Product comparison · 2 pcs/workstations

Acer Veriton M661 vs Lenovo ThinkCentre M55 Ultra Small Desktop (8795-D2G), SE

30specifications compared
16differ
14identical
60known for one product only

Key differences

Processor family
- Veriton M661:Intel® Core™2 Duo
- ThinkCentre M55 Ultra Small Desktop (8795-D2G), SE:Intel® Pentium® Dual-Core
Processor frequency
- Veriton M661:2.2 GHz
- ThinkCentre M55 Ultra Small Desktop (8795-D2G), SE:1.6 GHz
Processor cache
- Veriton M661:2 MB
- ThinkCentre M55 Ultra Small Desktop (8795-D2G), SE:1 MB
Internal memory
- Veriton M661:2 GB
- ThinkCentre M55 Ultra Small Desktop (8795-D2G), SE:1 GB
Maximum internal memory
- Veriton M661:8 GB
- ThinkCentre M55 Ultra Small Desktop (8795-D2G), SE:4 GB
Optical drive type
- Veriton M661:DVD±RW
- ThinkCentre M55 Ultra Small Desktop (8795-D2G), SE:DVD-RW
Discrete graphics card model
- Veriton M661:Intel® GMA 3100
- ThinkCentre M55 Ultra Small Desktop (8795-D2G), SE:Intel® GMA 3000
USB 2.0 ports quantity
- Veriton M661:10
- ThinkCentre M55 Ultra Small Desktop (8795-D2G), SE:8

Side by side

Differences highlightedShow differences only

Comparison of Veriton M661, ThinkCentre M55 Ultra Small Desktop (8795-D2G), SE
90 specifications	A Acer Veriton M661 View product	B Lenovo ThinkCentre M55 Ultra Small Desktop (8795-D2G), SE View product
Processor3 differ
Processor familyDiffers	Intel® Core™2 Duo	Intel® Pentium® Dual-Core
Processor modelKnown for one	E4500	Unknown — not stated by the source
Processor coresKnown for one	2	Unknown — not stated by the source
Processor threadsKnown for one	2	Unknown — not stated by the source
Processor frequencyDiffers	2.2 GHz	1.6 GHz
Processor cacheDiffers	2 MB	1 MB
Bus typeKnown for one	FSB	Unknown — not stated by the source
FSB ParityKnown for one	No	Unknown — not stated by the source
Processor lithographyKnown for one	65 nm	Unknown — not stated by the source
Processor operating modesKnown for one	64-bit	Unknown — not stated by the source
Processor seriesKnown for one	Intel Core 2 Duo E4000 Series	Unknown — not stated by the source
Processor codenameKnown for one	Conroe	Unknown — not stated by the source
Thermal Design Power (TDP)Known for one	65 W	Unknown — not stated by the source
TcaseKnown for one	73.3 °C	Unknown — not stated by the source
Processor socketKnown for one	LGA 775 (Socket T)	Unknown — not stated by the source
Number of Processing Die TransistorsKnown for one	167 M	Unknown — not stated by the source
Processing Die sizeKnown for one	111 mm²	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	11	Unknown — not stated by the source
Processor core voltage (AC)Known for one	0.85 - 1.5 V	Unknown — not stated by the source
SteppingKnown for one	M0	Unknown — not stated by the source
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Number of processors installedKnown for one	Unknown — not stated by the source	1
Memory2 differ
Internal memoryDiffers	2 GB	1 GB
Maximum internal memoryDiffers	8 GB	4 GB
Storage1 differ
Optical drive typeDiffers	DVD±RW	DVD-RW
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
Graphics1 differ
Discrete graphics card modelDiffers	Intel® GMA 3100	Intel® GMA 3000
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	10	8
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
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	300 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	Acer Empowering Technology, LANScope, Adobe Reader, Cyberlink PowerDVD	Adobe Acrobat Reader Diskeeper 9.0 Home Edition Picasa (Google) Microsoft Office Hybrid Pro Image 2007
Processor special featuresidentical
Embedded options availableKnown for one	No	Unknown — not stated by the source
Enhanced Intel SpeedStep TechnologyKnown for one	Yes	Unknown — not stated by the source
Execute Disable BitKnown for one	Yes	Unknown — not stated by the source
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Intel 64Known for one	Yes	Unknown — not stated by the source
Intel Clear Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel Demand Based SwitchingKnown for one	No	Unknown — not stated by the source
Intel Dual Display Capable TechnologyKnown for one	No	Unknown — not stated by the source
Intel Enhanced Halt StateKnown for one	Yes	Unknown — not stated by the source
Intel FDI TechnologyKnown for one	No	Unknown — not stated by the source
Intel Fast Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Flex Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Rapid Storage TechnologyKnown for one	No	Unknown — not stated by the source
Intel Trusted Execution TechnologyKnown for one	No	Unknown — not stated by the source
Intel VT-x with Extended Page Tables (EPT)Known for one	No	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)Known for one	No	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	No	Unknown — not stated by the source
Intel® AES New Instructions (Intel® AES-NI)Known for one	No	Unknown — not stated by the source
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	No	Unknown — not stated by the source
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	No	Unknown — not stated by the source
Intel® InTru™ 3D TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Insider™Known for one	No	Unknown — not stated by the source
Intel® Wireless Display (Intel® WiDi)Known for one	No	Unknown — not stated by the source
Processor ARK IDKnown for one	30781	Unknown — not stated by the source
Processor codeKnown for one	SLA95	Unknown — not stated by the source
Processor package sizeKnown for one	37.5 x 37.5 mm	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	No	Unknown — not stated by the source
Intel® Quick Sync Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)Known for one	No	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Known for one	No	Unknown — not stated by the source
Conflict-Free processorKnown for one	No	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	Realtek ALC888S	ADI 1983 HD
Weight & dimensions3 differ
WidthDiffers	180 mm	270 mm
DepthDiffers	441.5 mm	87.5 mm
HeightDiffers	367 mm	275 mm
WeightKnown for one	Unknown — not stated by the source	6.4 kg
Other features1 differ
Intel segment taggingDiffers	Enterprise, Small Business	Enterprise, Professional
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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