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Product comparison · 2 pcs/workstations

Acer Veriton M661 vs Lenovo ThinkCentre M55 Desktop (8810H5G)

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  • 30specifications compared
  • 15differ
  • 15identical
  • 65known for one product only

Key differences

  • Processor family
    • Intel® Core™2 Duo
    • Intel® Pentium® Dual-Core
  • Processor frequency
    • 2.2 GHz
    • 1.6 GHz
  • Processor cache
    • 2 MB
    • 1 MB
  • Internal memory
    • 2 GB
    • 1 GB
  • Optical drive type
    • DVD±RW
    • DVD-RW
  • Discrete graphics card model
    • Intel® GMA 3100
    • Intel® GMA 3000
  • Power supply
    • 300 W
    • 225 W
  • Chassis type
    • Tower
    • Desktop

Side by side

Differences highlightedShow differences only
95 specifications
A

Acer

Veriton M661View product
B

Lenovo

ThinkCentre M55 Desktop (8810H5G)View product
Processor3 differ
Processor familyDiffersIntel® Core™2 DuoIntel® Pentium® Dual-Core
Processor modelKnown for oneE4500
Processor coresKnown for one2
Processor threadsKnown for one2
Processor frequencyDiffers2.2 GHz1.6 GHz
Processor cacheDiffers2 MB1 MB
Bus typeKnown for oneFSB
FSB ParityKnown for oneNo
Processor lithographyKnown for one65 nm
Processor operating modesKnown for one64-bit
Processor seriesKnown for oneIntel Core 2 Duo E4000 Series
Processor codenameKnown for oneConroe
Thermal Design Power (TDP)Known for one65 W
TcaseKnown for one73.3 °C
Processor socketKnown for oneLGA 775 (Socket T)
Number of Processing Die TransistorsKnown for one167 M
Processing Die sizeKnown for one111 mm²
CPU multiplier (bus/core ratio)Known for one11
Processor core voltage (AC)Known for one0.85 - 1.5 V
SteppingKnown for oneM0
ECC supported by processorKnown for oneNo
Number of processors installedKnown for one1
Memory1 differ
Internal memoryDiffers2 GB1 GB
Maximum internal memoryKnown for one8 GB
Memory layout (slots x size)Known for one1 x 1 GB
Memory slotsKnown for one4x DIMM
Storage1 differ
Optical drive typeDiffersDVD±RWDVD-RW
HDD interfaceKnown for oneSATA
Graphics1 differ
Discrete graphics card modelDiffersIntel® GMA 3100Intel® GMA 3000
Ports & interfacesidentical
PS/2 ports quantityKnown for one2
Serial ports quantityKnown for one1
Line-outKnown for oneYes
Line-inKnown for oneYes
Power1 differ
Power supplyDiffers300 W225 W
Design1 differ
Chassis typeDiffersTowerDesktop
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
Software2 differ
Operating system installedDiffersWindows XP ProfessionalWindows Vista Business
Bundled softwareDiffersAcer Empowering Technology, LANScope, Adobe Reader, Cyberlink PowerDVDAdobe Acrobat Reader Diskeeper 9.0 Home Edition Microsoft Office Hybrid Pro Image Google ThinkVantage
Processor special featuresidentical
Embedded options availableKnown for oneNo
Enhanced Intel SpeedStep TechnologyKnown for oneYes
Execute Disable BitKnown for oneYes
Idle StatesKnown for oneYes
Intel 64Known for oneYes
Intel Clear Video TechnologyKnown for oneNo
Intel Demand Based SwitchingKnown for oneNo
Intel Dual Display Capable TechnologyKnown for oneNo
Intel Enhanced Halt StateKnown for oneYes
Intel FDI TechnologyKnown for oneNo
Intel Fast Memory AccessKnown for oneNo
Intel Flex Memory AccessKnown for oneNo
Intel Rapid Storage TechnologyKnown for oneNo
Intel Trusted Execution TechnologyKnown for oneNo
Intel VT-x with Extended Page Tables (EPT)Known for oneNo
Intel Virtualization Technology (VT-x)Known for oneNo
Intel Virtualization Technology for Directed I/O (VT-d)Known for oneNo
Intel® AES New Instructions (Intel® AES-NI)Known for oneNo
Intel® Clear Video HD Technology (Intel® CVT HD)Known for oneNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for oneNo
Intel® InTru™ 3D TechnologyKnown for oneNo
Intel® Insider™Known for oneNo
Intel® Wireless Display (Intel® WiDi)Known for oneNo
Processor ARK IDKnown for one30781
Processor codeKnown for oneSLA95
Processor package sizeKnown for one37.5 x 37.5 mm
Thermal Monitoring TechnologiesKnown for oneYes
Intel® Turbo Boost TechnologyKnown for oneNo
Intel® Hyper Threading Technology (Intel® HT Technology)Known for oneNo
Intel® Quick Sync Video TechnologyKnown for oneNo
Intel® My WiFi Technology (Intel® MWT)Known for oneNo
Intel® Anti-Theft Technology (Intel® AT)Known for oneNo
Conflict-Free processorKnown for oneNo
Audio1 differ
Audio systemDiffersRealtek ALC888SADI 1983 HD
Weight & dimensions3 differ
WidthDiffers180 mm350 mm
DepthDiffers441.5 mm385 mm
HeightDiffers367 mm108 mm
WeightKnown for one10 kg
Other features1 differ
Intel segment taggingDiffersEnterprise, Small BusinessEnterprise, Professional
HDD user passwordKnown for oneYes
Expansion slotsidentical
Expansion slotsKnown for one1x PCI Express 16X 2x PCI

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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