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Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A57 + Lenovo D221 vs Lenovo ThinkCentre M57 + ThinkVision D221

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  • 90specifications compared
  • 26differ
  • 64identical
  • 16known for one product only

Key differences

The Lenovo ThinkCentre A57 + Lenovo D221 has 0.26 GHz more processor frequency than the Lenovo ThinkCentre M57 + ThinkVision D221 (2.66 GHz vs 2.4 GHz). The Lenovo ThinkCentre A57 + Lenovo D221 has 4 MB more processor cache than the Lenovo ThinkCentre M57 + ThinkVision D221 (6 MB vs 2 MB). The Lenovo ThinkCentre A57 + Lenovo D221 has 533 MHz more processor front side bus than the Lenovo ThinkCentre M57 + ThinkVision D221 (1333 MHz vs 800 MHz). Only the Lenovo ThinkCentre A57 + Lenovo D221 has DVI port. Only the Lenovo ThinkCentre A57 + Lenovo D221 has Intel Trusted Execution Technology.

  • Processor model
    • E8200
    • E4600
  • Processor frequency
    • 2.66 GHz
    • 2.4 GHz
  • Processor cache
    • 6 MB
    • 2 MB
  • Processor front side bus
    • 1333 MHz
    • 800 MHz
  • Processor lithography
    • 45 nm
    • 65 nm
  • Processor codename
    • Wolfdale
    • Conroe
  • Tcase
    • 72.4 °C
    • 73.3 °C
  • Number of Processing Die Transistors
    • 410 M
    • 167 M

Side by side

Differences highlightedShow differences only
106 specifications
A

Lenovo

ThinkCentre A57 + Lenovo D221View product
B

Lenovo

ThinkCentre M57 + ThinkVision D221View product
Processor12 differ
Processor modelDiffersE8200E4600
Processor frequencyDiffers2.66 GHz2.4 GHz
Processor cacheDiffers6 MB2 MB
Processor front side busDiffers1333 MHz800 MHz
Processor lithographyDiffers45 nm65 nm
Processor seriesDiffersIntel Core 2 Duo E8000 SeriesIntel Core 2 Duo E4000 Series
Processor codenameDiffersWolfdaleConroe
TcaseDiffers72.4 °C73.3 °C
Number of Processing Die TransistorsDiffers410 M167 M
Processing Die sizeDiffers107 mm²111 mm²
CPU multiplier (bus/core ratio)Differs812
SteppingDiffersC0M0
Memory2 differ
Internal memoryDiffers2 GB1 GB
Memory layout (slots x size)Differs2 x 1 GB1 x 1 GB
Storageidentical
Card reader integratedKnown for oneNo
Floppy drive installedKnown for oneNo
Graphicsidentical
On-board graphics cardKnown for oneYes
Networkidentical
Ethernet LANKnown for oneYes
Wi-FiKnown for oneNo
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers68
HDMI ports quantityKnown for one0
DVI portDiffersYesNo
Firewire (IEEE 1394) portsKnown for one0
eSATA ports quantityKnown for one1
Serial ports quantityKnown for one1
Power1 differ
Power supplyDiffers250 W225 W
Power supply input voltageKnown for one110 - 220 V
Power supply input frequencyKnown for one50 - 60 Hz
Displayidentical
DisplayKnown for oneTFT
Processor special features4 differ
Intel Trusted Execution TechnologyDiffersYesNo
Intel Virtualization Technology (VT-x)DiffersYesNo
Processor ARK IDDiffers3390932242
Processor codeDiffersSLAPPSLA94
Audio1 differ
Audio systemDiffersALC662AD1882
Weight & dimensions4 differ
WidthDiffers317 mm276 mm
DepthDiffers355 mm273 mm
HeightDiffers99 mm89 mm
WeightDiffers3.31 kg6.4 kg
Packaging contentidentical
Remote control includedKnown for oneNo
Other featuresidentical
TV tuner integratedKnown for oneNo
Intel segment taggingKnown for oneEnterprise, Professional
Designidentical
Chassis typeKnown for oneSFF

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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