Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A55 Intel® Pentium® D 915 vs Lenovo ThinkCentre M55 Small Desktop - 8808H3G, BE

81specifications compared
9differ
72identical
14known for one product only

Key differences

Processor model
- ThinkCentre A55 Intel® Pentium® D 915:915
- ThinkCentre M55 Small Desktop - 8808H3G, BE:925
Processor frequency
- ThinkCentre A55 Intel® Pentium® D 915:2.8 GHz
- ThinkCentre M55 Small Desktop - 8808H3G, BE:3 GHz
CPU multiplier (bus/core ratio)
- ThinkCentre A55 Intel® Pentium® D 915:14
- ThinkCentre M55 Small Desktop - 8808H3G, BE:15
Internal memory
- ThinkCentre A55 Intel® Pentium® D 915:0.5 GB
- ThinkCentre M55 Small Desktop - 8808H3G, BE:1 GB
Physical Address Extension (PAE)
- ThinkCentre A55 Intel® Pentium® D 915:32 bit
- ThinkCentre M55 Small Desktop - 8808H3G, BE:Yes
Processor ARK ID
- ThinkCentre A55 Intel® Pentium® D 915:27515
- ThinkCentre M55 Small Desktop - 8808H3G, BE:27517
Audio system
- ThinkCentre A55 Intel® Pentium® D 915:ADI 1986 A
- ThinkCentre M55 Small Desktop - 8808H3G, BE:ADI 1983 HD
Height
- ThinkCentre A55 Intel® Pentium® D 915:85 mm
- ThinkCentre M55 Small Desktop - 8808H3G, BE:87.5 mm

Side by side

Differences highlightedShow differences only

Comparison of A55, ThinkCentre M55 Small Desktop - 8808H3G, BE
95 specifications	A Lenovo ThinkCentre A55 Intel® Pentium® D 915 Model A55 View product	B Lenovo ThinkCentre M55 Small Desktop - 8808H3G, BE View product
Processor3 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Pentium® D	Intel® Pentium® D
Processor modelDiffers	915	925
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.8 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 installedKnown for one	Unknown — not stated by the source	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)Differs	14	15
ECC supported by processor	No	No
Memory1 differ
Internal memoryDiffers	0.5 GB	1 GB
Maximum internal memory	4 GB	4 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 1 GB
Memory slots	2x DIMM	2x DIMM
Storageidentical
Total storage capacity	80 GB	80 GB
Optical drive type	DVD-ROM	DVD-ROM
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
Network1 differ
Networking featuresDiffers	Ethernet/Fast Ethernet/Gigabit Ethernet	Gigabit Ethernet
Ports & interfacesidentical
USB 2.0 ports quantity	8	8
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Line-outKnown for one	Unknown — not stated by the source	Yes
Line-inKnown for one	Unknown — not stated by the source	Yes
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
Parallel ports quantity	1	1
DVI portKnown for one	Yes	Unknown — not stated by the source
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
Expansion slotsidentical
Expansion slotsKnown for one	Unknown — not stated by the source	1x PCI Express 1X 1x PCI
Poweridentical
Power supply	225 W	225 W
Designidentical
Chassis type	SFF	SFF
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
Softwareidentical
Operating system installed	Windows XP Professional	Windows XP Professional
Bundled softwareKnown for one	Adobe Acrobat Reader, Diskeeper Lite from Diskeeper, Google Desktop, Google Toolbar, Lotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium edition (license), Picasa, Symantec Client Security (OEM), ThinkVantage Client Security Software, ThinkVantage Productivity Center, ThinkVantage	Unknown — not stated by the source
Displayidentical
Display included	No	No
Processor special features2 differ
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)Differs	32 bit	Yes
Processor ARK IDDiffers	27515	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
Audio1 differ
Audio systemDiffers	ADI 1986 A	ADI 1983 HD
Weight & dimensions1 differ
Width	310 mm	310 mm
Depth	358 mm	358 mm
HeightDiffers	85 mm	87.5 mm
Weight	8.5 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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