Product comparison · 2 laptops

ASUS Zenbook UX31LA-C4026H-BE Intel® Core™ i7 i7-4500U Laptop vs Lenovo W540 DOS US

143specifications compared
60differ
83identical
41known for one product only

Key differences

Product type
- Zenbook UX31LA-C4026H-BE Intel® Core™ i7 i7-4500U Laptop:Laptop
- W540 DOS US:Mobile workstation
Product colour
- Zenbook UX31LA-C4026H-BE Intel® Core™ i7 i7-4500U Laptop:Grey, Stainless steel
- W540 DOS US:Black
Display diagonal
- Zenbook UX31LA-C4026H-BE Intel® Core™ i7 i7-4500U Laptop:33.8 cm (13.3")
- W540 DOS US:39.6 cm (15.6")
Display resolution
- Zenbook UX31LA-C4026H-BE Intel® Core™ i7 i7-4500U Laptop:1920 x 1080 pixels
- W540 DOS US:2880 x 1620 pixels
Touchscreen
- Zenbook UX31LA-C4026H-BE Intel® Core™ i7 i7-4500U Laptop:Yes
- W540 DOS US:No
Processor model
- Zenbook UX31LA-C4026H-BE Intel® Core™ i7 i7-4500U Laptop:i7-4500U
- W540 DOS US:i7-4800MQ
Processor cores
- Zenbook UX31LA-C4026H-BE Intel® Core™ i7 i7-4500U Laptop:2
- W540 DOS US:4
Processor threads
- Zenbook UX31LA-C4026H-BE Intel® Core™ i7 i7-4500U Laptop:4
- W540 DOS US:8

Side by side

Differences highlightedShow differences only

Comparison of UX31LA-C4026H-BE, W540 DOS US
184 specifications	A ASUS Zenbook UX31LA-C4026H-BE Intel® Core™ i7 i7-4500U Laptop Model UX31LA-C4026H-BE View product	B Lenovo W540 DOS US View product
Design2 differ
Product typeDiffers	Laptop	Mobile workstation
Product colourDiffers	Grey, Stainless steel	Black
Display3 differ
Display diagonalDiffers	33.8 cm (13.3")	39.6 cm (15.6")
Display resolutionDiffers	1920 x 1080 pixels	2880 x 1620 pixels
TouchscreenDiffers	Yes	No
Panel typeKnown for one	Unknown — not stated by the source	IPS
Display brightnessKnown for one	Unknown — not stated by the source	300 cd/m²
HD typeKnown for one	Full HD	Unknown — not stated by the source
Processor12 differ
Processor modelDiffers	i7-4500U	i7-4800MQ
Processor coresDiffers	2	4
Processor threadsDiffers	4	8
Processor boost frequencyDiffers	3 GHz	3.7 GHz
Processor frequencyDiffers	1.8 GHz	2.7 GHz
Processor cacheDiffers	4 MB	6 MB
Processor socketDiffers	BGA 1168	PGA946
Processor seriesDiffers	Intel Core i7-4500 Mobile series	Intel Core i7-4800 Mobile series
Thermal Design Power (TDP)Differs	15 W	47 W
Maximum number of PCI Express lanesDiffers	12	16
PCI Express configurationsDiffers	2x4	1x16, 2x8, 1x8+2x4
PCI Express slots versionDiffers	2.0	3.0
Memory2 differ
Internal memoryDiffers	8 GB	16 GB
Memory layout (slots x size)Known for one	Unknown — not stated by the source	2 x 8 GB
Memory slotsKnown for one	Unknown — not stated by the source	4x SO-DIMM
Maximum internal memoryDiffers	8 GB	32 GB
Memory form factorKnown for one	On-board	Unknown — not stated by the source
Storage3 differ
Total storage capacityDiffers	128 GB	512 GB
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
SSD capacityDiffers	128 GB	512 GB
Optical drive typeKnown for one	Unknown — not stated by the source	DVD Super Multi DL
Compatible memory cardsDiffers	Memory Stick (MS), MMC, MS Duo, MS PRO, SDHC, SDXC	MMC, SD, SDHC, SDXC
Graphics7 differ
Discrete graphics cardDiffers	No	Yes
Discrete graphics card modelDiffers	Not available	NVIDIA® Quadro® K2100M
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	2 GB
Discrete graphics memory typeKnown for one	Unknown — not stated by the source	GDDR5
On-board graphics card modelDiffers	Intel® HD Graphics 4400	Intel® HD Graphics 4600
On-board graphics card base frequencyDiffers	200 MHz	400 MHz
On-board graphics card dynamic frequency (max)Differs	1100 MHz	1300 MHz
On-board graphics card DirectX versionDiffers	12	11.1
On-board graphics card IDDiffers	0xA16	0x416
Number of discrete graphics cards installedKnown for one	Unknown — not stated by the source	1
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	Dolby Home Theater v4
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Cameraidentical
Front camera resolutionKnown for one	Unknown — not stated by the source	1280 x 720 pixels
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No
Network2 differ
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANDiffers	No	Yes
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100,1000 Mbit/s
Ports & interfaces6 differ
USB 2.0 ports quantityDiffers	0	2
Ethernet LAN (RJ-45) portsDiffers	0	1
DVI portDiffers	Yes	No
VGA (D-Sub) ports quantityDiffers	0	1
Thunderbolt ports quantityDiffers	0	1
Docking connectorDiffers	No	Yes
Mini DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
Micro HDMI ports quantityKnown for one	1	Unknown — not stated by the source
Total number of SATA connectorsKnown for one	4	Unknown — not stated by the source
Number of SATA III connectorsKnown for one	4	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® QM87
Keyboard3 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Numeric keypadDiffers	No	Yes
Spill-resistant keyboardKnown for one	Unknown — not stated by the source	Yes
Full-size keyboardKnown for one	Unknown — not stated by the source	Yes
Keyboard layoutDiffers	AZERTY	QWERTY
Software1 differ
Operating system installedDiffers	Windows 8	FreeDOS
Processor special features9 differ
Intel Rapid Storage TechnologyDiffers	Yes	No
Intel Smart Connect TechnologyDiffers	Yes	No
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
Intel® Active Management Technology (Intel® AMT)Known for one	Unknown — not stated by the source	No
Intel® High Definition Audio (Intel® HD Audio)Differs	Yes	No
Intel® Matrix Storage Technology (Intel® MST)Differs	Yes	No
Intel® Rapid Start TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Smart Response TechnologyKnown for one	Unknown — not stated by the source	No
Processor ARK IDDiffers	75460	75128
Processor codeDiffers	SR16Z	SR15L
Processor package sizeDiffers	40 x 24 x 1.5 mm	37.5 x 37.5 x 4.7 mm
Intel ME Firmware VersionKnown for one	9.5	Unknown — not stated by the source
Intel Smart Connect Technology versionKnown for one	1.00	Unknown — not stated by the source
Battery2 differ
Battery technologyDiffers	Lithium Polymer (LiPo)	Lithium-Ion (Li-Ion)
Number of battery cellsDiffers	6	9
Battery capacityKnown for one	Unknown — not stated by the source	99.9 Wh
Battery life (max)Known for one	Unknown — not stated by the source	6 h
Power1 differ
AC adapter powerDiffers	45 W	170 W
AC adapter output voltageKnown for one	19 V	Unknown — not stated by the source
Security1 differ
Cable lock slotDiffers	No	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes
Password protectionKnown for one	Yes	Unknown — not stated by the source
Password protection typeKnown for one	BIOS, HDD, User	Unknown — not stated by the source
Weight & dimensions5 differ
WeightDiffers	1.4 kg	2.6 kg
WidthDiffers	325 mm	379 mm
DepthDiffers	226 mm	273 mm
Height (front)Differs	3 mm	2.8 cm
Height (rear)Differs	1.8 cm	3.5 cm
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
ManualKnown for one	Unknown — not stated by the source	Yes
Other features1 differ
Intel segment taggingDiffers	Enterprise	Professional
Certificatesidentical
CertificationKnown for one	UL, MIC, CE Marking Compliance, FCC Compliance, BSMI, Australia C-TICK / NZ A-Tick Compliance, CCC, GOST-R, CB, EU Flower, Energy star, IDA	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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