Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A55 + 1GB vs Lenovo ThinkCentre A57

83specifications compared
16differ
67identical
5known for one product only

Key differences

The Lenovo ThinkCentre A57 has 0.2 GHz more processor frequency than the Lenovo ThinkCentre A55 + 1GB (2.4 GHz vs 2.2 GHz). The Lenovo ThinkCentre A57 has 1 more CPU multiplier (bus/core ratio) than the Lenovo ThinkCentre A55 + 1GB (12 vs 11). The Lenovo ThinkCentre A57 has 1 GB more internal memory than the Lenovo ThinkCentre A55 + 1GB (2 GB vs 1 GB). Processor model: E4500 on the Lenovo ThinkCentre A55 + 1GB, E4600 on the Lenovo ThinkCentre A57. Discrete graphics card model: Intel® GMA 3000 on the Lenovo ThinkCentre A55 + 1GB, Intel® GMA 3100 on the Lenovo ThinkCentre A57.

Processor model
- ThinkCentre A55 + 1GB:E4500
- ThinkCentre A57:E4600
Processor frequency
- ThinkCentre A55 + 1GB:2.2 GHz
- ThinkCentre A57:2.4 GHz
CPU multiplier (bus/core ratio)
- ThinkCentre A55 + 1GB:11
- ThinkCentre A57:12
Internal memory
- ThinkCentre A55 + 1GB:1 GB
- ThinkCentre A57:2 GB
Total storage capacity
- ThinkCentre A55 + 1GB:160 GB
- ThinkCentre A57:250 GB
Discrete graphics card model
- ThinkCentre A55 + 1GB:Intel® GMA 3000
- ThinkCentre A57:Intel® GMA 3100
USB 2.0 ports quantity
- ThinkCentre A55 + 1GB:8
- ThinkCentre A57:6
Power supply
- ThinkCentre A55 + 1GB:225 W
- ThinkCentre A57:280 W

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A55 + 1GB, ThinkCentre A57
88 specifications	A Lenovo ThinkCentre A55 + 1GB View product	B Lenovo ThinkCentre A57 View product
Processor3 differ
Processor modelDiffers	E4500	E4600
Processor frequencyDiffers	2.2 GHz	2.4 GHz
CPU multiplier (bus/core ratio)Differs	11	12
Processor core voltage (AC)Known for one	0.85 - 1.5 V	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	1 GB	2 GB
Memory layout (slots x size)Known for one	Unknown — not stated by the source	2 x 1 GB
Storage1 differ
Total storage capacityDiffers	160 GB	250 GB
Graphics1 differ
Discrete graphics card modelDiffers	Intel® GMA 3000	Intel® GMA 3100
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	8	6
Serial ports quantityKnown for one	1	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	225 W	280 W
Power supply input voltageKnown for one	Unknown — not stated by the source	110 - 220 V
Power supply input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Software1 differ
Operating system installedDiffers	Windows XP Professional	Windows Vista Business
Processor special features2 differ
Processor ARK IDDiffers	30781	32242
Processor codeDiffers	SLA95	SLA94
Audio1 differ
Audio systemDiffers	ADI 1986 A	ALC662
Weight & dimensions4 differ
WidthDiffers	310 mm	317 mm
DepthDiffers	358 mm	355 mm
HeightDiffers	85 mm	99 mm
WeightDiffers	8.5 kg	3.31 kg

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.

More pcs/workstations comparisons

All pcs/workstations comparisons