Product comparison · 2 laptops

Lenovo ThinkPad Edge E540 Intel® Core™ i7 i7-4702MQ Laptop vs Lenovo ThinkPad T440p Intel® Core™ i5 i5-4200M Laptop

157specifications compared
41differ
116identical
31known for one product only

Key differences

Display diagonal
- ThinkPad Edge E540 Intel® Core™ i7 i7-4702MQ Laptop:39.6 cm (15.6")
- ThinkPad T440p Intel® Core™ i5 i5-4200M Laptop:35.6 cm (14")
Display resolution
- ThinkPad Edge E540 Intel® Core™ i7 i7-4702MQ Laptop:1920 x 1080 pixels
- ThinkPad T440p Intel® Core™ i5 i5-4200M Laptop:1366 x 768 pixels
HD type
- ThinkPad Edge E540 Intel® Core™ i7 i7-4702MQ Laptop:Full HD
- ThinkPad T440p Intel® Core™ i5 i5-4200M Laptop:Not supported
Display brightness
- ThinkPad Edge E540 Intel® Core™ i7 i7-4702MQ Laptop:300 cd/m²
- ThinkPad T440p Intel® Core™ i5 i5-4200M Laptop:200 cd/m²
Processor family
- ThinkPad Edge E540 Intel® Core™ i7 i7-4702MQ Laptop:Intel® Core™ i7
- ThinkPad T440p Intel® Core™ i5 i5-4200M Laptop:Intel® Core™ i5
Processor generation
- ThinkPad Edge E540 Intel® Core™ i7 i7-4702MQ Laptop:4th gen Intel® Core™ i7
- ThinkPad T440p Intel® Core™ i5 i5-4200M Laptop:4th gen Intel® Core™ i5
Processor model
- ThinkPad Edge E540 Intel® Core™ i7 i7-4702MQ Laptop:i7-4702MQ
- ThinkPad T440p Intel® Core™ i5 i5-4200M Laptop:i5-4200M
Processor cores
- ThinkPad Edge E540 Intel® Core™ i7 i7-4702MQ Laptop:4
- ThinkPad T440p Intel® Core™ i5 i5-4200M Laptop:2

Side by side

Differences highlightedShow differences only

Comparison of E540, T440p
188 specifications	A Lenovo ThinkPad Edge E540 Intel® Core™ i7 i7-4702MQ Laptop Model E540 View product	B Lenovo ThinkPad T440p Intel® Core™ i5 i5-4200M Laptop Model T440p View product
Designidentical
Product type	Laptop	Laptop
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Market positioning	Business	Business
Display4 differ
Display diagonalDiffers	39.6 cm (15.6")	35.6 cm (14")
Display resolutionDiffers	1920 x 1080 pixels	1366 x 768 pixels
Touchscreen	No	No
HD typeDiffers	Full HD	Not supported
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display surfaceKnown for one	Unknown — not stated by the source	Matt
Display brightnessDiffers	300 cd/m²	200 cd/m²
Contrast ratio (typical)Known for one	Unknown — not stated by the source	300:1
Processor10 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i5
Processor generationDiffers	4th gen Intel® Core™ i7	4th gen Intel® Core™ i5
Processor modelDiffers	i7-4702MQ	i5-4200M
Processor coresDiffers	4	2
Processor threadsDiffers	8	4
Processor boost frequencyDiffers	3.2 GHz	3.1 GHz
Processor frequencyDiffers	2.2 GHz	2.5 GHz
System bus rateKnown for one	Unknown — not stated by the source	5 GT/s
Processor cacheDiffers	6 MB	3 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 i5-4200 Mobile series
Processor codename	Haswell	Haswell
Bus typeDiffers	DMI2	DMI
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
Memory2 differ
Internal memoryDiffers	8 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedDiffers	1600 MHz	1066 MHz
Memory form factor	SO-DIMM	SO-DIMM
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 4 GB
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	16 GB	16 GB
Maximum internal memory (64-bit)Known for one	16 GB	Unknown — not stated by the source
Storage4 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 interfaceKnown for one	Unknown — not stated by the source	SATA III
HDD speedDiffers	5400 RPM	7200 RPM
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Optical drive type	DVD±RW	DVD±RW
Card reader integrated	Yes	Yes
Compatible memory cards	MMC, SD, SDHC, SDXC	MMC, SD, SDHC, SDXC
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
Graphics2 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	Yes	No
Discrete graphics card modelDiffers	NVIDIA® GeForce® GT 740M	Not available
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
Discrete graphics card memoryKnown for one	2 GB	Unknown — not stated by the source
Number of discrete graphics cards installedKnown for one	1	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	Dolby Advanced Audio	Dolby Advanced Audio v2
Number of built-in speakers	2	2
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolutionKnown for one	1280 x 720 pixels	Unknown — not stated by the source
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)
Wi-Fi data rate (max)Known for one	Unknown — not stated by the source	300 Mbit/s
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
Ports & interfaces2 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
Mini DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Headphone outputs	0	0
S/PDIF out port	No	No
Combo headphone/mic port	Yes	Yes
Microphone in	No	No
Docking connector	Yes	Yes
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Performance1 differ
Motherboard chipsetDiffers	Intel® HM87	Intel® QM87
Keyboard1 differ
Pointing device	ThinkPad UltraNav	ThinkPad UltraNav
Keyboard backlitKnown for one	Unknown — not stated by the source	Yes
Numeric keypadDiffers	Yes	No
Spill-resistant keyboard	Yes	Yes
Windows keys	Yes	Yes
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
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 8.1 Pro
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	Yes	No
Intel FDI TechnologyDiffers	Yes	No
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	Yes	No
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)	No	No
Intel® Smart Cache	Yes	Yes
Intel® Smart Response Technology	No	No
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	75119	76348
Processor codeDiffers	SR15J	SR1HA
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
Battery1 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cells	6	6
Battery capacityDiffers	48 Wh	56 Wh
Battery life (max)Known for one	6 h	Unknown — not stated by the source
Power1 differ
AC adapter powerDiffers	90 W	65 W
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
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	Yes	No
Fingerprint reader	No	No
Password protectionKnown for one	Unknown — not stated by the source	Yes
Password protection typeKnown for one	Unknown — not stated by the source	HDD, Power on, Supervisor
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
CertificationKnown for one	Unknown — not stated by the source	GREENGUARD
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	EPEAT Gold, ENERGY STAR
Weight & dimensions3 differ
WeightDiffers	2.44 kg	2.14 kg
WidthDiffers	377 mm	335 mm
DepthDiffers	250 mm	229.1 mm
Height (front)Known for one	Unknown — not stated by the source	2.79 cm
Height (rear)Known for one	Unknown — not stated by the source	3 cm
HeightKnown for one	26.6 mm	Unknown — not stated by the source
Packaging contentidentical
AC adapter included	Yes	Yes
Cables included	AC	AC
Manual	Yes	Yes
Power cord includedKnown for one	Unknown — not stated by the source	Yes
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
3D	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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