Product comparison · 2 pcs/workstations

Lenovo ThinkCentre M91 vs Lenovo ThinkStation E20 TOPSELLER

8specifications compared
7differ
1identical
8known for one product only

Key differences

The Lenovo ThinkStation E20 TOPSELLER has 1 MB more processor cache than the Lenovo ThinkCentre M91 (4 MB vs 3 MB). The Lenovo ThinkStation E20 TOPSELLER has 2 GB more internal memory than the Lenovo ThinkCentre M91 (4 GB vs 2 GB). The Lenovo ThinkStation E20 TOPSELLER has 250 GB more HDD capacity than the Lenovo ThinkCentre M91 (500 GB vs 250 GB).

Processor cache
- ThinkCentre M91:3 MB
- ThinkStation E20 TOPSELLER:4 MB
Internal memory
- ThinkCentre M91:2 GB
- ThinkStation E20 TOPSELLER:4 GB
HDD capacity
- ThinkCentre M91:250 GB
- ThinkStation E20 TOPSELLER:500 GB
Power supply
- ThinkCentre M91:240 W
- ThinkStation E20 TOPSELLER:280 W
Width
- ThinkCentre M91:337 mm
- ThinkStation E20 TOPSELLER:175 mm
Depth
- ThinkCentre M91:369 mm
- ThinkStation E20 TOPSELLER:430.8 mm
Height
- ThinkCentre M91:99.7 mm
- ThinkStation E20 TOPSELLER:425.2 mm

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre M91, ThinkStation E20 TOPSELLER
16 specifications	A Lenovo ThinkCentre M91 View product	B Lenovo ThinkStation E20 TOPSELLER View product
Processor1 differ
Processor cacheDiffers	3 MB	4 MB
Processor frequencyKnown for one	Unknown — not stated by the source	3.6 GHz
Processor front side busKnown for one	Unknown — not stated by the source	1333 MHz
Memory1 differ
Internal memoryDiffers	2 GB	4 GB
Memory clock speed	1333 MHz	1333 MHz
Storage1 differ
HDD capacityDiffers	250 GB	500 GB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
Graphicsidentical
Maximum resolutionKnown for one	2048 x 1536 pixels	Unknown — not stated by the source
Performanceidentical
Product typeKnown for one	PC	Unknown — not stated by the source
Expansion slotsidentical
Number of slotsKnown for one	2	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	240 W	280 W
Ergonomicsidentical
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	337 mm	175 mm
DepthDiffers	369 mm	430.8 mm
HeightDiffers	99.7 mm	425.2 mm
Softwareidentical
Operating system installedKnown for one	Unknown — not stated by the source	Windows 7 Professional

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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