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Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A57 + D221 vs Lenovo ThinkCentre A57 + Lenovo D221

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  • 91specifications compared
  • 24differ
  • 67identical
  • 8known for one product only

Key differences

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

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

Side by side

Differences highlightedShow differences only
99 specifications
A

Lenovo

ThinkCentre A57 + D221View product
B

Lenovo

ThinkCentre A57 + Lenovo D221View product
Processor12 differ
Processor modelDiffersE4600E8200
Processor frequencyDiffers2.4 GHz2.66 GHz
Processor cacheDiffers2 MB6 MB
Processor front side busDiffers800 MHz1333 MHz
Processor lithographyDiffers65 nm45 nm
Processor seriesDiffersIntel Core 2 Duo E4000 SeriesIntel Core 2 Duo E8000 Series
Processor codenameDiffersConroeWolfdale
TcaseDiffers73.3 °C72.4 °C
Number of Processing Die TransistorsDiffers167 M410 M
Processing Die sizeDiffers111 mm²107 mm²
CPU multiplier (bus/core ratio)Differs128
SteppingDiffersM0C0
Storageidentical
Card reader integratedKnown for oneNo
Network1 differ
Networking featuresDiffersgGigabit Ethernet
Ports & interfacesidentical
Serial ports quantityKnown for one1
DVI portKnown for oneYes
Power1 differ
Power requirementsKnown for one110 - 220V, 50/ 60Hz
Power supplyDiffers310 W250 W
Power supply input voltageKnown for one110 - 220 V
Power supply input frequencyKnown for one50 - 60 Hz
Design1 differ
Chassis typeDiffersTowerSFF
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneIBM
Processor special features4 differ
Intel Trusted Execution TechnologyDiffersNoYes
Intel Virtualization Technology (VT-x)DiffersNoYes
Processor ARK IDDiffers3224233909
Processor codeDiffersSLA94SLAPP
Audio1 differ
Audio systemDiffersRealtek ALC662ALC662
Weight & dimensions4 differ
WidthDiffers175 mm317 mm
DepthDiffers440 mm355 mm
HeightDiffers402 mm99 mm
WeightDiffers11 kg3.31 kg

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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