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Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A57 + L1940 vs Lenovo ThinkCentre M57 Eco + L1940

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  • 87specifications compared
  • 27differ
  • 60identical
  • 6known for one product only

Key differences

The Lenovo ThinkCentre A57 + L1940 has 2 more processor cores than the Lenovo ThinkCentre M57 Eco + L1940 (4 vs 2). The Lenovo ThinkCentre A57 + L1940 has 2 more processor threads than the Lenovo ThinkCentre M57 Eco + L1940 (4 vs 2). The Lenovo ThinkCentre M57 Eco + L1940 has 0.13 GHz more processor frequency than the Lenovo ThinkCentre A57 + L1940 (2.53 GHz vs 2.4 GHz). Only the Lenovo ThinkCentre A57 + L1940 has Intel Virtualization Technology (VT-x). Processor family: Intel® Core™2 Quad on the Lenovo ThinkCentre A57 + L1940, Intel® Core™2 Duo on the Lenovo ThinkCentre M57 Eco + L1940.

  • Processor family
    • Intel® Core™2 Quad
    • Intel® Core™2 Duo
  • Processor model
    • Q6600
    • E7200
  • Processor cores
    • 4
    • 2
  • Processor threads
    • 4
    • 2
  • Processor frequency
    • 2.4 GHz
    • 2.53 GHz
  • Processor cache
    • 8 MB
    • 3 MB
  • Processor lithography
    • 65 nm
    • 45 nm
  • Processor codename
    • Kentsfield
    • Wolfdale

Side by side

Differences highlightedShow differences only
93 specifications
A

Lenovo

ThinkCentre A57 + L1940View product
B

Lenovo

ThinkCentre M57 Eco + L1940View product
Processor15 differ
Processor familyDiffersIntel® Core™2 QuadIntel® Core™2 Duo
Processor modelDiffersQ6600E7200
Processor coresDiffers42
Processor threadsDiffers42
Processor frequencyDiffers2.4 GHz2.53 GHz
Processor cacheDiffers8 MB3 MB
Processor lithographyDiffers65 nm45 nm
Processor seriesDiffersIntel Core 2 Quad Q6000 SeriesIntel Core 2 Duo E7000 Series
Processor codenameDiffersKentsfieldWolfdale
Thermal Design Power (TDP)Differs95, 10565 W
TcaseDiffersB3=62.2; G0=7174.1 °C
Number of Processing Die TransistorsDiffers582 M228 M
Processing Die sizeDiffers286 mm²82 mm²
CPU multiplier (bus/core ratio)Differs99.5
Processor core voltage (AC)Known for one0.85 - 1.5 V
SteppingDiffersG0M0
Memory1 differ
Memory slotsDiffers2x DIMM2x SO-DIMM
Graphicsidentical
On-board graphics card modelKnown for oneNot available
Ports & interfaces2 differ
PS/2 ports quantityDiffers20
Parallel ports quantityDiffers10
Power1 differ
Power supplyDiffers280 W120 W
Power supply input voltageKnown for one110 - 220 V
Power supply input frequencyKnown for one50 - 60 Hz
Designidentical
Chassis typeKnown for oneTower
Processor special features3 differ
Intel Virtualization Technology (VT-x)DiffersYesNo
Processor ARK IDDiffers2976535348
Processor package sizeDiffers37.5 x 37.5 mm37.5 mm
Audio1 differ
Audio systemDiffersRealtek ALC662AD1882
Weight & dimensions4 differ
WidthDiffers175 mm275 mm
DepthDiffers440 mm242 mm
HeightDiffers402 mm81 mm
WeightDiffers11 kg3.72 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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