Product comparison · 2 laptops

Lenovo ThinkPad Edge E540 Intel® Core™ i7 i7-4702MQ Laptop vs Lenovo ThinkPad W540 Intel® Core™ i7 i7-4800MQ Mobile workstation

153specifications compared
34differ
119identical
26known for one product only

Key differences

Product type
- ThinkPad Edge E540 Intel® Core™ i7 i7-4702MQ Laptop:Laptop
- ThinkPad W540 Intel® Core™ i7 i7-4800MQ Mobile workstation:Mobile workstation
Market positioning
- ThinkPad Edge E540 Intel® Core™ i7 i7-4702MQ Laptop:Business
- ThinkPad W540 Intel® Core™ i7 i7-4800MQ Mobile workstation:High performance
Processor model
- ThinkPad Edge E540 Intel® Core™ i7 i7-4702MQ Laptop:i7-4702MQ
- ThinkPad W540 Intel® Core™ i7 i7-4800MQ Mobile workstation:i7-4800MQ
Processor boost frequency
- ThinkPad Edge E540 Intel® Core™ i7 i7-4702MQ Laptop:3.2 GHz
- ThinkPad W540 Intel® Core™ i7 i7-4800MQ Mobile workstation:3.7 GHz
Processor frequency
- ThinkPad Edge E540 Intel® Core™ i7 i7-4702MQ Laptop:2.2 GHz
- ThinkPad W540 Intel® Core™ i7 i7-4800MQ Mobile workstation:2.7 GHz
Thermal Design Power (TDP)
- ThinkPad Edge E540 Intel® Core™ i7 i7-4702MQ Laptop:37 W
- ThinkPad W540 Intel® Core™ i7 i7-4800MQ Mobile workstation:47 W
Memory slots
- ThinkPad Edge E540 Intel® Core™ i7 i7-4702MQ Laptop:2x SO-DIMM
- ThinkPad W540 Intel® Core™ i7 i7-4800MQ Mobile workstation:4x SO-DIMM
Maximum internal memory
- ThinkPad Edge E540 Intel® Core™ i7 i7-4702MQ Laptop:16 GB
- ThinkPad W540 Intel® Core™ i7 i7-4800MQ Mobile workstation:32 GB

Side by side

Differences highlightedShow differences only

Comparison of E540, W540
179 specifications	A Lenovo ThinkPad Edge E540 Intel® Core™ i7 i7-4702MQ Laptop Model E540 View product	B Lenovo ThinkPad W540 Intel® Core™ i7 i7-4800MQ Mobile workstation Model W540 View product
Design2 differ
Product typeDiffers	Laptop	Mobile workstation
Market positioningDiffers	Business	High performance
Displayidentical
LED backlightKnown for one	Yes	Unknown — not stated by the source
Display brightnessKnown for one	300 cd/m²	Unknown — not stated by the source
Panel typeKnown for one	Unknown — not stated by the source	IPS
Processor5 differ
Processor modelDiffers	i7-4702MQ	i7-4800MQ
Processor boost frequencyDiffers	3.2 GHz	3.7 GHz
Processor frequencyDiffers	2.2 GHz	2.7 GHz
Processor seriesDiffers	Intel Core i7-4700 Mobile series	Intel Core i7-4800 Mobile series
Thermal Design Power (TDP)Differs	37 W	47 W
Memory2 differ
Memory slotsDiffers	2x SO-DIMM	4x SO-DIMM
Maximum internal memoryDiffers	16 GB	32 GB
Maximum internal memory (64-bit)Known for one	16 GB	Unknown — not stated by the source
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 8 GB
Storage3 differ
Total storage capacityDiffers	1 TB	500 GB
Storage mediaDiffers	HDD+SSD	HDD
HDD capacityDiffers	1 TB	500 GB
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
Number of SSDs installedKnown for one	1	Unknown — not stated by the source
SSD capacityKnown for one	16 GB	Unknown — not stated by the source
SSD interfaceKnown for one	mSATA	Unknown — not stated by the source
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Graphics2 differ
Discrete graphics card modelDiffers	NVIDIA® GeForce® GT 740M	NVIDIA® Quadro® K2100M
On-board graphics card dynamic frequency (max)Differs	1150 MHz	1300 MHz
Discrete graphics memory typeKnown for one	Unknown — not stated by the source	GDDR5
Audio1 differ
Audio systemDiffers	Dolby Advanced Audio	Dolby Home Theater v4
Network2 differ
Top Wi-Fi standardDiffers	Wi-Fi 4 (802.11n)	Wi-Fi 5 (802.11ac)
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)
Wi-Fi data rate (max)Known for one	Unknown — not stated by the source	300 Mbit/s
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	1	2
HDMI ports quantityDiffers	1	0
Thunderbolt ports quantityDiffers	0	1
Docking connectorDiffers	Yes	No
ExpressCard slotKnown for one	No	Unknown — not stated by the source
SmartCard slotKnown for one	No	Unknown — not stated by the source
Performance1 differ
Motherboard chipsetDiffers	Intel® HM87	Intel® QM87
Keyboardidentical
Spill-resistant keyboardKnown for one	Yes	Unknown — not stated by the source
Softwareidentical
Recovery operating systemKnown for one	Unknown — not stated by the source	Windows 8 Pro
Processor special features5 differ
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
Intel® Small Business Advantage (Intel® SBA)Known for one	No	Unknown — not stated by the source
Intel® Smart Response TechnologyKnown for one	No	Unknown — not stated by the source
Processor ARK IDDiffers	75119	75128
Processor codeDiffers	SR15J	SR15L
Processor package sizeDiffers	37.5 x 32 x 1.6 mm	37.5 x 37.5 x 4.7 mm
Battery2 differ
Number of battery cellsDiffers	6	9
Battery capacityDiffers	48 Wh	9210 mAh
Poweridentical
AC adapter powerKnown for one	90 W	Unknown — not stated by the source
AC adapter frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
AC adapter input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
Security1 differ
Fingerprint readerDiffers	No	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Weight & dimensions3 differ
WeightDiffers	2.44 kg	2.53 kg
DepthDiffers	250 mm	248 mm
HeightDiffers	26.6 mm	27.9 mm
Packaging contentidentical
Cables includedKnown for one	AC	Unknown — not stated by the source
Power cord includedKnown for one	Unknown — not stated by the source	Yes
Other features1 differ
3DKnown for one	No	Unknown — not stated by the source
Intel segment taggingDiffers	Home office, Small Business	Professional
Optical driveidentical
Disc types supportedKnown for one	Unknown — not stated by the source	CD-R, CD-RW, DVD+R, DVD+RW, DVD-R, DVD-RW

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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