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
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Market positioningDiffers	Business	High performance
Displayidentical
Display diagonal	39.6 cm (15.6")	39.6 cm (15.6")
Display resolution	1920 x 1080 pixels	1920 x 1080 pixels
Touchscreen	No	No
HD type	Full HD	Full HD
LED backlightKnown for one	Yes	Unknown — not stated by the source
Native aspect ratio	16:9	16:9
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 manufacturer	Intel	Intel
Processor family	Intel® Core™ i7	Intel® Core™ i7
Processor generation	4th gen Intel® Core™ i7	4th gen Intel® Core™ i7
Processor modelDiffers	i7-4702MQ	i7-4800MQ
Processor cores	4	4
Processor threads	8	8
Processor boost frequencyDiffers	3.2 GHz	3.7 GHz
Processor frequencyDiffers	2.2 GHz	2.7 GHz
Processor cache	6 MB	6 MB
Processor cache type	Smart Cache	Smart Cache
Processor socket	PGA946	PGA946
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-4700 Mobile series	Intel Core i7-4800 Mobile series
Processor codename	Haswell	Haswell
Bus type	DMI2	DMI2
FSB Parity	No	No
Stepping	C0	C0
Thermal Design Power (TDP)Differs	37 W	47 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x16, 2x8, 1x8+2x4	1x16, 2x8, 1x8+2x4
PCI Express slots version	3.0	3.0
ECC supported by processor	No	No
Memory2 differ
Internal memory	8 GB	8 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory form factor	SO-DIMM	SO-DIMM
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
Number of HDDs installed	1	1
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
Optical drive type	DVD±RW	DVD±RW
Card reader integrated	Yes	Yes
Compatible memory cards	MMC, SD, SDHC, SDXC	MMC, SD, SDHC, SDXC
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Graphics2 differ
On-board graphics card	Yes	Yes
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	NVIDIA® GeForce® GT 740M	NVIDIA® Quadro® K2100M
Discrete graphics card memory	2 GB	2 GB
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics 4600	Intel® HD Graphics 4600
Maximum on-board graphics card memory	1.74 GB	1.74 GB
On-board graphics card base frequency	400 MHz	400 MHz
On-board graphics card dynamic frequency (max)Differs	1150 MHz	1300 MHz
On-board graphics card DirectX version	11.1	11.1
On-board graphics card ID	0x416	0x416
Number of discrete graphics cards installed	1	1
Discrete graphics memory typeKnown for one	Unknown — not stated by the source	GDDR5
Audio1 differ
Audio systemDiffers	Dolby Advanced Audio	Dolby Home Theater v4
Number of built-in speakers	2	2
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolution	1280 x 720 pixels	1280 x 720 pixels
Network2 differ
Wi-Fi	Yes	Yes
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)
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
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
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
eSATA/USB 2.0 ports quantity	0	0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantity	0	0
eSATA ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityDiffers	1	0
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantityDiffers	0	1
Headphone outputs	0	0
S/PDIF out port	No	No
Combo headphone/mic port	Yes	Yes
Microphone in	No	No
Docking connectorDiffers	Yes	No
ExpressCard slotKnown for one	No	Unknown — not stated by the source
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slotKnown for one	No	Unknown — not stated by the source
Performance1 differ
Motherboard chipsetDiffers	Intel® HM87	Intel® QM87
Keyboardidentical
Pointing device	ThinkPad UltraNav	ThinkPad UltraNav
Numeric keypad	Yes	Yes
Spill-resistant keyboardKnown for one	Yes	Unknown — not stated by the source
Full-size keyboard	Yes	Yes
Windows keys	Yes	Yes
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Recovery operating systemKnown for one	Unknown — not stated by the source	Windows 8 Pro
Processor special features5 differ
Intel® Wireless Display (Intel® WiDi)	Yes	Yes
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Identity Protection Technology version	1.00	1.00
Intel Rapid Storage Technology	No	No
Intel Secure Key Technology version	1.00	1.00
Intel TSX-NI	No	No
Intel TSX-NI version	0.00	0.00
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Anti-Theft Technology (Intel® AT)	Yes	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® InTru™ 3D Technology	Yes	Yes
Intel® Insider™	Yes	Yes
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)Known for one	No	Unknown — not stated by the source
Intel® Smart Cache	Yes	Yes
Intel® Smart Response TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Turbo Boost Technology	2.0	2.0
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
Supported instruction sets	AVX 2.0, SSE4.1, SSE4.2	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Battery2 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cellsDiffers	6	9
Battery capacityDiffers	48 Wh	9210 mAh
Battery life (max)	6 h	6 h
Poweridentical
AC adapter powerKnown for one	90 W	Unknown — not stated by the source
DC-in jack	Yes	Yes
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
Cable lock slot	Yes	Yes
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
Width	377 mm	377 mm
DepthDiffers	250 mm	248 mm
HeightDiffers	26.6 mm	27.9 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Cables includedKnown for one	AC	Unknown — not stated by the source
Manual	Yes	Yes
Quick start guide	Yes	Yes
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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