Product comparison · 2 pcs/workstations

Lenovo ThinkCentre M55p Tower (8811DEG), SP vs Lenovo ThinkCentre M57 Small Desktop (9181-A1G), SE

82specifications compared
22differ
60identical
14known for one product only

Key differences

Processor model
- ThinkCentre M55p Tower (8811DEG), SP:E6400
- ThinkCentre M57 Small Desktop (9181-A1G), SE:E6550
Processor frequency
- ThinkCentre M55p Tower (8811DEG), SP:2.13 GHz
- ThinkCentre M57 Small Desktop (9181-A1G), SE:2.33 GHz
Processor cache
- ThinkCentre M55p Tower (8811DEG), SP:2 MB
- ThinkCentre M57 Small Desktop (9181-A1G), SE:4 MB
Processor front side bus
- ThinkCentre M55p Tower (8811DEG), SP:1066 MHz
- ThinkCentre M57 Small Desktop (9181-A1G), SE:1333 MHz
Tcase
- ThinkCentre M55p Tower (8811DEG), SP:61.4 °C
- ThinkCentre M57 Small Desktop (9181-A1G), SE:72 °C
Number of Processing Die Transistors
- ThinkCentre M55p Tower (8811DEG), SP:167 M
- ThinkCentre M57 Small Desktop (9181-A1G), SE:291 M
Processing Die size
- ThinkCentre M55p Tower (8811DEG), SP:111 mm²
- ThinkCentre M57 Small Desktop (9181-A1G), SE:143 mm²
CPU multiplier (bus/core ratio)
- ThinkCentre M55p Tower (8811DEG), SP:8
- ThinkCentre M57 Small Desktop (9181-A1G), SE:7

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre M55p Tower (8811DEG), SP, ThinkCentre M57 Small Desktop (9181-A1G), SE
96 specifications	A Lenovo ThinkCentre M55p Tower (8811DEG), SP View product	B Lenovo ThinkCentre M57 Small Desktop (9181-A1G), SE View product
Processor8 differ
Processor modelDiffers	E6400	E6550
Processor frequencyDiffers	2.13 GHz	2.33 GHz
Processor cacheDiffers	2 MB	4 MB
Processor front side busDiffers	1066 MHz	1333 MHz
TcaseDiffers	61.4 °C	72 °C
Number of Processing Die TransistorsDiffers	167 M	291 M
Processing Die sizeDiffers	111 mm²	143 mm²
CPU multiplier (bus/core ratio)Differs	8	7
SteppingKnown for one	Unknown — not stated by the source	G0
Memoryidentical
Maximum internal memoryKnown for one	Unknown — not stated by the source	4 GB
Memory slotsKnown for one	Unknown — not stated by the source	4x DIMM
Storage1 differ
Total storage capacityDiffers	80 GB	160 GB
Graphics1 differ
Discrete graphics card modelDiffers	Intel® GMA 3000	Intel® GMA X3100
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	10	6
Headphone outputsKnown for one	Unknown — not stated by the source	1
Microphone inKnown for one	Unknown — not stated by the source	Yes
PS/2 ports quantityKnown for one	Unknown — not stated by the source	1
Serial ports quantityKnown for one	Unknown — not stated by the source	1
Expansion slots1 differ
Expansion slotsDiffers	1x PCI Express 1X 1x PCI Express 16X 2x PCI	1x PCI Express 16X LP 1x PCI LP
Poweridentical
Power requirementsKnown for one	Unknown — not stated by the source	115-230V, 50/60Hz
Power availabilityKnown for one	Unknown — not stated by the source	280 W
Power supplyKnown for one	310 W	Unknown — not stated by the source
Design1 differ
Chassis typeDiffers	Tower	Small Desktop
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows XP Professional	Windows Vista Business
Bundled softwareKnown for one	Unknown — not stated by the source	Yes
Processor special features3 differ
Embedded options availableDiffers	Yes	No
Intel Trusted Execution TechnologyDiffers	No	Yes
Processor ARK IDDiffers	27249	30783
Processor codeKnown for one	Unknown — not stated by the source	SLA9X
Audio1 differ
Audio systemDiffers	ADI 1983 HD	AD1882
Weight & dimensions4 differ
WidthDiffers	178 mm	310 mm
DepthDiffers	450 mm	358 mm
HeightDiffers	432 mm	875 mm
WeightDiffers	12.5 kg	7.42 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.

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