Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A55 Tower 92657JG, DE vs Lenovo ThinkCentre M55e Tower (9637M1G)

82specifications compared
19differ
63identical
9known for one product only

Key differences

The Lenovo ThinkCentre A55 Tower 92657JG, DE has 0.87 GHz more processor frequency than the Lenovo ThinkCentre M55e Tower (9637M1G) (3 GHz vs 2.13 GHz). The Lenovo ThinkCentre A55 Tower 92657JG, DE has 2 MB more processor cache than the Lenovo ThinkCentre M55e Tower (9637M1G) (4 MB vs 2 MB). The Lenovo ThinkCentre M55e Tower (9637M1G) has 266 MHz more processor front side bus than the Lenovo ThinkCentre A55 Tower 92657JG, DE (1066 MHz vs 800 MHz). Only the Lenovo ThinkCentre M55e Tower (9637M1G) has embedded options available. Only the Lenovo ThinkCentre M55e Tower (9637M1G) has Intel Virtualization Technology (VT-x).

Processor family
- ThinkCentre A55 Tower 92657JG, DE:Intel® Pentium® D
- ThinkCentre M55e Tower (9637M1G):Intel® Core™2 Duo
Processor model
- ThinkCentre A55 Tower 92657JG, DE:925
- ThinkCentre M55e Tower (9637M1G):E6400
Processor frequency
- ThinkCentre A55 Tower 92657JG, DE:3 GHz
- ThinkCentre M55e Tower (9637M1G):2.13 GHz
Processor cache
- ThinkCentre A55 Tower 92657JG, DE:4 MB
- ThinkCentre M55e Tower (9637M1G):2 MB
Processor front side bus
- ThinkCentre A55 Tower 92657JG, DE:800 MHz
- ThinkCentre M55e Tower (9637M1G):1066 MHz
Processor codename
- ThinkCentre A55 Tower 92657JG, DE:Presler
- ThinkCentre M55e Tower (9637M1G):Conroe
Thermal Design Power (TDP)
- ThinkCentre A55 Tower 92657JG, DE:95 W
- ThinkCentre M55e Tower (9637M1G):65 W
Tcase
- ThinkCentre A55 Tower 92657JG, DE:63.4 °C
- ThinkCentre M55e Tower (9637M1G):61.4 °C

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A55 Tower 92657JG, DE, ThinkCentre M55e Tower (9637M1G)
91 specifications	A Lenovo ThinkCentre A55 Tower 92657JG, DE View product	B Lenovo ThinkCentre M55e Tower (9637M1G)View product
Processor12 differ
Processor familyDiffers	Intel® Pentium® D	Intel® Core™2 Duo
Processor modelDiffers	925	E6400
Processor frequencyDiffers	3 GHz	2.13 GHz
Processor cacheDiffers	4 MB	2 MB
Processor front side busDiffers	800 MHz	1066 MHz
Processor seriesDiffers	Intel Pentium D 900 Series	Intel Core 2 Duo E6000 Series
Processor codenameDiffers	Presler	Conroe
Thermal Design Power (TDP)Differs	95 W	65 W
TcaseDiffers	63.4 °C	61.4 °C
Number of Processing Die TransistorsDiffers	376 M	167 M
Processing Die sizeDiffers	162 mm²	111 mm²
CPU multiplier (bus/core ratio)Differs	15	8
Memoryidentical
Maximum internal memoryKnown for one	Unknown — not stated by the source	4 GB
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 1 GB
Storage1 differ
Optical drive typeDiffers	DVD±RW	DVD-ROM
Graphicsidentical
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Intel® GMA 3000
Ports & interfacesidentical
Microphone inKnown for one	Unknown — not stated by the source	Yes
Expansion slots1 differ
Expansion slotsDiffers	1x PCI Express 1X 1x PCI Express 16X 2x PCI	1x PCI Express 16X 1x PCI Express 1X
Designidentical
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Software1 differ
Operating system installedDiffers	Windows Vista Business	Windows XP Professional
Bundled softwareKnown for one	Adobe Acrobat Reader, Diskeeper Lite, Lotus, Google, ThinkVantage	Unknown — not stated by the source
Processor special features4 differ
Embedded options availableDiffers	No	Yes
Intel Virtualization Technology (VT-x)Differs	No	Yes
Processor ARK IDDiffers	27517	27249
Thermal Monitoring TechnologiesDiffers	No	Yes
Physical Address Extension (PAE)Known for one	Yes	Unknown — not stated by the source
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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