Product comparison · 2 laptops

Lenovo ThinkPad Edge E520 vs Lenovo ThinkPad W520

Key differences

Display resolution
- ThinkPad Edge E520:1366 x 768 pixels
- ThinkPad W520:1920 x 1080 pixels
Processor cache
- ThinkPad Edge E520:3 MB
- ThinkPad W520:8 MB
HDD capacity
- ThinkPad Edge E520:320 GB
- ThinkPad W520:500 GB
Graphics card family
- ThinkPad Edge E520:Intel
- ThinkPad W520:NVIDIA
Maximum resolution
- ThinkPad Edge E520:1366 x 768 pixels
- ThinkPad W520:1920 x 1080 pixels
AC adapter power
- ThinkPad Edge E520:65 W
- ThinkPad W520:170 W
Weight
- ThinkPad Edge E520:2.72 kg
- ThinkPad W520:3.11 kg
Depth
- ThinkPad Edge E520:248.5 mm
- ThinkPad W520:245.1 mm

Differences highlightedShow differences only

Comparison of ThinkPad Edge E520, ThinkPad W520
21 specifications	A Lenovo ThinkPad Edge E520 View product	B Lenovo ThinkPad W520 View product
Display1 differ
Display diagonal	39.6 cm (15.6")	39.6 cm (15.6")
Display resolutionDiffers	1366 x 768 pixels	1920 x 1080 pixels
Processor1 differ
Processor cacheDiffers	3 MB	8 MB
Processor front side bus	1333 MHz	1333 MHz
Memoryidentical
Internal memoryKnown for one	2 GB	Unknown — not stated by the source
Memory clock speed	1333 MHz	1333 MHz
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Storage1 differ
HDD capacityDiffers	320 GB	500 GB
HDD interface	SATA	SATA
Graphics2 differ
Graphics card familyDiffers	Intel	NVIDIA
Maximum resolutionDiffers	1366 x 768 pixels	1920 x 1080 pixels
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	0.002 GB
Audioidentical
Speaker power	1 W	1 W
Softwareidentical
Operating system installedKnown for one	Windows 7 Professional	Unknown — not stated by the source
Power1 differ
AC adapter powerDiffers	65 W	170 W
Weight & dimensions3 differ
WeightDiffers	2.72 kg	3.11 kg
DepthDiffers	248.5 mm	245.1 mm
HeightDiffers	33.7 mm	35.6 mm
Other featuresidentical
Infrared data port	No	No
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.