Product comparison · 2 laptops

Lenovo T420s Win 7 US vs Lenovo X220 DOS US

Key differences

Display diagonal
- T420s Win 7 US:35.6 cm (14")
- X220 DOS US:31.8 cm (12.5")
Display resolution
- T420s Win 7 US:1600 x 900 pixels
- X220 DOS US:1366 x 768 pixels
Total storage capacity
- T420s Win 7 US:160 GB
- X220 DOS US:320 GB
Optical drive type
- T420s Win 7 US:DVD-RW
- X220 DOS US:No
Discrete graphics card model
- T420s Win 7 US:NVIDIA® NVS™ 4200M
- X220 DOS US:Intel® HD Graphics 3000
Graphics card family
- T420s Win 7 US:NVIDIA
- X220 DOS US:Intel
Operating system installed
- T420s Win 7 US:Windows 7 Professional
- X220 DOS US:FreeDOS
Number of battery cells
- T420s Win 7 US:6
- X220 DOS US:9

Differences highlightedShow differences only

Comparison of T420s Win 7 US, X220 DOS US
140 specifications	A Lenovo T420s Win 7 US View product	B Lenovo X220 DOS US View product
Display2 differ
Display diagonalDiffers	35.6 cm (14")	31.8 cm (12.5")
Display resolutionDiffers	1600 x 900 pixels	1366 x 768 pixels
HD typeKnown for one	HD+	Unknown — not stated by the source
Storage2 differ
Total storage capacityDiffers	160 GB	320 GB
SSD capacityKnown for one	160 GB	Unknown — not stated by the source
Optical drive typeDiffers	DVD-RW	No
HDD capacityKnown for one	Unknown — not stated by the source	320 GB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
Graphics2 differ
Discrete graphics card modelDiffers	NVIDIA® NVS™ 4200M	Intel® HD Graphics 3000
Graphics card familyDiffers	NVIDIA	Intel
Network1 differ
Wi-Fi standardsDiffers	802.11a, 802.11b, 802.11g	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ports & interfacesidentical
Docking connectorKnown for one	Yes	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 7 Professional	FreeDOS
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Battery1 differ
Number of battery cellsDiffers	6	9
Weight & dimensions5 differ
WeightDiffers	1.75 kg	1.65 kg
WidthDiffers	343 mm	305 mm
DepthDiffers	231 mm	230 mm
Height (front)Differs	2.2 cm	1.9 cm
Height (rear)Differs	2.6 cm	3.5 cm
Other featuresidentical
Intel segment taggingKnown for one	Home office, Small Business	Unknown — not stated by the source

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.