Product comparison · 2 laptops

Lenovo ThinkPad T420 Intel® Core™ i7 i7-2620M vs Lenovo ThinkPad T520 Intel® Core™ i7 i7-2620M

Key differences

Display diagonal
- ThinkPad T420 Intel® Core™ i7 i7-2620M:35.6 cm (14")
- ThinkPad T520 Intel® Core™ i7 i7-2620M:39.6 cm (15.6")
Maximum resolution
- ThinkPad T420 Intel® Core™ i7 i7-2620M:2048 x 1536 pixels
- ThinkPad T520 Intel® Core™ i7 i7-2620M:1600 x 900 pixels
USB 2.0 ports quantity
- ThinkPad T420 Intel® Core™ i7 i7-2620M:2
- ThinkPad T520 Intel® Core™ i7 i7-2620M:3
Battery life (max)
- ThinkPad T420 Intel® Core™ i7 i7-2620M:9 h
- ThinkPad T520 Intel® Core™ i7 i7-2620M:11 h
Weight
- ThinkPad T420 Intel® Core™ i7 i7-2620M:2.24 kg
- ThinkPad T520 Intel® Core™ i7 i7-2620M:2.51 kg
Width
- ThinkPad T420 Intel® Core™ i7 i7-2620M:340 mm
- ThinkPad T520 Intel® Core™ i7 i7-2620M:373 mm
Depth
- ThinkPad T420 Intel® Core™ i7 i7-2620M:229.8 mm
- ThinkPad T520 Intel® Core™ i7 i7-2620M:245 mm
Height
- ThinkPad T420 Intel® Core™ i7 i7-2620M:21.2 mm
- ThinkPad T520 Intel® Core™ i7 i7-2620M:35.6 mm

Differences highlightedShow differences only

Comparison of T420, T520
153 specifications	A Lenovo ThinkPad T420 Intel® Core™ i7 i7-2620M Model T420 View product	B Lenovo ThinkPad T520 Intel® Core™ i7 i7-2620M Model T520 View product
Designidentical
Product colourKnown for one	Unknown — not stated by the source	Black
Display1 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
Display brightnessKnown for one	230 cd/m²	Unknown — not stated by the source
Graphics1 differ
Maximum resolutionDiffers	2048 x 1536 pixels	1600 x 900 pixels
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
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	2	3
Battery1 differ
Battery life (max)Differs	9 h	11 h
Weight & dimensions6 differ
WeightDiffers	2.24 kg	2.51 kg
WidthDiffers	340 mm	373 mm
DepthDiffers	229.8 mm	245 mm
HeightDiffers	21.2 mm	35.6 mm
Height (front)Differs	2.99 cm	3.18 cm
Height (rear)Differs	3.04 cm	3.56 cm

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.