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ASUS Zenbook S 14 (2026) UX5406AA vs Dell XPS 14 (2026) DA14260

A

Product A: ASUS

Zenbook S 14 (2026) UX5406AA

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B

Product B: Dell

XPS 14 (2026) DA14260

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Only differences

AASUS Zenbook S 14 (2026) UX5406AA

BDell XPS 14 (2026) DA14260

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.

XPS1Maker product pagedell.com/en-us/shop/dell-laptops/spd/xps14da14260Read 30 September 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.

DA142601Maker product pagedell.com/en-us/shop/dell-laptops/spd/xps14da14260Read 30 September 2026Model: DA14260. Regulatory model P202G

GTIN / EAN

Not available

Not available

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

Not available

Not available

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.

Not available

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.

Dell 14 Premium DA14250 Core Ultra 7 255H OLED5Reviewtomsguide.com/computing/laptops/dell-xps-14-2026-reviewRead 30 September 2026Tom's Guide calls the Dell 14 Premium the predecessor of the 2026 Dell XPS 14.

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

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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

US, JP, CA, TW, CH4Certification listdata.energystar.gov/resource/rxdj-2c88.jsonRead 30 September 2026ENERGY STAR listing markets: United States, Japan, Canada, Taiwan, Switzerland

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.

Graphite1Maker product pagedell.com/en-us/shop/dell-laptops/spd/xps14da14260Read 30 September 2026Current US Tech Specs / Color: Graphite. The service document calls the finish Magnetite. Shimmer Gold not confirmed for this configuration.2Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026Table 27, A Cover and D Cover: anodized Magnetite aluminum. Previous Graphite/Shimmer Gold values do not appear in model specification.

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.

Ultrabook1Maker product pagedell.com/en-us/shop/dell-laptops/spd/xps14da14260Read 30 September 2026Page title: XPS 14-inch Premium Lightweight Laptop. Listed as an ultra-thin laptop

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.

Clamshell1Maker product pagedell.com/en-us/shop/dell-laptops/spd/xps14da14260Read 30 September 2026Clamshell laptop in all product views

Chassis

5 of 6 differ

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

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.

Width309.52Depth209.71Thickness (max)14.62mm(12.2 × 8.3 × 0.6 in)1Maker product pagedell.com/en-us/shop/dell-laptops/spd/xps14da14260Read 30 September 20262Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026Height 14.62 mm front and rear for OLED models, 15.20 mm for FHD

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).

1.36kg(3 lb)1Maker product pagedell.com/en-us/shop/dell-laptops/spd/xps14da14260Read 30 September 20262Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 20261.36 kg for the OLED display

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.

Aluminium2Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026

Bottom material

Not available

Aluminium2Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026

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.

Not available

Display

6 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 pagedell.com/en-us/shop/dell-laptops/spd/xps14da14260Read 30 September 20262Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026

Native resolution

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

2880 × 1800px2Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026

Pixel density

242.6ppi=CalculatedFrom Screen size and Native resolution

242.6ppi=CalculatedFrom Screen size and Native resolution

Panel typeiDell's WVA means wide viewing angle and names no panel technology, so it is stored as IPS only when Dell or a review names IPS.

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

OLED2Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026

Backlight

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

None (self-emissive)2Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026

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

Not available

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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.

Glossy6Reviewzdnet.com/article/dell-xps-14-2026-reviewRead 30 September 2026Tandem OLED: 'It's glossy (but handles glare well)'

Touchscreen

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

Yes2Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 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.

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 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.

BDell XPS 14 (2026) DA14260

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

Source2Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026OLED: 20 Hz to 120 Hz (VRR)

Max refresh rate

120Hz=CalculatedFrom Refresh rate modes

120Hz=CalculatedFrom Refresh rate modes

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

400nits2Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026

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%2Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026DCI-P3 100% typical, 95% minimum

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.

DisplayHDR True Black 5008Maker spec sheet (PDF)delltechnologies.com/asset/en-us/products/laptops-and-2-in-1s/briefs-summaries/xps-laptops-product-brochure.pdfRead 8 October 2026Page 4 DISPLAY, 14-inch 2880x1800 OLED touch option: VESA DisplayHDR True Black 500. The FHD+ option is excluded.

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

Not available

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Second display

Not available

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Processor

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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).

Intel Core Ultra X7 358H1Maker product pagedell.com/en-us/shop/dell-laptops/spd/xps14da14260Read 30 September 20262Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026

Processor brand

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

Intel1Maker product pagedell.com/en-us/shop/dell-laptops/spd/xps14da14260Read 30 September 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.

BDell XPS 14 (2026) DA14260

Core type	Count	Base clock (GHz)	Max clock (GHz)
Performance	4	1.9	4.8
Efficiency	8	1.5	3.5
Low-power efficiency	4	1.5	3.3

Source2Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026Base clock for the 4 low-power efficiency cores is not given7Maker product pageintel.com/content/www/us/en/products/sku/245527/intel-core-ultra-x7-processor-358h-18m-cache-up-to-4-80-ghz/specifications.htmlRead 30 September 2026CPU Specifications: P 1.9/4.8 GHz, E 1.5/3.5 GHz, LP E 1.5/3.3 GHz. 4P+8E+4LPE, 16 threads, 18MB Smart Cache.

CPU cores

16=CalculatedFrom Core configuration

16=CalculatedFrom Core configuration

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

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

12=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

161Maker product pagedell.com/en-us/shop/dell-laptops/spd/xps14da14260Read 30 September 20262Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026

Max boost clock

4.9GHz=CalculatedFrom Core configuration

4.8GHz=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.

18MB1Maker product pagedell.com/en-us/shop/dell-laptops/spd/xps14da14260Read 30 September 20262Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026Processor cache 18 MB

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

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

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

50TOPS2Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026

Graphics

1 of 9 differ

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

No1Maker product pageasus.com/sg/laptops/for-home/zenbook/asus-zenbook-s-14-ux5406/techspecRead 10 October 2026

No1Maker product pagedell.com/en-us/shop/dell-laptops/spd/xps14da14260Read 30 September 2026

GPU

Not available

Not available

GPU brand

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

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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.

Intel Arc B3901Maker product pagedell.com/en-us/shop/dell-laptops/spd/xps14da14260Read 30 September 20262Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026

Memory

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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.

32GB1Maker product pagedell.com/en-us/shop/dell-laptops/spd/xps14da14260Read 30 September 2026

RAM type

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

LPDDR5X1Maker product pagedell.com/en-us/shop/dell-laptops/spd/xps14da14260Read 30 September 20262Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 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.

9,600MT/s2Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 20269600 MT/s with Ultra X7 358H or X9 388H

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

22Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026Dual-channel on-board memory, 128-bit bus

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.

Soldered2Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026

Memory slotsiPhysical replaceable RAM module sockets grouped by type and occupancy. Clocked SO-DIMM uses CSODIMM. Soldered memory is excluded.

Not available

Not available

RAM slots

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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

64GB2Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026

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

1TB1Maker product pagedell.com/en-us/shop/dell-laptops/spd/xps14da14260Read 30 September 20261 TB M.2 2230 SSD Gen4x4 TLC in the 1 TB options

Storage type

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

NVMe SSD1Maker product pagedell.com/en-us/shop/dell-laptops/spd/xps14da14260Read 30 September 2026

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

41Maker product pagedell.com/en-us/shop/dell-laptops/spd/xps14da14260Read 30 September 2026

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.

BDell XPS 14 (2026) DA14260

Form factor	Interface	PCIe generation	PCIe lanes	Count	Occupied
M.2 2280	PCIe NVMe	5	4	1	Yes

Source2Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026Table 15: one physical M.2 socket supports either a 2230 or 2280 SSD. The stored 2280-compatible slot is occupied by the selected 1 TB Gen 4 x4 2230 SSD from Table 12. It does not assert an installed 2280 drive or a second socket. Slot supports Gen 5 x4 with the 2280 2 TB/4 TB options.

M.2 slots

1=CalculatedFrom Storage slots

1=CalculatedFrom Storage slots

Free storage slots

0=CalculatedFrom Storage slots

0=CalculatedFrom Storage slots

Maximum slot PCIe generation

4=CalculatedFrom Storage slots

5=CalculatedFrom Storage slots

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.

BDell XPS 14 (2026) DA14260

Type	Count	Side	Maximum data rate (Gbps)	Thunderbolt or USB4	DP Alt Mode	Maximum peripheral power (W)
USB-C	2	Left	40	Thunderbolt 4	Yes	15
USB-C	1	Right	40	Thunderbolt 4	Yes	15
3.5 mm audio	1	Right	Not available	Not available	Not available	Not available

Source2Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026External ports pp25-26: all three USB-C support Thunderbolt 4, USB4 and DP 2.1. EU charging pictogram p32 gives 45 to 93 W of required charger power. Maximum accepted input at each port is not stated. First connected device can receive 15 W, additional connected devices up to 7.5 W each. The stored output is a per-port maximum with this shared-budget qualification.

USB-C ports

2=CalculatedFrom Ports

3=CalculatedFrom Ports

Thunderbolt

Yes=CalculatedFrom Ports

Yes=CalculatedFrom Ports

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

Not available

Wireless

1 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 pagedell.com/en-us/shop/dell-laptops/spd/xps14da14260Read 30 September 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.

2.4 GHz, 5 GHz, 6 GHz2Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026

Wi-Fi module

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

Intel Wi-Fi 7 BE2111Maker product pagedell.com/en-us/shop/dell-laptops/spd/xps14da14260Read 30 September 20262Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 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.

6.01Maker product pagedell.com/en-us/shop/dell-laptops/spd/xps14da14260Read 30 September 20262Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026

Cellular

Not available

Not available

Keyboard and touchpad

6 of 8 differ

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

Not available

English (US)1Maker product pagedell.com/en-us/shop/dell-laptops/spd/xps14da14260Read 30 September 2026US store

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 pagedell.com/en-us/shop/dell-laptops/spd/xps14da14260Read 30 September 2026Maker identifies a backlit keyboard. Light colour and single-colour versus RGB class are not stated, so backlit_unspecified is used.2Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026Maker identifies a backlit keyboard. Light colour and single-colour versus RGB class are not stated, so backlit_unspecified is used.

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

Not available

No2Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 202680 keys on the US layout

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.

0.8mm8Maker spec sheet (PDF)delltechnologies.com/asset/en-us/products/laptops-and-2-in-1s/briefs-summaries/xps-laptops-product-brochure.pdfRead 8 October 2026Page 4, XPS14 DA14260 INPUTS: full-size zero-lattice keyboard with 0.8 mm travel.

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

Not available

Not available

Touchpad size

Not available

Width150Height73.92mm(5.9 × 2.9 in)2Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026

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

Haptic2Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026Haptic touchpad, seamless glass

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.

8 MP2Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 20268 megapixels still, 2560 x 1440 at 30 fps video

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.

Yes2Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026

Webcam privacy

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

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.

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

42Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026Two woofers and two tweeters

Total speaker poweriCombined published power of the built-in speaker drivers. RMS or peak classification belongs in the source note.

Not available

10W2Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026Published 10 W total PEAK output, not RMS. Two 3 W main drivers and two 2 W tweeters. Explicit peak classification is corroborated by the XPS14 page of the maker review guide.8Maker spec sheet (PDF)delltechnologies.com/asset/en-us/products/laptops-and-2-in-1s/briefs-summaries/xps-laptops-product-brochure.pdfRead 8 October 2026Page 4 explicitly publishes 10 W total PEAK output. This is not an RMS claim.

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.

Waves MaxxAudio, Waves MaxxVoice 15, Dolby Atmos, Intelligo High Fidelity Audio2Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 20268Maker spec sheet (PDF)delltechnologies.com/asset/en-us/products/laptops-and-2-in-1s/briefs-summaries/xps-laptops-product-brochure.pdfRead 8 October 2026Page 4 AUDIO AND SPEAKERS explicitly lists Waves MaxxAudio, MaxxVoice 15, Intelligo High Fidelity Audio and Dolby Atmos.

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

Not available

22Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026Dual digital-array microphones

Battery and power

2 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.

70Wh1Maker product pagedell.com/en-us/shop/dell-laptops/spd/xps14da14260Read 30 September 20262Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 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.

Not available

Not available

Adapter rated outputiNominal rated output of the documented supplied or recommended adapter. A temporary dynamic maximum belongs in the source note. Not the laptop charging-input limit.

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.

100W2Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026100 W AC small form factor adapter

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-C2Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 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

None of 4 known

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.

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.

None1Maker product pagedell.com/en-us/shop/dell-laptops/spd/xps14da14260Read 30 September 2026Embedded page video transcript: no fingerprint reader on the new laptops. Only IR face login is listed

TPM

Not available

2.08Maker spec sheet (PDF)delltechnologies.com/asset/en-us/products/laptops-and-2-in-1s/briefs-summaries/xps-laptops-product-brochure.pdfRead 8 October 2026Page 4 SECURITY: TPM 2.0. FIPS 140-2 and TCG claims are not extended to other optional security features.

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

1 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.

Not available

OS family

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

Windows1Maker product pagedell.com/en-us/shop/dell-laptops/spd/xps14da14260Read 30 September 2026

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

Not available

Not available

Measured display

6 of 12 differ

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

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

355nits5Reviewtomsguide.com/computing/laptops/dell-xps-14-2026-reviewRead 30 September 2026355 nits SDR, from the public display table for the tested X7 358H/32 GB/1 TB/2880x1800 OLED touch unit. Current published lab method averages five points with Klein K10-A and ChromaSurf. Individual grid positions are not specified. This is not a centre-brightness value or the separately listed 381-nit HDR result.9Reviewtomsguide.com/computing/how-we-test-laptops-tablets-pcsRead 8 October 2026Klein K10-A with ChromaSurf. Five-point display average. OLED testing uses a moving white window on a black background. Positions and white-window size are not specified.

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

0.25Reviewtomsguide.com/computing/laptops/dell-xps-14-2026-reviewRead 30 September 2026Public display table: Delta-E 0.20 for the exact OLED review configuration. Out-of-box display settings with Klein K10-A and DisplayCal, per published preparation/method. No custom calibration is documented. Exact formula and colour profile are not stated.9Reviewtomsguide.com/computing/how-we-test-laptops-tablets-pcsRead 8 October 2026Default out-of-box manufacturer settings. Klein K10-A and DisplayCal measure Delta-E. The source separately states colour-gamut results are volume, so they are not imported as coverage.

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

7 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.

2,867points5Reviewtomsguide.com/computing/laptops/dell-xps-14-2026-reviewRead 30 September 2026Geekbench 6, 2867 single-core points. Exact X7 358H/32 GB/1 TB/OLED touch review unit. Current published standard method uses Windows Best Performance and retail default OEM settings. BIOS and driver versions are not stated.9Reviewtomsguide.com/computing/how-we-test-laptops-tablets-pcsRead 8 October 2026Published system preparation uses retail default OEM settings and Windows Best Performance, updates Windows, graphics drivers and BIOS, then runs isolated benchmarks. The older review identifies Geekbench 6, so no Geekbench 7 score is substituted.

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.

16,927points5Reviewtomsguide.com/computing/laptops/dell-xps-14-2026-reviewRead 30 September 2026Geekbench 6, 16927 multi-core points. Same exact OLED review configuration and published Windows Best Performance method.9Reviewtomsguide.com/computing/how-we-test-laptops-tablets-pcsRead 8 October 2026Same preparation and benchmark method as the single-core result.

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

4,809MB/s5Reviewtomsguide.com/computing/laptops/dell-xps-14-2026-reviewRead 30 September 2026Blackmagic Disk Speed Test: 4809 MB/s sequential read, 3779 MB/s write in the public table. Exact 1 TB review drive. Published preparation uses Windows Best Performance. Drive model and benchmark version are not stated.9Reviewtomsguide.com/computing/how-we-test-laptops-tablets-pcsRead 8 October 2026Published preparation establishes Windows Best Performance. The device review supplies the specific Blackmagic test and score.

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.

BDell XPS 14 (2026) DA14260

Game	Width (px)	Height (px)	Average FPS
Borderlands 3	Not available	Not available	36
Cyberpunk 2077	2880	1800	14.9
Shadow of the Tomb Raider	Not available	Not available	39

Source5Reviewtomsguide.com/computing/laptops/dell-xps-14-2026-reviewRead 30 September 2026Public gaming table for X7 358H/32 GB/1 TB/OLED touch. Cyberpunk 2077 text explicitly says native resolution, so 2880x1800 is attached to that row. Resolution and presets for the other rows are not stated. Exact ray-tracing and upscaling settings are not supplied.9Reviewtomsguide.com/computing/how-we-test-laptops-tablets-pcsRead 8 October 2026Published preparation establishes Windows Best Performance. Device-specific presets and native Cyberpunk resolution take precedence over generic game-suite settings.

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.

BDell XPS 14 (2026) DA14260

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.

BDell XPS 14 (2026) DA14260

Test	Brightness (nits)	Hours (h)
Wi-Fi browsing	150	12.38

Source5Reviewtomsguide.com/computing/laptops/dell-xps-14-2026-reviewRead 30 September 202612 hours 23 minutes, which is 12.38 hours. Continuous web browsing over Wi-Fi at 150 nits. Exact X7 358H/32 GB/1 TB/OLED touch review unit. The review does not name the battery-test power plan.9Reviewtomsguide.com/computing/how-we-test-laptops-tablets-pcsRead 8 October 2026Microsoft Edge, repeated pages over a closed Wi-Fi network, 150 nits, background applications disabled and a custom battery power plan. Exact plan name is not stated.

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

Not available

12.38h=CalculatedFrom Battery runtime per test

Video runtimeiMeasured by a reviewer, not claimed by the maker

15h=CalculatedFrom Battery runtime per test

Not available

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

Not available

Not available

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

Not available

Not available

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

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

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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.

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

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

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Certifications

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

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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.

Yes1Maker product pagedell.com/en-us/shop/dell-laptops/spd/xps14da14260Read 30 September 2026

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.

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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 pagedell.com/en-us/shop/dell-laptops/spd/xps14da14260Read 30 September 20264Certification listdata.energystar.gov/resource/rxdj-2c88.jsonRead 30 September 2026

EPEAT

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Gold1Maker product pagedell.com/en-us/shop/dell-laptops/spd/xps14da14260Read 30 September 2026EPEAT Gold registered with Climate+ designation

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.

TÜV Rheinland low blue light2Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026Display complies with TÜV Rheinland's requirement for low blue light displays

In the box

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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.

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

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Warranty

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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.

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

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Mail-in1Maker product pagedell.com/en-us/shop/dell-laptops/spd/xps14da14260Read 30 September 2026US: Basic Hardware Service with Mail-In

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.dell.com/en-us/shop/dell-laptops/spd/xps14da142601Maker product pagedell.com/en-us/shop/dell-laptops/spd/xps14da14260Read 30 September 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

dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdf2Maker spec sheet (PDF)dl.dell.com/content/manual4228996-xps-14-da14260-setup-and-specifications.pdfRead 30 September 2026

Manual

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www.dell.com/support/manuals/en-us/xps-da14260-laptop/xps-14-da14260-service-manual/Working-inside-your-computer3Owner's manualdell.com/support/product-details/en-us/product/xps-da14260-laptop/resources/manualsRead 30 September 2026XPS 14 DA14260 Service Manual, linked from Dell's manuals page

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

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