Product comparison · 2 laptops

Lenovo ThinkPad T420 vs Lenovo W520 Intel 2.6GHZ/3MB 4GB Memoryi 7 processorWin 7 64 bit OS: ENGLISH (US) KB: ENGLISH (UK)

14specifications compared
8differ
6identical
9known for one product only

Key differences

The Lenovo W520 Intel 2.6GHZ/3MB 4GB Memoryi 7 processorWin 7 64 bit OS: ENGLISH (US) KB: ENGLISH (UK) has 1 MB more processor cache than the Lenovo ThinkPad T420 (4 MB vs 3 MB). The Lenovo W520 Intel 2.6GHZ/3MB 4GB Memoryi 7 processorWin 7 64 bit OS: ENGLISH (US) KB: ENGLISH (UK) has 105 W more AC adapter power than the Lenovo ThinkPad T420 (170 W vs 65 W). The Lenovo W520 Intel 2.6GHZ/3MB 4GB Memoryi 7 processorWin 7 64 bit OS: ENGLISH (US) KB: ENGLISH (UK) has 1.6 kg more weight than the Lenovo ThinkPad T420 (3.11 kg vs 1.51 kg). Display diagonal: 35.6 cm (14") on the Lenovo ThinkPad T420, 39.6 cm (15.6") on the Lenovo W520 Intel 2.6GHZ/3MB 4GB Memoryi 7 processorWin 7 64 bit OS: ENGLISH (US) KB: ENGLISH (UK). Display resolution: 1366 x 768 pixels on the Lenovo ThinkPad T420, 1600 x 900 pixels on the Lenovo W520 Intel 2.6GHZ/3MB 4GB Memoryi 7 processorWin 7 64 bit OS: ENGLISH (US) KB: ENGLISH (UK).

Display diagonal
- ThinkPad T420:35.6 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")
Display resolution
- ThinkPad T420:1366 x 768 pixels
- W520 Intel 2.6GHZ/3MB 4GB Memoryi 7 processorWin 7 64 bit OS: ENGLISH (US) KB: ENGLISH (UK):1600 x 900 pixels
Processor cache
- ThinkPad T420:3 MB
- W520 Intel 2.6GHZ/3MB 4GB Memoryi 7 processorWin 7 64 bit OS: ENGLISH (US) KB: ENGLISH (UK):4 MB
Maximum resolution
- ThinkPad T420:1366 x 768 pixels
- W520 Intel 2.6GHZ/3MB 4GB Memoryi 7 processorWin 7 64 bit OS: ENGLISH (US) KB: ENGLISH (UK):1600 x 900 pixels
AC adapter power
- ThinkPad T420:65 W
- W520 Intel 2.6GHZ/3MB 4GB Memoryi 7 processorWin 7 64 bit OS: ENGLISH (US) KB: ENGLISH (UK):170 W
Weight
- ThinkPad T420:1.51 kg
- W520 Intel 2.6GHZ/3MB 4GB Memoryi 7 processorWin 7 64 bit OS: ENGLISH (US) KB: ENGLISH (UK):3.11 kg
Depth
- ThinkPad T420:337 mm
- W520 Intel 2.6GHZ/3MB 4GB Memoryi 7 processorWin 7 64 bit OS: ENGLISH (US) KB: ENGLISH (UK):245.1 mm
Height
- ThinkPad T420:21.2 mm
- W520 Intel 2.6GHZ/3MB 4GB Memoryi 7 processorWin 7 64 bit OS: ENGLISH (US) KB: ENGLISH (UK):35.6 mm

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad T420, W520 Intel 2.6GHZ/3MB 4GB Memoryi 7 processorWin 7 64 bit OS: ENGLISH (US) KB: ENGLISH (UK)
23 specifications	A Lenovo ThinkPad T420 View product	B Lenovo W520 Intel 2.6GHZ/3MB 4GB Memoryi 7 processorWin 7 64 bit OS: ENGLISH (US) KB: ENGLISH (UK)View product
Display2 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
Display resolutionDiffers	1366 x 768 pixels	1600 x 900 pixels
HD typeKnown for one	Unknown — not stated by the source	HD+
Processor1 differ
Processor cacheDiffers	3 MB	4 MB
Graphics1 differ
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
Maximum resolutionDiffers	1366 x 768 pixels	1600 x 900 pixels
Audioidentical
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Batteryidentical
Battery voltageKnown for one	Unknown — not stated by the source	10.8 V
Power1 differ
AC adapter powerDiffers	65 W	170 W
Weight & dimensions3 differ
WeightDiffers	1.51 kg	3.11 kg
DepthDiffers	337 mm	245.1 mm
HeightDiffers	21.2 mm	35.6 mm
Other featuresidentical
Indication lightKnown for one	Unknown — not stated by the source	Yes
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Supplied AC adapter typeKnown for one	Unknown — not stated by the source	AC
Modem speedKnown for one	56 Kbit/s	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.

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