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ASUS Zenbook S 14 (2026) UX5406AA vs Lenovo Chromebook Plus 14 Gen 10 (83MY0000US)

A

Product A: ASUS

Zenbook S 14 (2026) UX5406AA

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B

Product B: Lenovo

Chromebook Plus 14 Gen 10 (83MY0000US)

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All 179 fields

Every value links to where we found it.

Only differences

AASUS Zenbook S 14 (2026) UX5406AA

BLenovo Chromebook Plus 14 Gen 10 (83MY0000US)

General

4 of 9 differ

Series

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

Chromebook Plus1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026

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

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

83MY0000US1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026Exact US 83MY0000US model record. This entry retains the Seashell, 16 GB, 256 GB UFS 4.0, touch OLED configuration only.

GTIN / EAN

Not available

1981571687561Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026

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

Not available

23 June 20255Press releasenews.lenovo.com/pressroom/press-releases/next-generation-hybrid-ai-chromebook-plus-14-10Read 8 October 2026Maker public unveiling June 23 2025. Exact PSREF record separately lists April 30 2025 as its administrative Announce Date, and the manual first edition is April 2025. Neither earlier document date is asserted as a public unveiling or retail launch.

Status

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

Available5Press releasenews.lenovo.com/pressroom/press-releases/next-generation-hybrid-ai-chromebook-plus-14-10Read 8 October 2026Released and publicly available family as of June 23 2025, corroborated by the matching touch review. This describes product lifecycle, not live stock or an enabled store purchase button.

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

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

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.

Not available

Not available

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

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.

Not available

US1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026

ColoursiThe maker's own colour names

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

Seashell1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026

Segment

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

Ultrabook5Press releasenews.lenovo.com/pressroom/press-releases/next-generation-hybrid-ai-chromebook-plus-14-10Read 8 October 2026Maker positions this thin, lightweight Chromebook for portable everyday productivity. Classified ultraportable based on that positioning.

Form factor

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

Clamshell5Press releasenews.lenovo.com/pressroom/press-releases/next-generation-hybrid-ai-chromebook-plus-14-10Read 8 October 2026Standard Chromebook Plus 14 clamshell pictured and described by maker. The separate Chromebook Plus 2-in-1 is excluded.

Chassis

4 of 6 differ

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

Width310.3Depth214.7Thickness (min)11.9Thickness (max)12.9mm(12.2 × 8.5 × 0.5 in)1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 202631.03 x 21.47 x 1.19 ~ 1.29 cm.

Width314.2Depth219.1Thickness (min)15.79Thickness (max)15.99mm(12.4 × 8.6 × 0.6 in)3Owner's manualsupport.lenovo.com/us/en/documentation/SG10133/FeaturesAndSpecificationsRead 8 October 2026User guide explicitly names width 314.2 mm, depth 219.1 mm, thinnest 15.79 mm and thickest 15.99 mm. Exact/current PSREF corroborates width/depth and 15.79 mm nominal thickness. Earlier June 2025 launch table listed 314.4 mm width and rounded 15.8 mm thickness.

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

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

1.26kg(2.8 lb)1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026Maker says around 1.26 kg for this touch configuration. Approximate laptop-only weight may vary with components and manufacturing.

Lid material

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

Aluminium1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026

Bottom material

Not available

Plastic1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026PC-ABS bottom, classified as plastic. The aluminium lid does not make the complete chassis aluminium.

Max hinge angle

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

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

Yes1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026Maker states MIL-STD-810H military test passed. This is a manufacturer durability-test claim, not proof of passing every procedure.

Display

11 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/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026

14in(35.6 cm)1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026

Native resolution

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

1920 × 1200px1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026

Pixel density

242.6ppi=CalculatedFrom Screen size and Native resolution

161.7ppi=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/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026

OLED1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026

Backlight

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

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

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.

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

Glossy1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026

Touchscreen

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

Yes1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026

Stylus

Supported1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026With stylus support. No stylus is listed in the box.

None1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026Exact record explicitly says Pen Not Supported. Capacitive touch input does not establish active-pen support.

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 S 14 (2026) UX5406AA

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

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

BLenovo Chromebook Plus 14 Gen 10 (83MY0000US)

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

Source1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026

Max refresh rate

120Hz=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.

Not available

400nits1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026Maker display-table luminance is 400 nits. No HDR window or peak qualification is stated.

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.

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

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

100%1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026Maker states 100% DCI-P3. The PSREF does not specify whether this is gamut coverage or volume.

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

Not available

Not available

HDR certification

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

Not available

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

Not available

No1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026Exact record explicitly says No color calibration.

Second display

Not available

Not available

Processor

10 of 14 differ

Processor

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

MediaTek Kompanio Ultra 9101Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026

Processor brand

Intel1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026

MediaTek1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 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 S 14 (2026) UX5406AA

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

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

BLenovo Chromebook Plus 14 Gen 10 (83MY0000US)

Core type	Count	Core	Max clock (GHz)
Big	1	Arm Cortex-X925	3.63
Big	3	Arm Cortex-X4	2.8
Big	4	Arm Cortex-A720	2.1

Source1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026Exact 83MY0000US Processor row names eight cores: 1x X925 at 3.63 GHz, 3x X4 at 2.8 GHz and 4x A720 at 2.1 GHz. Platform processor table identifies these as maximum frequencies. These are published Lenovo configuration claims. Generic MediaTek literature names 3.62 GHz for X925 instead. No experimental reconciliation is claimed.2Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Lenovo/Lenovo_Chrome_14M9610/Lenovo_Chrome_14M9610_Spec.pdfRead 8 October 2026Same eight-core Processor row as on the PSREF model page: 1x X925 at 3.63 GHz, 3x X4 at 2.8 GHz and 4x A720 at 2.1 GHz.4Maker spec sheet (PDF)mediatek.com/hubfs/MediaTek%20Kompanio%20Ultra_Infographic_Main%200325.pdfRead 8 October 2026MediaTek explicitly describes Ultimate All Big Core CPU with one Arm Cortex-X925, three Arm Cortex-X4 and four Arm Cortex-A720 cores. All three groups use the maker Big role and retain their individual core names. No group is relabelled as an Intel efficiency core. Generic MediaTek infographic and product page specify Cortex-X925 up to 3.62 GHz, while exact Lenovo 83MY0000US PSREF and its platform table publish 3.63 GHz. Stored clocks are the Lenovo reference configuration claims, not measured clocks or a resolution of the chip-level discrepancy.

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

0=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

0=CalculatedFrom Core configuration

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

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

82Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Lenovo/Lenovo_Chrome_14M9610/Lenovo_Chrome_14M9610_Spec.pdfRead 8 October 2026PSREF processor table lists 8 threads for the eight-core Kompanio Ultra 910.

Max boost clock

4.9GHz=CalculatedFrom Core configuration

3.63GHz=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.

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

12MB4Maker spec sheet (PDF)mediatek.com/hubfs/MediaTek%20Kompanio%20Ultra_Infographic_Main%200325.pdfRead 8 October 2026MediaTek infographic explicitly separates 12 MB L3 from 10 MB system-level cache and per-core L2. Only L3 is stored.

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

3nm4Maker spec sheet (PDF)mediatek.com/hubfs/MediaTek%20Kompanio%20Ultra_Infographic_Main%200325.pdfRead 8 October 2026MediaTek specifies second-generation TSMC 3 nm process for Kompanio Ultra 910. This is processor compute fabrication, not the unrelated Wi-Fi module.

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

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

50TOPS1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026MediaTek NPU 890, up to 50 TOPS for the NPU only. Arithmetic precision is not stated. Combined platform throughput is excluded.

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/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026

No1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026Exact record explicitly identifies integrated Arm Immortalis graphics.

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

Arm Immortalis-G925 MC112Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Lenovo/Lenovo_Chrome_14M9610/Lenovo_Chrome_14M9610_Spec.pdfRead 8 October 2026Processor and graphics tables explicitly name integrated Arm Immortalis-G925 MC11 with shared memory. Exact model page abbreviates the final MC suffix.

Memory

2 of 9 differ

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

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

16GB1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026

RAM type

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

LPDDR5X1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026

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

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

8,533MT/s1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026

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

Soldered1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 202616 GB soldered to systemboard, not upgradable. No replaceable memory sockets. No artificial zero-count socket row is stored.

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/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026

16GB1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026Exact model record supports 16 GB soldered maximum. This is not a user-installed upgrade option.

Storage

7 of 7 differ

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

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

256GB1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026

Storage type

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

UFS1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026Installed 256 GB UFS 4.0 on systemboard, no storage sockets. No PCIe SSD, M.2 connector or 128 GB UFS 3.1 sibling is included.

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

41Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026

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 S 14 (2026) UX5406AA

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

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

BLenovo Chromebook Plus 14 Gen 10 (83MY0000US)

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

4 of 7 differ

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

AASUS Zenbook S 14 (2026) UX5406AA

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

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

BLenovo Chromebook Plus 14 Gen 10 (83MY0000US)

Type	Version	Count	Side	Maximum data rate (Gbps)	DP Alt Mode	Maximum charging input (W)	Maximum peripheral power (W)
USB-C	USB 3.2 Gen 1	1	Left	5	Yes	65	15
USB-C	USB 3.2 Gen 1	1	Right	5	Yes	65	15
USB-A	USB 3.2 Gen 1	1	Left	5	Not available	Not available	4.5
3.5 mm audio	Not available	1	Right	Not available	Not available	Not available	Not available

Source3Owner's manualsupport.lenovo.com/us/en/documentation/SG10133/FeaturesAndSpecificationsRead 8 October 2026Manual proves each USB-C accepts up to 45/65 W using the included adapter. Exact SKU selects 65 W. Both support USB 5 Gbps, PD 3.0 and DP 1.4 Alt Mode. Left display output up to 4K 30 Hz, right up to 4K 60 Hz. Each USB-C has 15 W maximum peripheral output alone, but when one supplies 15 W the other is limited to 7.5 W. USB-A peripheral output up to 4.5 W. Connector sides confirmed by matching touch TechRadar unit and maker overview. Outputs and inputs are separate ratings.6Reviewtechradar.com/computing/chromebooks/lenovo-chromebook-plus-14-inch-reviewRead 8 October 2026Matching touch review names USB-A on the left and headset jack on the right, with one USB-C on each side. Protocol, charging and peripheral-power values come from the maker documents.

USB-C ports

2=CalculatedFrom Ports

2=CalculatedFrom Ports

Thunderbolt

Yes=CalculatedFrom Ports

Not available

Highest HDMI version

HDMI 2.1 TMDS=CalculatedFrom Ports

Not available

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.

100W=CalculatedFrom Ports

65W=CalculatedFrom Ports

Wireless

4 of 5 differ

Wi-Fi

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

Wi-Fi 71Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 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/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026Wi-Fi 7 (802.11be) triple band 2*2 wireless card.

Not available

Wi-Fi module

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

MediaTek MT79251Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026

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

5.41Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026MT7925 radio hardware is specified as Bluetooth 5.4. OS and driver support can operate at a lower revision. The chip platform maximum is not substituted.

Cellular

Not available

No1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026WWAN Not Supported is explicit in this exact model record.

Keyboard and touchpad

3 of 8 differ

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

Not available

English1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026Maker names the retained US SKU keyboard Backlit, English. No additional regional layouts are inferred.

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

Backlit, type not stated1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026Backlit is explicit. Colour and lighting-zone type are not stated.

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

Not available

Not available

Key traveliPhysical key travel distance, not actuation distance.

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

1.3mm2Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Lenovo/Lenovo_Chrome_14M9610/Lenovo_Chrome_14M9610_Spec.pdfRead 8 October 2026Current PSREF keyboard table explicitly states key travel 1.3 mm.

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

Not available

Not available

Touchpad size

Not available

Not available

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

Not available

Not available

Camera and audio

5 of 7 differ

Webcam

1080p FHD1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026FHD camera with IR function to support Windows Hello.

5.0MP1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 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/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 20264Reviewultrabookreview.com/74670-asus-zenbook-s14-gen2-reviewRead 10 October 2026IR camera for Windows Hello.

Not available

Webcam privacy

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

Physical shutter1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026

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.

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

41Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026Exact record says 2 W x4 speakers. Four physical drivers are also confirmed by maker launch text describing quad speakers, including two dedicated woofers. No total wattage is calculated.5Press releasenews.lenovo.com/pressroom/press-releases/next-generation-hybrid-ai-chromebook-plus-14-10Read 8 October 2026Maker explicitly identifies quad speakers including two dedicated down-firing woofers. Four drivers, not two stereo channels.

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

Dolby Atmos, Smart Amplifier (AMP)1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026

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

Not available

21Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 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.

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

60Wh1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026Exact selected configuration is 60 Wh. User guide describes 60 Wh as typical or average battery capacity in its test environment, rather than a measured full-charge energy result.3Owner's manualsupport.lenovo.com/us/en/documentation/SG10133/FeaturesAndSpecificationsRead 8 October 2026User guide specifies a four-cell 60 Wh battery and qualifies this as typical or average capacity under its test conditions. This corroborates exact PSREF nominal energy and is not a reported measured full-charge value.

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 S 14 (2026) UX5406AA

Not available

BLenovo Chromebook Plus 14 Gen 10 (83MY0000US)

Use case	Hours (h)
Mixed use	17

Source2Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Lenovo/Lenovo_Chrome_14M9610/Lenovo_Chrome_14M9610_Spec.pdfRead 8 October 2026Maker approximate maximum 17 h Google Power Load Test. Classified mixed use because the Google test combines browsing, email/audio, documents and video. This is a family maximum, not a measured runtime for the retained touch SKU. Exact tested RAM, touch option, brightness and power profile are not identified. Do not read the generic footnote listing many possible tests as an additional test result.7Maker product pagechromium.googlesource.com/chromiumos/third_party/autotest/+/main/client/site_tests/power_LoadTestRead 8 October 2026Google ChromiumOS public Power Load Test description establishes a mixed browsing, email/audio, documents and video workload. Used to classify the named maker benchmark only. Lenovo does not identify its exact test software revision or settings, so none are asserted for its 17 h result.

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.

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

65W1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026Exact SKU supplies 65 W USB-C Slim, 2-pin wall-mount adapter. This is the supplied adapter rating. Optional 45 W and adapter-free regional bundles are excluded.

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

USB-C1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 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.

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

05Press releasenews.lenovo.com/pressroom/press-releases/next-generation-hybrid-ai-chromebook-plus-14-10Read 8 October 2026Maker explicitly describes a fanless design. Zero physical cooling fans, not a zero-dB measurement.

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.

Not available

Not available

Security

1 of 4 differ

Fingerprint

None4Reviewultrabookreview.com/74670-asus-zenbook-s14-gen2-reviewRead 10 October 2026No fingerprint sensor. IR camera for Windows Hello.

Separate1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026Exact SKU has a touch-style, match-on-chip fingerprint reader on the palm rest, separate from the power button and touchpad.

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

3 of 3 differ

Operating system

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

ChromeOS1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026

OS family

Windows1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026

ChromeOS1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026Preinstalled ChromeOS. No Windows support, Windows Hello capability, firmware support date or Google automatic-update expiration is inferred from this field.

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

June 20358Maker product pagesupport.google.com/chrome/a/answer/6220366Read 8 October 2026Google Auto Update policy Lenovo section lists Chromebook Plus (14-inch, 10) automatic updates until June 2035. ChromeOS automatic updates include OS and security fixes. The published month is retained without inventing a day. The separate Chromebook Plus 2-in-1 has a different deadline and is excluded. Exact Lenovo PSREF separately lists End of Support April 20 2031 without identifying it as Google automatic-update expiration. That separate Lenovo date is not substituted for the Google device policy.

Measured display

4 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.

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

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

Not available

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

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

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.

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

Not available

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

Not available

Not available

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

Not available

Not available

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

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

6 of 8 differ

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

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

Not available

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

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

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.

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

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.

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

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.

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

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.

AASUS Zenbook S 14 (2026) UX5406AA

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

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

BLenovo Chromebook Plus 14 Gen 10 (83MY0000US)

Not available

Measured noise and temperature

2 of 9 differ

Fan noise per modeiReviewer sound-pressure readings for the matching configuration and mode. Measurement distance and workload belong in the source note.

AASUS Zenbook S 14 (2026) UX5406AA

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

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

BLenovo Chromebook Plus 14 Gen 10 (83MY0000US)

Not available

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

45dB(A)=CalculatedFrom Fan noise per mode

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

4 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 S 14 (2026) UX5406AA

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

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

BLenovo Chromebook Plus 14 Gen 10 (83MY0000US)

Test	Hours (h)
Video playback	14.07

Source6Reviewtechradar.com/computing/chromebooks/lenovo-chromebook-plus-14-inch-reviewRead 8 October 2026September 17 2025 review explicitly identifies Kompanio Ultra 910, 16 GB LPDDR5X, 256 GB UFS 4.0 and 14-inch 1920x1200 OLED touch 60 Hz. TechRadar battery test is 14 hours 4 minutes, converted to decimal hours. Reviewer played a movie on continuous repeat from a full charge. Brightness, movie resolution, volume, wireless state and operating power profile are not reported. Quoted 1.26 kg is the maker weight, not a weighed result.

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

15h=CalculatedFrom Battery runtime per test

14.07h=CalculatedFrom Battery runtime per test

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

Not available

100min6Reviewtechradar.com/computing/chromebooks/lenovo-chromebook-plus-14-inch-reviewRead 8 October 2026Matching touch review says 100 minutes to top up completely. Starting percentage, adapter rating, charge profile and whether the laptop was powered off are not reported. This is the full-charge review result, not the manufacturer 80%-in-60-minute claim.

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.

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

Not available

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

Not available

Not available

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

Not available

Not available

Certifications

4 of 6 differ

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

Not available

Not available

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

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

Not available

Colour certifications

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

Not available

ENERGY STAR

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

Yes1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026

EPEAT

Not available

Gold1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026Exact US model record says EPEAT 1.0 Gold Registered. Maker launch footnote explicitly includes the US registration market.5Press releasenews.lenovo.com/pressroom/press-releases/next-generation-hybrid-ai-chromebook-plus-14-10Read 8 October 2026Maker launch footnote explicitly says EPEAT Gold registered in the US, Canada and Germany. This retained SKU is US.

Other certifications

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

TCO Certified, generation 10, ErP Lot 6/26, RoHS compliant, SGS Eye Care Display Certification, TÜV Rheinland Low Blue Light (Hardware Solution)1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026

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.

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

Not available

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 product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026Exact selected PSREF configuration names the supplied 65 W wall-mount adapter. The family also offers no-adapter variants, which are excluded.

Warranty

2 of 2 differ

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

Not available

1year1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026US SKU base warranty is 1-year Courier or Carry-in. No included service upgrade is listed. Statutory consumer rights are not counted.

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

Not available

Collect and return, Carry-in1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026Maker wording Courier or Carry-in. Courier is represented as collect-and-return service.

Links

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Product page

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

www.lenovo.com/us/en/p/laptops/lenovo/lenovo-edu-chromebooks/chromebook-plus-gen-10-14-inch-mediatek/83my0000us1Maker product pagepsref.lenovo.com/Detail/Lenovo_Chrome_14M9610Read 8 October 2026

Spec sheet

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

psref.lenovo.com/syspool/Sys/PDF/Lenovo/Lenovo_Chrome_14M9610/Lenovo_Chrome_14M9610_Spec.pdf2Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/Lenovo/Lenovo_Chrome_14M9610/Lenovo_Chrome_14M9610_Spec.pdfRead 8 October 2026Opened current September 1 2026 seven-page PSREF PDF. Configuration-dependent family options are retained only where selected by exact 83MY0000US record.

Manual

Not available

support.lenovo.com/us/en/documentation/SG101333Owner's manualsupport.lenovo.com/us/en/documentation/SG10133/FeaturesAndSpecificationsRead 8 October 2026User Guide First Edition April 2025, current support article modified September 23 2026. Opened Features and specifications. Exact selected SKU determines optional hardware.

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

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