Product comparison · 2 pcs/workstations

Acer Aspire E571-C2D vs Lenovo ThinkCentre A55 870576G, BE

79specifications compared
25differ
54identical
18known for one product only

Key differences

Processor family
- Aspire E571-C2D:Intel® Core™2 Duo
- ThinkCentre A55 870576G, BE:Intel® Pentium® D
Processor model
- Aspire E571-C2D:E6300
- ThinkCentre A55 870576G, BE:925
Processor frequency
- Aspire E571-C2D:1.86 GHz
- ThinkCentre A55 870576G, BE:3 GHz
Processor cache
- Aspire E571-C2D:2 MB
- ThinkCentre A55 870576G, BE:4 MB
Processor front side bus
- Aspire E571-C2D:1066 MHz
- ThinkCentre A55 870576G, BE:800 MHz
Processor codename
- Aspire E571-C2D:Conroe
- ThinkCentre A55 870576G, BE:Presler
Thermal Design Power (TDP)
- Aspire E571-C2D:65 W
- ThinkCentre A55 870576G, BE:95 W
Tcase
- Aspire E571-C2D:61.4 °C
- ThinkCentre A55 870576G, BE:63.4 °C

Side by side

Differences highlightedShow differences only

Comparison of Aspire E571-C2D, ThinkCentre A55 870576G, BE
97 specifications	A Acer Aspire E571-C2D View product	B Lenovo ThinkCentre A55 870576G, BE View product
Processor11 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™2 Duo	Intel® Pentium® D
Processor modelDiffers	E6300	925
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	1.86 GHz	3 GHz
Processor cacheDiffers	2 MB	4 MB
Processor cache type	L2	L2
Processor front side busDiffers	1066 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 seriesKnown for one	Unknown — not stated by the source	Intel Pentium D 900 Series
Processor codenameDiffers	Conroe	Presler
Thermal Design Power (TDP)Differs	65 W	95 W
TcaseDiffers	61.4 °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 TransistorsDiffers	167 M	376 M
Processing Die sizeDiffers	111 mm²	162 mm²
CPU multiplier (bus/core ratio)Differs	7	15
ECC supported by processor	No	No
SteppingKnown for one	R0	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	2 GB	0.5 GB
Maximum internal memoryKnown for one	Unknown — not stated by the source	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 0.5 GB
Memory slotsKnown for one	Unknown — not stated by the source	2x DIMM
Storage2 differ
Total storage capacityDiffers	500 GB	80 GB
Optical drive typeDiffers	DVD±RW	DVD-ROM
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Compatible memory cardsKnown for one	MMC, MS Duo, MS Pro, MS Pro Duo, SD, xD	Unknown — not stated by the source
Graphics2 differ
Discrete graphics card modelDiffers	NVIDIA® GeForce® 8800 GTS	Intel® GMA 3000
Maximum graphics card memoryDiffers	0.64 GB	0.128 GB
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
DVI portKnown for one	Yes	Unknown — not stated by the source
Firewire (IEEE 1394) portsKnown for one	1	Unknown — not stated by the source
S/PDIF out portKnown for one	Yes	Unknown — not stated by the source
Expansion slotsidentical
Expansion slotsKnown for one	Unknown — not stated by the source	1x PCI Express 1X 1x PCI Express 16X 2x PCI
Poweridentical
Power supplyKnown for one	Unknown — not stated by the source	250 W
Power supply input voltageKnown for one	Unknown — not stated by the source	110/220 V
Power supply input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Designidentical
Chassis type	Tower	Tower
Software2 differ
Operating system installedDiffers	Windows Vista Home Premium	Windows XP Professional
Bundled softwareDiffers	Symantec Norton AntiVirus 2006, Adobe Acrobat Reader 7.0, NTI CD-Maker Gold, Self Burn Recovery, Acer Empowering Framework, Acer eRecovery Management, Acer eDataSecurity Management, Acer ePerformance Management, Acer e-Mode, Acer e-Console	Adobe Acrobat Reader Diskeeper Lite Google Desktop Google Toolbar Google Picasa
Displayidentical
Display included	No	No
Processor special features3 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)Differs	Yes	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)Known for one	Unknown — not stated by the source	Yes
Processor ARK IDDiffers	27248	27517
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Thermal Monitoring TechnologiesDiffers	Yes	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
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Processor codeKnown for one	SLGW2	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	High Definition Audio 7.1	ADI 1986 A
Weight & dimensions3 differ
WidthDiffers	183 mm	175 mm
DepthDiffers	455 mm	440 mm
HeightDiffers	370 mm	402 mm
Packaging contentidentical
Mouse includedKnown for one	Unknown — not stated by the source	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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