Product comparison · 2 laptops

Lenovo ThinkPad T420s vs Lenovo ThinkPad W520

Key differences

Display diagonal
- ThinkPad T420s:35.6 cm (14")
- ThinkPad W520:39.6 cm (15.6")
Display resolution
- ThinkPad T420s:1600 x 900 pixels
- ThinkPad W520:1920 x 1080 pixels
Processor cache
- ThinkPad T420s:3 MB
- ThinkPad W520:8 MB
HDD capacity
- ThinkPad T420s:320 GB
- ThinkPad W520:500 GB
Maximum resolution
- ThinkPad T420s:1600 x 900 pixels
- ThinkPad W520:1920 x 1080 pixels
AC adapter power
- ThinkPad T420s:65 W
- ThinkPad W520:170 W
Weight
- ThinkPad T420s:1.84 kg
- ThinkPad W520:3.11 kg
Depth
- ThinkPad T420s:337 mm
- ThinkPad W520:245.1 mm

Differences highlightedShow differences only

Comparison of ThinkPad T420s, ThinkPad W520
24 specifications	A Lenovo ThinkPad T420s View product	B Lenovo ThinkPad W520 View product
Display2 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
Display resolutionDiffers	1600 x 900 pixels	1920 x 1080 pixels
HD typeKnown for one	HD+	Unknown — not stated by the source
Processor1 differ
Processor cacheDiffers	3 MB	8 MB
Storage1 differ
HDD capacityDiffers	320 GB	500 GB
Graphics1 differ
Maximum resolutionDiffers	1600 x 900 pixels	1920 x 1080 pixels
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
Audioidentical
Number of built-in speakersKnown for one	2	Unknown — not stated by the source
Batteryidentical
Battery voltageKnown for one	11.1 V	Unknown — not stated by the source
Power1 differ
AC adapter powerDiffers	65 W	170 W
Weight & dimensions3 differ
WeightDiffers	1.84 kg	3.11 kg
DepthDiffers	337 mm	245.1 mm
HeightDiffers	21.2 mm	35.6 mm
Other featuresidentical
Indication lightKnown for one	Yes	Unknown — not stated by the source
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
Supplied AC adapter typeKnown for one	AC	Unknown — not stated by the source
Modem speedKnown for one	Unknown — not stated by the source	56 Kbit/s
Ports & interfacesidentical
Docking connectorKnown for one	Unknown — not stated by the source	Yes

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.