Product comparison · 2 laptops

Lenovo W540 Win7 US vs Lenovo Yoga Win8.1 CH

155specifications compared
71differ
84identical
34known for one product only

Key differences

Product type
- W540 Win7 US:Mobile workstation
- Yoga Win8.1 CH:Hybrid (2-in-1)
Form factor
- W540 Win7 US:Clamshell
- Yoga Win8.1 CH:Convertible (Folder)
Market positioning
- W540 Win7 US:High performance
- Yoga Win8.1 CH:Business
Display diagonal
- W540 Win7 US:39.6 cm (15.6")
- Yoga Win8.1 CH:31.8 cm (12.5")
Display resolution
- W540 Win7 US:2880 x 1620 pixels
- Yoga Win8.1 CH:1920 x 1080 pixels
Touchscreen
- W540 Win7 US:No
- Yoga Win8.1 CH:Yes
Display brightness
- W540 Win7 US:220 cd/m²
- Yoga Win8.1 CH:400 cd/m²
Processor family
- W540 Win7 US:Intel® Core™ i7
- Yoga Win8.1 CH:Intel® Core™ i5

Side by side

Differences highlightedShow differences only

Comparison of W540 Win7 US, Yoga Win8.1 CH
189 specifications	A Lenovo W540 Win7 US View product	B Lenovo Yoga Win8.1 CH View product
Design3 differ
Product typeDiffers	Mobile workstation	Hybrid (2-in-1)
Form factorDiffers	Clamshell	Convertible (Folder)
Housing materialKnown for one	Unknown — not stated by the source	Magnesium
Market positioningDiffers	High performance	Business
Product colourKnown for one	Black	Unknown — not stated by the source
Display4 differ
Display diagonalDiffers	39.6 cm (15.6")	31.8 cm (12.5")
Display resolutionDiffers	2880 x 1620 pixels	1920 x 1080 pixels
TouchscreenDiffers	No	Yes
HD typeKnown for one	Unknown — not stated by the source	Full HD
Touch technologyKnown for one	Unknown — not stated by the source	Multi-touch
Display brightnessDiffers	220 cd/m²	400 cd/m²
Processor14 differ
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i5
Processor generationDiffers	4th gen Intel® Core™ i7	4th gen Intel® Core™ i5
Processor modelDiffers	i7-4810MQ	i5-4210U
Processor coresDiffers	4	2
Processor threadsDiffers	8	4
Processor boost frequencyDiffers	3.8 GHz	2.7 GHz
Processor frequencyDiffers	2.8 GHz	1.7 GHz
Processor cacheDiffers	6 MB	3 MB
Processor socketKnown for one	Unknown — not stated by the source	BGA 1168
Processor seriesDiffers	Intel Core i7-4800 Mobile series	Intel Core i5-4200 Mobile series
SteppingDiffers	C0	D0
Thermal Design Power (TDP)Differs	47 W	15 W
Maximum number of PCI Express lanesDiffers	16	12
PCI Express configurationsDiffers	1x16, 2x8, 1x8+2x4	4x1, 2x4
PCI Express slots versionDiffers	3.0	2.0
Memory4 differ
Internal memoryDiffers	16 GB	8 GB
Memory form factorDiffers	SO-DIMM	On-board
Memory layout (slots x size)Differs	2 x 8 GB	1 x 8 GB
Maximum internal memoryDiffers	32 GB	8 GB
Memory slotsKnown for one	4x SO-DIMM	Unknown — not stated by the source
Maximum internal memory (64-bit)Known for one	32 GB	Unknown — not stated by the source
Storage4 differ
Total storage capacityDiffers	512 GB	256 GB
SSD capacityDiffers	512 GB	256 GB
Optical drive typeDiffers	DVD Super Multi DL	No
Compatible memory cardsDiffers	MMC, SD, SDHC, SDXC	Memory Stick (MS), MMC, MS PRO, SD
Graphics7 differ
Discrete graphics cardDiffers	Yes	No
Discrete graphics card modelDiffers	NVIDIA® Quadro® K2100M	Not available
On-board graphics card modelDiffers	Intel® HD Graphics 4600	Intel® HD Graphics 4400
On-board graphics card base frequencyDiffers	400 MHz	200 MHz
On-board graphics card dynamic frequency (max)Differs	1300 MHz	1000 MHz
On-board graphics card DirectX versionDiffers	11.1	12
On-board graphics card IDDiffers	0x416	0xA16
Discrete graphics card memoryKnown for one	2 GB	Unknown — not stated by the source
Discrete graphics memory typeKnown for one	GDDR5	Unknown — not stated by the source
Number of discrete graphics cards installedKnown for one	1	Unknown — not stated by the source
Number of discrete graphics cards supportedKnown for one	1	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	Dolby Home Theater v4	Dolby Home Theater
Speaker powerKnown for one	Unknown — not stated by the source	1 W
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No
Network1 differ
Top Wi-Fi standardKnown for one	Unknown — not stated by the source	Wi-Fi 5 (802.11ac)
Ethernet LANDiffers	Yes	No
Near Field Communication (NFC)Known for one	Unknown — not stated by the source	Yes
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Ports & interfaces6 differ
USB 2.0 ports quantityDiffers	2	0
Ethernet LAN (RJ-45) portsDiffers	1	0
VGA (D-Sub) ports quantityDiffers	1	0
Thunderbolt ports quantityDiffers	1	0
Mini HDMI ports quantityKnown for one	Unknown — not stated by the source	1
Docking connectorDiffers	No	Yes
ExpressCard slotDiffers	Yes	No
SmartCard slotKnown for one	Unknown — not stated by the source	No
Total number of SATA connectorsKnown for one	Unknown — not stated by the source	4
Number of SATA III connectorsKnown for one	Unknown — not stated by the source	4
Performance1 differ
Motherboard chipsetDiffers	Intel® QM87	Intel SoC
Keyboard3 differ
Pointing deviceDiffers	ThinkPad UltraNav	Touchpad
Numeric keypadDiffers	Yes	No
Keyboard layoutDiffers	QWERTY	QWERTZ
Built-in touchpadKnown for one	Unknown — not stated by the source	Yes
Keyboard backlitKnown for one	Yes	Unknown — not stated by the source
Spill-resistant keyboardKnown for one	Yes	Unknown — not stated by the source
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Windows 8.1 Pro
Recovery operating systemKnown for one	Windows 8.1 Pro	Unknown — not stated by the source
Processor special features12 differ
Intel Demand Based SwitchingDiffers	Yes	No
Intel FDI TechnologyDiffers	Yes	No
Intel ME Firmware VersionKnown for one	Unknown — not stated by the source	9.5
Intel Rapid Storage TechnologyDiffers	No	Yes
Intel Smart Connect TechnologyDiffers	No	Yes
Intel Smart Connect Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Trusted Execution TechnologyDiffers	Yes	No
Intel Virtualization Technology for Directed I/O (VT-d)Differs	Yes	No
Intel® High Definition Audio (Intel® HD Audio)Differs	No	Yes
Intel® My WiFi Technology (Intel® MWT)Differs	Yes	No
Processor ARK IDDiffers	78937	81016
Processor codeDiffers	SR15K	SR1EF
Processor package sizeDiffers	37.5 x 37.5 x 4.7 mm	40 x 24 x 1.5 mm
Supported instruction setsDiffers	AVX 2.0	AVX 2.0, SSE4.1, SSE4.2
UARTKnown for one	Unknown — not stated by the source	Yes
Intel QuickPath InterconnectKnown for one	Yes	Unknown — not stated by the source
Battery4 differ
Battery technologyDiffers	Lithium-Ion (Li-Ion)	Lithium Polymer (LiPo)
Number of battery cellsDiffers	9	8
Battery capacityDiffers	99.9 Wh	47 Wh
Battery life (max)Differs	9 h	7 h
Power1 differ
AC adapter powerDiffers	170 W	45 W
Securityidentical
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions5 differ
WeightDiffers	2.6 kg	1.6 kg
WidthDiffers	379 mm	316 mm
DepthDiffers	273 mm	221 mm
Height (front)Differs	2.8 cm	1.9 cm
Height (rear)Differs	3.5 cm	1.9 cm
Packaging contentidentical
Stylus penKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Intel segment taggingKnown for one	Professional	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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