Product comparison · 2 pcs/workstations

Lenovo Think Centre A55 vs Lenovo ThinkCentre M55 Ultra Small Desktop (8795-D2G), DE

29specifications compared
10differ
19identical
15known for one product only

Key differences

Optical drive type
- Think Centre A55:DVD-ROM
- ThinkCentre M55 Ultra Small Desktop (8795-D2G), DE:DVD-RW
USB 2.0 ports quantity
- Think Centre A55:6
- ThinkCentre M55 Ultra Small Desktop (8795-D2G), DE:8
Power supply
- Think Centre A55:280 W
- ThinkCentre M55 Ultra Small Desktop (8795-D2G), DE:225 W
Operating system installed
- Think Centre A55:Windows XP Professional
- ThinkCentre M55 Ultra Small Desktop (8795-D2G), DE:Windows Vista Business
Audio system
- Think Centre A55:ADI 1986 A
- ThinkCentre M55 Ultra Small Desktop (8795-D2G), DE:ADI 1983 HD
Width
- Think Centre A55:175 mm
- ThinkCentre M55 Ultra Small Desktop (8795-D2G), DE:270 mm
Depth
- Think Centre A55:440 mm
- ThinkCentre M55 Ultra Small Desktop (8795-D2G), DE:87.5 mm
Height
- Think Centre A55:402 mm
- ThinkCentre M55 Ultra Small Desktop (8795-D2G), DE:275 mm

Side by side

Differences highlightedShow differences only

Comparison of Think Centre A55, ThinkCentre M55 Ultra Small Desktop (8795-D2G), DE
44 specifications	A Lenovo Think Centre A55 View product	B Lenovo ThinkCentre M55 Ultra Small Desktop (8795-D2G), DE View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Pentium® Dual-Core	Intel® Pentium® Dual-Core
Processor frequency	1.6 GHz	1.6 GHz
Processor front side bus	800 MHz	800 MHz
Processor cacheKnown for one	Unknown — not stated by the source	1 MB
Processor cache typeKnown for one	Unknown — not stated by the source	L2
Number of processors installedKnown for one	Unknown — not stated by the source	1
Memoryidentical
Internal memory	1 GB	1 GB
Maximum internal memory	4 GB	4 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory slotsKnown for one	2x DIMM	Unknown — not stated by the source
Storage1 differ
Total storage capacity	160 GB	160 GB
Optical drive typeDiffers	DVD-ROM	DVD-RW
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Graphicsidentical
Discrete graphics card model	Intel® GMA 3000	Intel® GMA 3000
Performanceidentical
Product type	PC	PC
Optical driveidentical
CD read speedKnown for one	48x	Unknown — not stated by the source
CD write speedKnown for one	48x	Unknown — not stated by the source
CD rewrite speedKnown for one	32x	Unknown — not stated by the source
DVD read speedKnown for one	16x	Unknown — not stated by the source
Networkidentical
Networking features	Gigabit Ethernet	Gigabit Ethernet
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	6	8
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
PS/2 ports quantityKnown for one	2	Unknown — not stated by the source
Serial ports quantityKnown for one	1	Unknown — not stated by the source
Parallel ports quantity	1	1
Line-outKnown for one	Unknown — not stated by the source	Yes
Line-inKnown for one	Unknown — not stated by the source	Yes
Power1 differ
Power supplyDiffers	280 W	225 W
Designidentical
Chassis typeKnown for one	Tower	Unknown — not stated by the source
Software2 differ
Operating system installedDiffers	Windows XP Professional	Windows Vista Business
Bundled softwareDiffers	Adobe Acrobat Reader, Diskeeper Lite from Diskeeper, Google Desktop, Google Toolbar, Lotus Notes Stand-alone Client, Lotus SmartSuite Millennium edition, Picasa - Google, PC Doctor diagnostics, Symantec Client Security (OEM), ThinkVantage Client Security Software, ThinkVantage Productivity Center, T	Adobe Acrobat Reader Diskeeper 9.0 Home Edition Picasa (Google) Microsoft Office Hybrid Pro Image 2007
Displayidentical
Display included	No	No
Audio1 differ
Audio systemDiffers	ADI 1986 A	ADI 1983 HD
Weight & dimensions4 differ
WidthDiffers	175 mm	270 mm
DepthDiffers	440 mm	87.5 mm
HeightDiffers	402 mm	275 mm
WeightDiffers	10.9 kg	6.4 kg
Packaging contentidentical
Mouse includedKnown for one	Unknown — not stated by the source	Yes
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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