Product comparison · 2 laptops

Lenovo ThinkPad T420 i5-2520 processor 320GB/7200rpm4GB MemoryIntel HD Graphics 300014.0 vs Lenovo W520 Intel 2.6GHZ/3MB 4GB Memoryi 7 processorWin 7 64 bit OS: ENGLISH (US) KB: ENGLISH (UK)

Key differences

Display diagonal
- ThinkPad T420 i5-2520 processor 320GB/7200rpm4GB MemoryIntel HD Graphics 300014.0:35.6 cm (14")
- W520 Intel 2.6GHZ/3MB 4GB Memoryi 7 processorWin 7 64 bit OS: ENGLISH (US) KB: ENGLISH (UK):39.6 cm (15.6")
Processor cache
- ThinkPad T420 i5-2520 processor 320GB/7200rpm4GB MemoryIntel HD Graphics 300014.0:3 MB
- W520 Intel 2.6GHZ/3MB 4GB Memoryi 7 processorWin 7 64 bit OS: ENGLISH (US) KB: ENGLISH (UK):4 MB
AC adapter power
- ThinkPad T420 i5-2520 processor 320GB/7200rpm4GB MemoryIntel HD Graphics 300014.0:65 W
- W520 Intel 2.6GHZ/3MB 4GB Memoryi 7 processorWin 7 64 bit OS: ENGLISH (US) KB: ENGLISH (UK):170 W
Weight
- ThinkPad T420 i5-2520 processor 320GB/7200rpm4GB MemoryIntel HD Graphics 300014.0:1.81 kg
- W520 Intel 2.6GHZ/3MB 4GB Memoryi 7 processorWin 7 64 bit OS: ENGLISH (US) KB: ENGLISH (UK):3.11 kg
Depth
- ThinkPad T420 i5-2520 processor 320GB/7200rpm4GB MemoryIntel HD Graphics 300014.0:337 mm
- W520 Intel 2.6GHZ/3MB 4GB Memoryi 7 processorWin 7 64 bit OS: ENGLISH (US) KB: ENGLISH (UK):245.1 mm
Height
- ThinkPad T420 i5-2520 processor 320GB/7200rpm4GB MemoryIntel HD Graphics 300014.0:21.2 mm
- W520 Intel 2.6GHZ/3MB 4GB Memoryi 7 processorWin 7 64 bit OS: ENGLISH (US) KB: ENGLISH (UK):35.6 mm

Differences highlightedShow differences only

Comparison of ThinkPad T420 i5-2520 processor 320GB/7200rpm4GB MemoryIntel HD Graphics 300014.0, W520 Intel 2.6GHZ/3MB 4GB Memoryi 7 processorWin 7 64 bit OS: ENGLISH (US) KB: ENGLISH (UK)
22 specifications	A Lenovo ThinkPad T420 i5-2520 processor 320GB/7200rpm4GB MemoryIntel HD Graphics 300014.0 View product	B Lenovo W520 Intel 2.6GHZ/3MB 4GB Memoryi 7 processorWin 7 64 bit OS: ENGLISH (US) KB: ENGLISH (UK)View product
Display1 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
Processor1 differ
Processor cacheDiffers	3 MB	4 MB
Graphicsidentical
Graphics card familyKnown for one	Unknown — not stated by the source	NVIDIA
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	0.002 GB
Power1 differ
AC adapter powerDiffers	65 W	170 W
Weight & dimensions3 differ
WeightDiffers	1.81 kg	3.11 kg
DepthDiffers	337 mm	245.1 mm
HeightDiffers	21.2 mm	35.6 mm

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.