Product comparison · 2 laptops

Lenovo ThinkPad L440 vs Lenovo ThinkPad L540

143specifications compared
26differ
117identical
4known for one product only

Key differences

Display diagonal
- ThinkPad L440:35.6 cm (14")
- ThinkPad L540:38.1 cm (15")
Display resolution
- ThinkPad L440:1366 x 768 pixels
- ThinkPad L540:1920 x 1080 pixels
HD type
- ThinkPad L440:Not supported
- ThinkPad L540:Full HD
Processor family
- ThinkPad L440:Intel® Core™ i5
- ThinkPad L540:Intel® Core™ i7
Processor generation
- ThinkPad L440:4th gen Intel® Core™ i5
- ThinkPad L540:4th gen Intel® Core™ i7
Processor model
- ThinkPad L440:i5-4200M
- ThinkPad L540:i7-4702MQ
Processor cores
- ThinkPad L440:2
- ThinkPad L540:4
Processor threads
- ThinkPad L440:4
- ThinkPad L540:8

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad L440, ThinkPad L540
147 specifications	A Lenovo ThinkPad L440 View product	B Lenovo ThinkPad L540 View product
Designidentical
Product type	Laptop	Laptop
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Display3 differ
Display diagonalDiffers	35.6 cm (14")	38.1 cm (15")
Display resolutionDiffers	1366 x 768 pixels	1920 x 1080 pixels
Touchscreen	No	No
HD typeDiffers	Not supported	Full HD
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Processor10 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	i7-4702MQ
Processor coresDiffers	2	4
Processor threadsDiffers	4	8
Processor boost frequencyDiffers	3.1 GHz	3.2 GHz
Processor frequencyDiffers	2.5 GHz	2.2 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 i7-4700 Mobile series
Processor codename	Haswell	Haswell
Bus typeDiffers	DMI	DMI2
FSB Parity	No	No
Stepping	C0	C0
Thermal Design Power (TDP)	37 W	37 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
Memory1 differ
Internal memoryDiffers	4 GB	8 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedKnown for one	1333 MHz	Unknown — not stated by the source
Maximum internal memory	16 GB	16 GB
Storageidentical
Total storage capacity	500 GB	500 GB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacity	500 GB	500 GB
HDD speed	7200 RPM	7200 RPM
Optical drive type	DVD Super Multi DL	DVD Super Multi DL
Card reader integrated	Yes	Yes
Compatible memory cards	MMC, SD, SDHC, SDXC	MMC, SD, SDHC, SDXC
Graphicsidentical
On-board graphics card	Yes	Yes
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)	1150 MHz	1150 MHz
On-board graphics card DirectX version	11.1	11.1
On-board graphics card ID	0x416	0x416
Audioidentical
Audio system	Dolby Advanced Audio	Dolby Advanced Audio
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Networkidentical
Wi-Fi	Yes	Yes
Wi-Fi standards	802.11a, 802.11b, 802.11g	802.11a, 802.11b, 802.11g
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Ports & interfacesidentical
USB 2.0 ports quantity	3	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	1	1
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
Mini DisplayPorts quantity	1	1
DVI port	No	No
Mini DisplayPort/Thunderbolt combo port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Thunderbolt 2 ports quantity	0	0
Mini HDMI ports quantity	0	0
Micro HDMI ports quantity	0	0
LAN/VGA combo port	No	No
Mini VGA ports quantity	0	0
Headphone outputs	1	1
S/PDIF out port	No	No
Combo headphone/mic port	Yes	Yes
Microphone in	No	No
ExpressCard slot	Yes	Yes
Keyboard1 differ
Pointing device	ThinkPad UltraNav	ThinkPad UltraNav
Numeric keypadDiffers	No	Yes
Software1 differ
Operating system installedDiffers	Windows 8	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Processor special features6 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 Technology	No	No
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)	No	No
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	75119
Processor codeDiffers	SR1HA	SR15J
Processor package sizeDiffers	37.5 x 37.5 x 4.7 mm	37.5 x 32 x 1.6 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
Batteryidentical
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cells	6	6
Battery life (max)Known for one	Unknown — not stated by the source	11 h
Poweridentical
AC adapter frequency	50 - 60 Hz	50 - 60 Hz
AC adapter input voltage	100 - 240 V	100 - 240 V
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	No	No
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions4 differ
WeightDiffers	2.26 kg	2.49 kg
WidthDiffers	344 mm	377 mm
DepthDiffers	239 mm	247 mm
HeightDiffers	29 mm	28.8 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
3D	No	No
TV tuner integrated	No	No
Intel segment tagging	Home office, Small Business	Home office, Small Business

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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