Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A57 T vs Lenovo ThinkCentre M57e

83specifications compared
21differ
62identical
20known for one product only

Key differences

Processor family
- ThinkCentre A57 T:Intel® Core™2 Duo
- ThinkCentre M57e:Intel® Pentium®
Processor model
- ThinkCentre A57 T:E7200
- ThinkCentre M57e:E2200
Processor frequency
- ThinkCentre A57 T:2.53 GHz
- ThinkCentre M57e:2.2 GHz
Processor cache
- ThinkCentre A57 T:3 MB
- ThinkCentre M57e:1 MB
Processor front side bus
- ThinkCentre A57 T:1066 MHz
- ThinkCentre M57e:800 MHz
Processor lithography
- ThinkCentre A57 T:45 nm
- ThinkCentre M57e:65 nm
Processor codename
- ThinkCentre A57 T:Wolfdale
- ThinkCentre M57e:Conroe
Tcase
- ThinkCentre A57 T:74.1 °C
- ThinkCentre M57e:73.3 °C

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A57 T, ThinkCentre M57e
103 specifications	A Lenovo ThinkCentre A57 T View product	B Lenovo ThinkCentre M57e View product
Processor12 differ
Processor familyDiffers	Intel® Core™2 Duo	Intel® Pentium®
Processor modelDiffers	E7200	E2200
Processor frequencyDiffers	2.53 GHz	2.2 GHz
Processor cacheDiffers	3 MB	1 MB
Processor front side busDiffers	1066 MHz	800 MHz
Processor lithographyDiffers	45 nm	65 nm
Processor seriesDiffers	Intel Core 2 Duo E7000 Series	Intel Pentium E2000 Series for Desktop
Processor codenameDiffers	Wolfdale	Conroe
TcaseDiffers	74.1 °C	73.3 °C
Number of Processing Die TransistorsDiffers	228 M	105 M
Processing Die sizeDiffers	82 mm²	77 mm²
CPU multiplier (bus/core ratio)Differs	9.5	11
Memory2 differ
Internal memoryDiffers	2 GB	1 GB
Memory layout (slots x size)Differs	2 x 1 GB	1 x 1 GB
Memory slotsKnown for one	2x DIMM	Unknown — not stated by the source
Storage2 differ
Total storage capacityDiffers	320 GB	160 GB
Optical drive typeDiffers	DVD Super Multi	DVD-ROM
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
Graphicsidentical
On-board graphics card modelKnown for one	Not available	Unknown — not stated by the source
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	8	6
Line-outKnown for one	Yes	Unknown — not stated by the source
Line-inKnown for one	Yes	Unknown — not stated by the source
Serial ports quantityDiffers	0	1
Expansion slotsidentical
PCI Express x1 slotsKnown for one	1	Unknown — not stated by the source
PCI Express x16 slotsKnown for one	1	Unknown — not stated by the source
PCI slotsKnown for one	2	Unknown — not stated by the source
Poweridentical
Power requirementsKnown for one	110-220 V (50/60Hz)	Unknown — not stated by the source
Power consumption (typical)Known for one	280 W	Unknown — not stated by the source
Power supplyKnown for one	Unknown — not stated by the source	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
Designidentical
Product colourKnown for one	Black	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows XP Professional	Windows Vista Business
Processor special features2 differ
Processor ARK IDDiffers	35348	33925
Processor package sizeDiffers	37.5 mm	37.5 x 37.5 mm
Packaging contentidentical
Mouse includedKnown for one	Yes	Unknown — not stated by the source
Optical driveidentical
CD read speedKnown for one	Unknown — not stated by the source	48x
CD write speedKnown for one	Unknown — not stated by the source	48x
CD rewrite speedKnown for one	Unknown — not stated by the source	32x
DVD read speedKnown for one	Unknown — not stated by the source	16x
Other featuresidentical
Intel segment taggingKnown for one	Unknown — not stated by the source	Enterprise, 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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