Product comparison · 2 laptops

Lenovo ThinkPad L540 Intel® Core™ i5 i5-4200M Laptop vs Lenovo ThinkPad W540 Intel® Core™ i7 i7-4800MQ Mobile workstation

153specifications compared
45differ
108identical
40known for one product only

Key differences

Product type
- ThinkPad L540 Intel® Core™ i5 i5-4200M Laptop:Laptop
- ThinkPad W540 Intel® Core™ i7 i7-4800MQ Mobile workstation:Mobile workstation
Market positioning
- ThinkPad L540 Intel® Core™ i5 i5-4200M Laptop:Business
- ThinkPad W540 Intel® Core™ i7 i7-4800MQ Mobile workstation:High performance
Processor family
- ThinkPad L540 Intel® Core™ i5 i5-4200M Laptop:Intel® Core™ i5
- ThinkPad W540 Intel® Core™ i7 i7-4800MQ Mobile workstation:Intel® Core™ i7
Processor generation
- ThinkPad L540 Intel® Core™ i5 i5-4200M Laptop:4th gen Intel® Core™ i5
- ThinkPad W540 Intel® Core™ i7 i7-4800MQ Mobile workstation:4th gen Intel® Core™ i7
Processor model
- ThinkPad L540 Intel® Core™ i5 i5-4200M Laptop:i5-4200M
- ThinkPad W540 Intel® Core™ i7 i7-4800MQ Mobile workstation:i7-4800MQ
Processor cores
- ThinkPad L540 Intel® Core™ i5 i5-4200M Laptop:2
- ThinkPad W540 Intel® Core™ i7 i7-4800MQ Mobile workstation:4
Processor threads
- ThinkPad L540 Intel® Core™ i5 i5-4200M Laptop:4
- ThinkPad W540 Intel® Core™ i7 i7-4800MQ Mobile workstation:8
Processor boost frequency
- ThinkPad L540 Intel® Core™ i5 i5-4200M Laptop:3.1 GHz
- ThinkPad W540 Intel® Core™ i7 i7-4800MQ Mobile workstation:3.7 GHz

Side by side

Differences highlightedShow differences only

Comparison of L540, W540
193 specifications	A Lenovo ThinkPad L540 Intel® Core™ i5 i5-4200M Laptop Model L540 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
Dual-screenKnown for one	No	Unknown — not stated by the source
Contrast ratio (typical)Known for one	500:1	Unknown — not stated by the source
Panel typeKnown for one	Unknown — not stated by the source	IPS
Processor11 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Core™ i7
Processor generationDiffers	4th gen Intel® Core™ i5	4th gen Intel® Core™ i7
Processor modelDiffers	i5-4200M	i7-4800MQ
Processor coresDiffers	2	4
Processor threadsDiffers	4	8
Processor boost frequencyDiffers	3.1 GHz	3.7 GHz
Processor frequencyDiffers	2.5 GHz	2.7 GHz
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
Processor cacheDiffers	3 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 i5-4200 Mobile series	Intel Core i7-4800 Mobile series
Processor codename	Haswell	Haswell
Bus typeDiffers	DMI	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
Memory4 differ
Internal memoryDiffers	4 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 layout (slots x size)Differs	1 x 4 GB	1 x 8 GB
Memory slotsDiffers	2x SO-DIMM	4x SO-DIMM
Maximum internal memoryDiffers	16 GB	32 GB
Storage2 differ
Total storage capacityDiffers	516 GB	500 GB
Storage mediaDiffers	HDD+SSD	HDD
Number of HDDs installed	1	1
HDD capacity	500 GB	500 GB
HDD interfaceKnown for one	SATA III	Unknown — not stated by the source
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
HDD size	2.5"	2.5"
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
Optical drive type	DVD±RW	DVD±RW
Card reader integrated	Yes	Yes
Compatible memory cards	MMC, SD, SDHC, SDXC	MMC, SD, SDHC, SDXC
Graphics3 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	No	Yes
Discrete graphics card modelDiffers	Not available	NVIDIA® Quadro® K2100M
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
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
Number of discrete graphics cards installedKnown for one	Unknown — not stated by the source	1
Audio1 differ
Audio systemDiffers	HD	Dolby Home Theater v4
Number of built-in speakers	2	2
Speaker powerKnown for one	2 W	Unknown — not stated by the source
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolution	1280 x 720 pixels	1280 x 720 pixels
Network1 differ
Wi-Fi	Yes	Yes
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
Top Wi-Fi standardKnown for one	Unknown — not stated by the source	Wi-Fi 5 (802.11ac)
Wi-Fi data rate (max)Known for one	Unknown — not stated by the source	300 Mbit/s
Ports & interfaces6 differ
USB 2.0 ports quantityDiffers	3	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	1	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 quantity	0	0
DisplayPorts quantity	0	0
Mini DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantityDiffers	0	1
Headphone outputsDiffers	1	0
S/PDIF out port	No	No
Combo headphone/mic port	Yes	Yes
Microphone inDiffers	Yes	No
Docking connectorDiffers	Yes	No
ExpressCard slotKnown for one	Yes	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
USB Sleep-and-ChargeKnown for one	Yes	Unknown — not stated by the source
USB Sleep-and-Charge portsKnown for one	1	Unknown — not stated by the source
Performance1 differ
Motherboard chipsetDiffers	Intel® HM86	Intel® QM87
Keyboardidentical
Numeric keypad	Yes	Yes
Spill-resistant keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keys	Yes	Yes
Pointing deviceKnown for one	Unknown — not stated by the source	ThinkPad UltraNav
Full-size keyboardKnown for one	Unknown — not stated by the source	Yes
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Recovery operating system	Windows 8 Pro	Windows 8 Pro
Processor special features7 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 StateDiffers	No	Yes
Intel FDI TechnologyDiffers	No	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)Differs	No	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Smart Cache	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	76348	75128
Processor codeDiffers	SR1HA	SR15L
Processor package size	37.5 x 37.5 x 4.7 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
Battery3 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cellsDiffers	6	9
Battery capacityDiffers	56 Wh	9210 mAh
Battery life (max)Differs	11 h	6 h
Poweridentical
AC adapter powerKnown for one	65 W	Unknown — not stated by the source
AC adapter frequency	50 - 60 Hz	50 - 60 Hz
AC adapter input voltage	100 - 240 V	100 - 240 V
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	No	Yes
Fingerprint reader	Yes	Yes
Trusted Platform Module (TPM)Known for one	Yes	Unknown — not stated by the source
Password protectionKnown for one	Yes	Unknown — not stated by the source
Password protection typeKnown for one	HDD, Power on, Supervisor	Unknown — not stated by the source
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 35 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	5 - 43 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	8 - 95%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Operating altitudeKnown for one	0 - 2438 m	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	EPEAT Gold, ENERGY STAR	Unknown — not stated by the source
Weight & dimensions2 differ
WeightDiffers	2.6 kg	2.53 kg
Width	377 mm	377 mm
DepthDiffers	247 mm	248 mm
Height (front)Known for one	3.1 cm	Unknown — not stated by the source
Height (rear)Known for one	3.62 cm	Unknown — not stated by the source
HeightKnown for one	Unknown — not stated by the source	27.9 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Manual	Yes	Yes
Power cord included	Yes	Yes
Quick start guide	Yes	Yes
Other features1 differ
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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