Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A57 vs Lenovo ThinkCentre M55e Small Desktop (9645-Q1G), SE

80specifications compared
19differ
61identical
17known for one product only

Key differences

Processor model
- ThinkCentre A57:E4600
- ThinkCentre M55e Small Desktop (9645-Q1G), SE:E4300
Processor frequency
- ThinkCentre A57:2.4 GHz
- ThinkCentre M55e Small Desktop (9645-Q1G), SE:1.8 GHz
Tcase
- ThinkCentre A57:73.3 °C
- ThinkCentre M55e Small Desktop (9645-Q1G), SE:61.4 °C
CPU multiplier (bus/core ratio)
- ThinkCentre A57:12
- ThinkCentre M55e Small Desktop (9645-Q1G), SE:9
Internal memory
- ThinkCentre A57:2 GB
- ThinkCentre M55e Small Desktop (9645-Q1G), SE:1 GB
Total storage capacity
- ThinkCentre A57:250 GB
- ThinkCentre M55e Small Desktop (9645-Q1G), SE:80 GB
Optical drive type
- ThinkCentre A57:DVD±RW
- ThinkCentre M55e Small Desktop (9645-Q1G), SE:DVD-ROM
Discrete graphics card model
- ThinkCentre A57:Intel® GMA 3100
- ThinkCentre M55e Small Desktop (9645-Q1G), SE:Intel® GMA 3000

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A57, ThinkCentre M55e Small Desktop (9645-Q1G), SE
97 specifications	A Lenovo ThinkCentre A57 View product	B Lenovo ThinkCentre M55e Small Desktop (9645-Q1G), SE View product
Processor4 differ
Processor modelDiffers	E4600	E4300
Processor frequencyDiffers	2.4 GHz	1.8 GHz
Scenario Design Power (SDP)Known for one	Unknown — not stated by the source	12 W
TcaseDiffers	73.3 °C	61.4 °C
Number of processors installedKnown for one	Unknown — not stated by the source	1
CPU multiplier (bus/core ratio)Differs	12	9
Processor core voltage (AC)Known for one	Unknown — not stated by the source	1.225 - 1.325 V
SteppingKnown for one	M0	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	2 GB	1 GB
Memory layout (slots x size)Known for one	2 x 1 GB	Unknown — not stated by the source
Memory slotsKnown for one	2x DIMM	Unknown — not stated by the source
Storage2 differ
Total storage capacityDiffers	250 GB	80 GB
Optical drive typeDiffers	DVD±RW	DVD-ROM
Graphics1 differ
Discrete graphics card modelDiffers	Intel® GMA 3100	Intel® GMA 3000
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	6	8
Serial ports quantityKnown for one	Unknown — not stated by the source	1
Expansion slotsidentical
Expansion slotsKnown for one	Unknown — not stated by the source	1x PCI 1x PCI Express 1x PCI
Power1 differ
Power supplyDiffers	280 W	225 W
Power supply input voltageKnown for one	110 - 220 V	Unknown — not stated by the source
Power supply input frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
Design1 differ
Chassis typeDiffers	SFF	Small Desktop
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	IBM
Software1 differ
Operating system installedDiffers	Windows Vista Business	Windows XP Professional
Bundled softwareKnown for one	Unknown — not stated by the source	Yes
Processor special features2 differ
Embedded options availableDiffers	No	Yes
Processor ARK IDDiffers	32242	28024
Processor codeKnown for one	SLA94	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	ALC662	ADI 1986 A
Weight & dimensions4 differ
WidthDiffers	317 mm	310 mm
DepthDiffers	355 mm	358 mm
HeightDiffers	99 mm	87.5 mm
WeightDiffers	3.31 kg	8.5 kg
Packaging contentidentical
Mouse includedKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
HDD user passwordKnown for one	Unknown — not stated by the source	Yes
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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