ux8407/techspecRead 13 October 2026Memory row: 32GB LPDDR5X on board, max total system memory up to 32GB.

Not available

Storage

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

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

512GB1Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 2026Installed storage is 512 GB. Storage connector context: Exact sheet and current maker both name dual M.2 SSD slots. Per-slot form, generation and occupancy remain unproved. No connector generation is inferred from drive capability or generic slots. There are two documented M.2 connectors, but exact occupancy and form factors are unproved. The optional slot table is omitted because the current count calculation would turn those unknowns into false zero counts.2Maker product pagelg.com/us/laptops/lg-17z90u-g.au75u1-gram-laptopRead 7 October 2026Installed storage is 512 GB. Storage connector context: Current storage cell names M.2 Dual SSD slots and Gen 5 NVMe 512 GB. Older exact sheet says Gen 4. Combined slot/drive wording does not resolve installed or per-slot maximum generation, so those values are omitted. There are two documented M.2 connectors, but exact occupancy and form factors are unproved. The optional slot table is omitted because the current count calculation would turn those unknowns into false zero counts.

Storage type

NVMe SSD1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026

NVMe SSD1Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 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-duo-ux8407/techspecRead 13 October 20261TB M.2 NVMe PCIe 4.0 SSD.

Not available

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

AASUS 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.

BLG gram Pro 17 (Core Ultra 7 355, 16 GB/512 GB)

Not available

M.2 slots

1=CalculatedFrom Storage slots

Not available

Free storage slots

0=CalculatedFrom Storage slots

Not available

Maximum slot PCIe generation

4=CalculatedFrom Storage slots

Not available

Ports

2 of 7 differ

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

AASUS 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.

BLG gram Pro 17 (Core Ultra 7 355, 16 GB/512 GB)

Type	Version	Count	Side	Thunderbolt or USB4	DP Alt Mode	Maximum peripheral power (W)
USB-C	Not available	2	Left	Thunderbolt 4	Yes	15
USB-A	3.2 Gen 1	2	Right	Not available	Not available	Not available
HDMI	HDMI 2.1	1	Left	Not available	Not available	Not available
3.5 mm audio	Not available	1	Right	Not available	Not available	Not available

Source1Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 2026Exact sheet HDMI 2.1 and two USB 3.2 Gen 1/two USB4 Gen 3x2/Thunderbolt 4. Manual supplies sides and DP Alt Mode/power output.3Owner's manualgscs-b2c.lge.com/downloadFileRead 7 October 2026Page 74 left HDMI/two USB-C, right two USB-A/audio. Page 91 explicitly DP USB-C Alternate Mode. Page 97 supplies 10 W for ordinary USB peripherals and up to 15 W for USB PD peripherals. The stored 15 W maximum requires USB PD. Simultaneous shared output budget is unstated. No cable rating substituted for accepted laptop input.

USB-C ports

2=CalculatedFrom Ports

2=CalculatedFrom Ports

Thunderbolt

Yes=CalculatedFrom Ports

Yes=CalculatedFrom Ports

Highest HDMI version

HDMI 2.1 FRL=CalculatedFrom Ports

HDMI 2.1=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 71Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026

Wi-Fi 71Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 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-duo-ux8407/techspecRead 13 October 2026Wi-Fi 7 (802.11be) triple band 2*2. 6GHz availability varies by country.

2.4 GHz, 5 GHz, 6 GHz8Maker product pageintel.com/content/www/us/en/products/sku/240287/intel-wifi-7-r2-be211/specifications.htmlRead 7 October 2026Actual installed Intel BE211 family, with BE211D2W explicitly identified by exact-platform guide printed page 61. These are module-supported bands in the US reference. 6 GHz is subject to regional rules, driver and OS support. Not inferred solely from Wi-Fi 7 name.

Wi-Fi module

Not available

Intel Wi-Fi 7 BE211D2W1Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 20263Owner's manualgscs-b2c.lge.com/downloadFileRead 7 October 2026Printed page 61 exact 17Z90U/17ZB90U platform table. Enhances existing BE211 family name with its published physical module suffix. No socket or form-factor inference.

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

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

6.01Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 2026

Cellular

Not available

Not available

Keyboard and touchpad

4 of 8 differ

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

Not available

US1Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 2026Exact sheet Full Size Backlit Keyboard (US 100 keys with 4-column numeric keypad). Lighting color/zone count is unstated, so backlight enum is omitted.

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.

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.

Backlit, type not stated1Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 2026Exact sheet keyboard row is Full Size Backlit Keyboard (US 100 keys with 4-column numeric keypad). Backlight colour and zones are not stated.

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

Not available

Yes1Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 2026Explicit 4-column physical numeric keypad.

Key traveliPhysical key travel distance, not actuation distance.

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.

Not available

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

Not available

Not available

Touchpad size

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

Not available

Touchpad mechanismiA clickpad or glass touchpad that clicks when pressed down is mechanical. Haptic needs a source that says haptic or force feedback.

Not available

Not available

Camera and audio

4 of 7 differ

Webcam

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

1080p FHD IR1Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 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-duo-ux8407/techspecRead 13 October 2026FHD camera with IR function to support Windows Hello.

Yes3Owner's manualgscs-b2c.lge.com/downloadFileRead 7 October 2026Page 61 FHD IR Webcam and Windows Hello face-recognition setup. Exact sheet also says FHD IR webcam with facial recognition.

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.

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.

Not available

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

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.

Dolby Atmos, Smart Amp1Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 2026Published Dolby Atmos and Smart Amp. Stereo wording does not establish physical driver count.

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

Not available

21Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 2026

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.

99Wh1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026

77Wh1Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 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 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.

BLG gram Pro 17 (Core Ultra 7 355, 16 GB/512 GB)

Use case	Hours (h)
Video playback	27.5

Source1Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 2026Exact-model sheet claims up to 27.5 hours video playback, distinct from reviewer measurements.2Maker product pagelg.com/us/laptops/lg-17z90u-g.au75u1-gram-laptopRead 7 October 2026Maker footnote 2: Full HD 1080p local video, wireless off, 150 nits, earphones, default options, January 2026. Exact test-unit CPU/memory/storage are not separately named. This remains the claim advertised for the stored SKU, not an exact-unit measurement.

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-duo-ux8407/techspecRead 13 October 2026TYPE-C, 100W AC Adapter, output 20V DC 5A.

65W1Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 2026Documented 65 W adapter rating. Included 3 A C-to-C cable wording conflicts with guide 20 V/3.25 A full 65 W profile, so cable/box and device accepted-input maximum are omitted.

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-duo-ux8407/techspecRead 13 October 2026

USB-C3Owner's manualgscs-b2c.lge.com/downloadFileRead 7 October 2026Page 74 battery charge diagram and USB-C charging chapter. Guide adapter 20 V/3.25 A/65 W nominal output, not laptop input maximum.

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

Not available

Not available

Cooling

1 of 4 differ

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

Not available

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 DUO (2026) UX8407AA-DS99T

Not available

BLG gram Pro 17 (Core Ultra 7 355, 16 GB/512 GB)

Name
AI Mode
Low
Normal
High
Max

Source3Owner's manualgscs-b2c.lge.com/downloadFileRead 7 October 2026Cooling Mode Guide printed page 111, also repeated page 161. Directly named fan/performance settings. Fn+F7 chapter page 80 names High Performance, Max, AI, Low Noise, Normal. Store guide setting names without fabricated wattages. Normal recommended for long-term use. Mode presence is not proof of benchmark test mode.

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 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.

Windows 11 Home1Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 2026

OS family

Windows1Maker product pageasus.com/us/laptops/for-home/zenbook/asus-zenbook-duo-ux8407/techspecRead 13 October 2026

Windows1Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 2026

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

Not available

Not available

Measured display

None of 12 known

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.

Not available

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

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

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

None of 10 known

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

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

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

2 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-duo-ux8407/techspecRead 13 October 2026The tech spec page title is ASUS Zenbook DUO (UX8407), Copilot+ PC.

Yes1Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 20262Maker product pagelg.com/us/laptops/lg-17z90u-g.au75u1-gram-laptopRead 7 October 2026

Colour certifications

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

Not available

ENERGY STAR

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

Yes3Owner's manualgscs-b2c.lge.com/downloadFileRead 7 October 2026Printed page 16 ENERGY STAR section in exact-platform guide supplied by exact US SKU support. This is explicit maker certification/compliance claim for the defined 17Z90U platform, not an assumed status from power efficiency or an unrelated touch SKU available-on-market date.

EPEAT

Not available

Not available

Other certifications

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.

Not available

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 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.

65W AC adapter, External USB-C to USB-C cable (3 A), AC power cord1Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 2026Taken from the exact sheet AC Adapter row. Other box contents such as paper documents are not published and are not listed.

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

Not available

Yes1Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 2026Exact sheet lists the AC adapter as 65W (2pole) with external C-to-C cable (3A cable) and with extra AC power cord. The 3 A cable wording does not match the 20 V/3.25 A adapter profile in the guide, so the cable rating is as published by the sheet only.

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.

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.

1year5Maker product pagelg.com/us/support/product/lg-17Z90U-G.AU75U1Read 5 October 2026Exact US SKU support confirms one year parts and labor, US and US territories. Optional Premium Care is excluded.

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

Not available

Mail-in9Maker spec sheet (PDF)lg.com/us/PDF/warranty/he/gram_Warranty_2026.pdfRead 7 October 2026Exact current 2026 gram warranty PDF linked by US SKU support. How Service Is Handled on page 2: customer ships to LG/designated repair centre at customer inbound cost, LG return shipping under covered claim. USA/US territories, original purchaser. Only mail-in type, no free inbound/onsite/carry-in promise inferred.

Links

Not compared

Product page

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

www.lg.com/us/laptops/lg-17z90u-g.au75u1-gram-laptop2Maker product pagelg.com/us/laptops/lg-17z90u-g.au75u1-gram-laptopRead 7 October 2026Exact US maker SKU page. Full specification rows read from its public server-rendered __NEXT_DATA__ productData.allInfo JSON after ordinary HTTP 200 retrieval. Accessible web text omits some nested table cells.

Spec sheet

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

images.webfronts.com/cache/frmunevtfgdm.pdf1Maker spec sheet (PDF)images.webfronts.com/cache/frmunevtfgdm.pdfRead 10 October 2026Original LG Electronics USA exact 17Z90U-G.AU75U1 one-page specification, dated February 24, 2026, hosted by the public retailer document CDN Webfronts. This is the 16 GB/512 GB/355/IPS non-touch configuration. Touch and RTX 5050 R-series options are excluded.

Manual

Not available

gscs-b2c.lge.com/downloadFile3Owner's manualgscs-b2c.lge.com/downloadFileRead 7 October 2026Original LG CDN English LG Easy Guide 17Z90U/17ZB90U, version 7.2.2601.0801, linked by exact US SKU support. 176 pages, page 74 diagram rendered and inspected.5Maker product pagelg.com/us/support/product/lg-17Z90U-G.AU75U1Read 5 October 2026

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

Not available

Not available

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