Product comparison · 2 laptops

Lenovo S540 + OneLink Pro Dock vs Lenovo T440p + CN01

150specifications compared
49differ
101identical
55known for one product only

Key differences

Display diagonal
- S540 + OneLink Pro Dock:39.6 cm (15.6")
- T440p + CN01:35.6 cm (14")
Display resolution
- S540 + OneLink Pro Dock:1920 x 1080 pixels
- T440p + CN01:1600 x 900 pixels
Touchscreen
- S540 + OneLink Pro Dock:Yes
- T440p + CN01:No
HD type
- S540 + OneLink Pro Dock:Full HD
- T440p + CN01:HD+
Display brightness
- S540 + OneLink Pro Dock:300 cd/m²
- T440p + CN01:250 cd/m²
Processor model
- S540 + OneLink Pro Dock:i7-4510U
- T440p + CN01:i7-4700MQ
Processor cores
- S540 + OneLink Pro Dock:2
- T440p + CN01:4
Processor threads
- S540 + OneLink Pro Dock:4
- T440p + CN01:8

Side by side

Differences highlightedShow differences only

Comparison of S540 + OneLink Pro Dock, T440p + CN01
205 specifications	A Lenovo S540 + OneLink Pro Dock View product	B Lenovo T440p + CN01 View product
Design1 differ
Housing materialDiffers	Aluminium	Carbon fibre, Glass fibre, Plastic
Display5 differ
Display diagonalDiffers	39.6 cm (15.6")	35.6 cm (14")
Display resolutionDiffers	1920 x 1080 pixels	1600 x 900 pixels
TouchscreenDiffers	Yes	No
HD typeDiffers	Full HD	HD+
Touch technologyKnown for one	Multi-touch	Unknown — not stated by the source
Display brightnessDiffers	300 cd/m²	250 cd/m²
Processor13 differ
Processor modelDiffers	i7-4510U	i7-4700MQ
Processor coresDiffers	2	4
Processor threadsDiffers	4	8
Processor boost frequencyDiffers	3.1 GHz	3.4 GHz
Processor frequencyDiffers	2 GHz	2.4 GHz
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
Processor cacheDiffers	4 MB	6 MB
Processor socketDiffers	BGA 1168	PGA946
Processor seriesDiffers	Intel Core i7-4500 Mobile series	Intel Core i7-4700 Mobile series
SteppingDiffers	D0	C0
Thermal Design Power (TDP)Differs	15 W	47 W
Maximum number of PCI Express lanesDiffers	12	16
PCI Express configurationsDiffers	4x1, 2x4	1x16, 2x8, 1x8+2x4
PCI Express slots versionDiffers	2.0	3.0
Memoryidentical
Maximum internal memory (64-bit)Known for one	Unknown — not stated by the source	16 GB
Storage3 differ
Total storage capacityDiffers	256 GB	500 GB
Storage mediaDiffers	SSD	HDD
Number of SSDs installedKnown for one	1	Unknown — not stated by the source
SSD capacityKnown for one	256 GB	Unknown — not stated by the source
SSD interfaceKnown for one	SATA III	Unknown — not stated by the source
Optical drive typeDiffers	No	DVD±RW
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD capacityKnown for one	Unknown — not stated by the source	500 GB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA III
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Graphics6 differ
Discrete graphics card modelDiffers	AMD Radeon HD 8670M	NVIDIA® GeForce® GT 730M
Discrete graphics card memoryKnown for one	2 GB	Unknown — not stated by the source
On-board graphics card modelDiffers	Intel® HD Graphics 4400	Intel® HD Graphics 4600
On-board graphics card base frequencyDiffers	200 MHz	400 MHz
On-board graphics card dynamic frequency (max)Differs	1100 MHz	1150 MHz
On-board graphics card DirectX versionDiffers	11.2/12	11.1
On-board graphics card OpenGL versionKnown for one	4.3	Unknown — not stated by the source
On-board graphics card IDDiffers	0xA16	0x416
Number of discrete graphics cards installedKnown for one	Unknown — not stated by the source	1
Number of discrete graphics cards supportedKnown for one	Unknown — not stated by the source	1
Maximum resolutionKnown for one	Unknown — not stated by the source	3840 x 2160 pixels
Graphics card Open GL supportKnown for one	Unknown — not stated by the source	Yes
Audio1 differ
Audio systemDiffers	HD	Dolby Advanced Audio v2
Speaker powerKnown for one	Unknown — not stated by the source	1 W
Cameraidentical
Front camera resolutionKnown for one	1280 x 720 pixels	Unknown — not stated by the source
Optical driveidentical
LightScribeKnown for one	No	Unknown — not stated by the source
Networkidentical
Mobile network connectionKnown for one	Unknown — not stated by the source	Yes
Mobile network generationKnown for one	Unknown — not stated by the source	3G
2G standardsKnown for one	Unknown — not stated by the source	Edge, GPRS, GSM
3G standardsKnown for one	Unknown — not stated by the source	HSPA+
WWANKnown for one	Unknown — not stated by the source	Installed
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	0	2
HDMI ports quantityDiffers	1	0
VGA (D-Sub) ports quantityDiffers	0	1
Headphone outputsKnown for one	1	Unknown — not stated by the source
Microphone inKnown for one	Yes	Unknown — not stated by the source
SmartCard slotDiffers	No	Yes
Number of SATA III connectorsKnown for one	4	Unknown — not stated by the source
Mini DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
Docking connectorKnown for one	Unknown — not stated by the source	Yes
USB Sleep-and-ChargeKnown for one	Unknown — not stated by the source	Yes
USB Sleep-and-Charge portsKnown for one	Unknown — not stated by the source	1
Keyboard1 differ
Numeric keypadDiffers	Yes	No
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Island-style keyboardKnown for one	Unknown — not stated by the source	Yes
Software1 differ
Operating system installedDiffers	Windows 8.1 Pro	Windows 7 Professional
Processor special features5 differ
Intel ME Firmware VersionKnown for one	9.5	Unknown — not stated by the source
Intel Rapid Storage TechnologyDiffers	Yes	No
Intel Smart Connect TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Smart Connect Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel® High Definition Audio (Intel® HD Audio)Known for one	Yes	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)Differs	No	Yes
Processor ARK IDDiffers	81015	75117
Processor codeDiffers	SR1EB	SR15H
Processor package sizeDiffers	40 x 24 x 1.5 mm	37.5 x 32 x 1.6 mm
Battery4 differ
Battery technologyDiffers	Lithium Polymer (LiPo)	Lithium-Ion (Li-Ion)
Number of battery cellsDiffers	4	9
Battery capacityDiffers	62.8 Wh	99.9 Wh
Battery life (max)Differs	6 h	12.7 h
Power1 differ
AC adapter powerDiffers	65 W	135 W
AC adapter frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
AC adapter input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
Docking stationidentical
Docking station connecting interfaceKnown for one	Lenovo OneLink	Unknown — not stated by the source
Docking station Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Docking station USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	4	Unknown — not stated by the source
Docking station DVI portKnown for one	Yes	Unknown — not stated by the source
Docking station DisplayPortKnown for one	Yes	Unknown — not stated by the source
Certificatesidentical
CertificationKnown for one	Unknown — not stated by the source	GREENGUARD
Sustainability1 differ
Sustainability certificatesDiffers	ENERGY STAR	EPEAT Gold, ENERGY STAR
Weight & dimensions3 differ
WeightDiffers	2.36 kg	2.31 kg
WidthDiffers	379 mm	335 mm
DepthDiffers	252.4 mm	229.1 mm
HeightKnown for one	22.8 mm	Unknown — not stated by the source
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
Packaging contentidentical
Docking station includedKnown for one	Yes	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® QM87
GPS (satellite)Known for one	Unknown — not stated by the source	Yes
Other featuresidentical
Intel segment taggingKnown for one	Unknown — not stated by the source	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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