Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A55 870576G, BE vs Lenovo ThinkCentre A55 Tower 92657JG, BE

83specifications compared
5differ
78identical
8known for one product only

Key differences

Internal memory
- ThinkCentre A55 870576G, BE:0.5 GB
- ThinkCentre A55 Tower 92657JG, BE:1 GB
Total storage capacity
- ThinkCentre A55 870576G, BE:80 GB
- ThinkCentre A55 Tower 92657JG, BE:160 GB
Power supply
- ThinkCentre A55 870576G, BE:250 W
- ThinkCentre A55 Tower 92657JG, BE:280 W
Operating system installed
- ThinkCentre A55 870576G, BE:Windows XP Professional
- ThinkCentre A55 Tower 92657JG, BE:Windows Vista Business

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A55 870576G, BE, ThinkCentre A55 Tower 92657JG, BE
91 specifications	A Lenovo ThinkCentre A55 870576G, BE View product	B Lenovo ThinkCentre A55 Tower 92657JG, BE View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Pentium® D	Intel® Pentium® D
Processor model	925	925
Processor cores	2	2
Processor threads	2	2
Processor frequency	3 GHz	3 GHz
Processor cache	4 MB	4 MB
Processor cache type	L2	L2
Processor front side bus	800 MHz	800 MHz
Bus type	FSB	FSB
FSB Parity	No	No
Processor lithography	65 nm	65 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Pentium D 900 Series	Intel Pentium D 900 Series
Processor codename	Presler	Presler
Thermal Design Power (TDP)	95 W	95 W
Tcase	63.4 °C	63.4 °C
Number of processors installed	1	1
Processor socket	LGA 775 (Socket T)	LGA 775 (Socket T)
Number of Processing Die Transistors	376 M	376 M
Processing Die size	162 mm²	162 mm²
CPU multiplier (bus/core ratio)	15	15
ECC supported by processor	No	No
Memory1 differ
Internal memoryDiffers	0.5 GB	1 GB
Maximum internal memoryKnown for one	4 GB	Unknown — not stated by the source
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory layout (slots x size)Known for one	1 x 0.5 GB	Unknown — not stated by the source
Memory slots	2x DIMM	2x DIMM
Storage1 differ
Total storage capacityDiffers	80 GB	160 GB
Optical drive typeKnown for one	DVD-ROM	Unknown — not stated by the source
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Graphicsidentical
Discrete graphics card modelKnown for one	Intel® GMA 3000	Unknown — not stated by the source
Maximum graphics card memoryKnown for one	0.128 GB	Unknown — not stated by the source
Performanceidentical
Product type	PC	PC
Networkidentical
Networking features	Gigabit Ethernet	Gigabit Ethernet
Ports & interfacesidentical
USB 2.0 ports quantity	6	6
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 quantity	2	2
Serial ports quantity	1	1
Parallel ports quantity	1	1
Expansion slotsidentical
Expansion slots	1x PCI Express 1X 1x PCI Express 16X 2x PCI	1x PCI Express 1X 1x PCI Express 16X 2x PCI
Power1 differ
Power supplyDiffers	250 W	280 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
Designidentical
Chassis type	Tower	Tower
Software2 differ
Operating system installedDiffers	Windows XP Professional	Windows Vista Business
Bundled softwareDiffers	Adobe Acrobat Reader Diskeeper Lite Google Desktop Google Toolbar Google Picasa	Adobe Acrobat Reader, Diskeeper Lite, Lotus, Google, ThinkVantage
Displayidentical
Display included	No	No
Processor special featuresidentical
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	No	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)	No	No
Intel Virtualization Technology (VT-x)	No	No
Intel Virtualization Technology for Directed I/O (VT-d)	No	No
Intel® AES New Instructions (Intel® AES-NI)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)	No	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® Wireless Display (Intel® WiDi)	No	No
Physical Address Extension (PAE)	Yes	Yes
Processor ARK ID	27517	27517
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Thermal Monitoring Technologies	No	No
Intel® Turbo Boost Technology	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
Intel® Quick Sync Video Technology	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Conflict-Free processor	No	No
Audioidentical
Audio system	ADI 1986 A	ADI 1986 A
Weight & dimensionsidentical
Width	175 mm	175 mm
Depth	440 mm	440 mm
Height	402 mm	402 mm
WeightKnown for one	Unknown — not stated by the source	10.9 kg
Packaging contentidentical
Mouse included	Yes	Yes

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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