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Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A57 + Office Basic 2007 vs Lenovo ThinkCentre M55p + Office Basic 2007

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  • 82specifications compared
  • 21differ
  • 61identical
  • 9known for one product only

Key differences

The Lenovo ThinkCentre A57 + Office Basic 2007 has 0.34 GHz more processor frequency than the Lenovo ThinkCentre M55p + Office Basic 2007 (2.2 GHz vs 1.86 GHz). The Lenovo ThinkCentre M55p + Office Basic 2007 has 1 MB more processor cache than the Lenovo ThinkCentre A57 + Office Basic 2007 (2 MB vs 1 MB). The Lenovo ThinkCentre M55p + Office Basic 2007 has 266 MHz more processor front side bus than the Lenovo ThinkCentre A57 + Office Basic 2007 (1066 MHz vs 800 MHz). Only the Lenovo ThinkCentre M55p + Office Basic 2007 has Intel Virtualization Technology (VT-x). Processor family: Intel® Pentium® on the Lenovo ThinkCentre A57 + Office Basic 2007, Intel® Core™2 Duo on the Lenovo ThinkCentre M55p + Office Basic 2007.

  • Processor family
    • Intel® Pentium®
    • Intel® Core™2 Duo
  • Processor model
    • E2200
    • E6300
  • Processor frequency
    • 2.2 GHz
    • 1.86 GHz
  • Processor cache
    • 1 MB
    • 2 MB
  • Processor front side bus
    • 800 MHz
    • 1066 MHz
  • Tcase
    • 73.3 °C
    • 61.4 °C
  • Number of Processing Die Transistors
    • 105 M
    • 167 M
  • Processing Die size
    • 77 mm²
    • 111 mm²

Side by side

Differences highlightedShow differences only
91 specifications
A

Lenovo

ThinkCentre A57 + Office Basic 2007View product
B

Lenovo

ThinkCentre M55p + Office Basic 2007View product
Processor10 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Pentium®Intel® Core™2 Duo
Processor modelDiffersE2200E6300
Processor cores22
Processor threads22
Processor frequencyDiffers2.2 GHz1.86 GHz
Processor cacheDiffers1 MB2 MB
Processor cache typeL2L2
Processor front side busDiffers800 MHz1066 MHz
Bus typeFSBFSB
FSB ParityNoNo
Processor lithography65 nm65 nm
Processor operating modes64-bit64-bit
Processor codenameConroeConroe
Thermal Design Power (TDP)65 W65 W
TcaseDiffers73.3 °C61.4 °C
Processor socketLGA 775 (Socket T)LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers105 M167 M
Processing Die sizeDiffers77 mm²111 mm²
CPU multiplier (bus/core ratio)Differs117
SteppingDiffersM0R0
ECC supported by processorNoNo
Processor seriesKnown for oneIntel Pentium E2000 Series for Desktop
Memoryidentical
Internal memory1 GB1 GB
Maximum internal memory4 GB4 GB
Internal memory typeDDR2-SDRAMDDR2-SDRAM
Memory layout (slots x size)1 x 1 GB1 x 1 GB
Memory slots2x DIMM2x DIMM
Storage1 differ
Total storage capacityDiffers160 GB250 GB
Optical drive typeDVD±RWDVD±RW
HDD interfaceSATASATA
HDD speed7200 RPM7200 RPM
Card reader integratedKnown for oneNo
Graphics1 differ
Discrete graphics card modelDiffersIntel® GMA 3100Intel® GMA 3000
Performanceidentical
Product typePCPC
Motherboard chipsetKnown for oneIntel® Q965 Express
Networkidentical
Networking featuresGigabit EthernetGigabit Ethernet
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers68
Ethernet LAN (RJ-45) ports11
Headphone outputs11
Microphone inYesYes
VGA (D-Sub) ports quantity11
PS/2 ports quantity22
Serial ports quantityKnown for one1
Parallel ports quantity11
Power1 differ
Power supplyDiffers280 W225 W
Power supply input voltageKnown for one110 - 220 V
Power supply input frequencyKnown for one50 - 60 Hz
Designidentical
Chassis typeSFFSFF
Softwareidentical
Operating system installedWindows Vista BusinessWindows Vista Business
Displayidentical
Display includedNoNo
Processor special features2 differ
CPU configuration (max)Known for one1
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyNoNo
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyNoNo
Intel Fast Memory AccessNoNo
Intel Flex Memory AccessNoNo
Intel Rapid Storage TechnologyNoNo
Intel Trusted Execution TechnologyNoNo
Intel VT-x with Extended Page Tables (EPT)NoNo
Intel Virtualization Technology (VT-x)DiffersNoYes
Intel Virtualization Technology for Directed I/O (VT-d)NoNo
Intel® AES New Instructions (Intel® AES-NI)NoNo
Intel® Clear Video HD Technology (Intel® CVT HD)NoNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)NoNo
Intel® InTru™ 3D TechnologyNoNo
Intel® Insider™NoNo
Intel® Wireless Display (Intel® WiDi)NoNo
Processor ARK IDDiffers3392527248
Processor codeKnown for oneSLGW2
Processor package size37.5 x 37.5 mm37.5 x 37.5 mm
Thermal Monitoring TechnologiesYesYes
Intel® Turbo Boost TechnologyNoNo
Intel® Hyper Threading Technology (Intel® HT Technology)NoNo
Intel® Quick Sync Video TechnologyNoNo
Intel® My WiFi Technology (Intel® MWT)NoNo
Intel® Anti-Theft Technology (Intel® AT)NoNo
Conflict-Free processorNoNo
Audio1 differ
Audio systemDiffersALC662ADI 1983 HD
Weight & dimensions4 differ
WidthDiffers317 mm310 mm
DepthDiffers355 mm358 mm
HeightDiffers99 mm87.5 mm
WeightDiffers3.31 kg8.5 kg
Other featuresidentical
Intel segment taggingKnown for oneEnterprise, 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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