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Product comparison · 2 pcs/workstations

Acer Extensa E420 vs Lenovo ThinkCentre M57e

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  • 32specifications compared
  • 15differ
  • 17identical
  • 61known for one product only

Key differences

The Lenovo ThinkCentre M57e has 0.488 MB more processor cache than the Acer Extensa E420 (1 MB vs 0.512 MB). The Acer Extensa E420 has 1 GB more internal memory than the Lenovo ThinkCentre M57e (2 GB vs 1 GB). The Acer Extensa E420 has 1 x 1 GB more memory layout (slots x size) than the Lenovo ThinkCentre M57e (2 x 1 GB vs 1 x 1 GB). Processor manufacturer: AMD on the Acer Extensa E420, Intel on the Lenovo ThinkCentre M57e. Processor family: AMD Sempron on the Acer Extensa E420, Intel® Pentium® on the Lenovo ThinkCentre M57e.

  • Processor manufacturer
    • AMD
    • Intel
  • Processor family
    • AMD Sempron
    • Intel® Pentium®
  • Processor cache
    • 0.512 MB
    • 1 MB
  • Internal memory
    • 2 GB
    • 1 GB
  • Memory layout (slots x size)
    • 2 x 1 GB
    • 1 x 1 GB
  • Optical drive type
    • DVD±RW
    • DVD-ROM
  • HDD interface
    • SATA II
    • SATA
  • USB 2.0 ports quantity
    • 8
    • 6

Side by side

Differences highlightedShow differences only
93 specifications
A

Acer

Extensa E420View product
B

Lenovo

ThinkCentre M57eView product
Processor3 differ
Processor manufacturerDiffersAMDIntel
Processor familyDiffersAMD SempronIntel® Pentium®
Processor modelKnown for oneE2200
Processor coresKnown for one2
Processor threadsKnown for one2
Processor cacheDiffers0.512 MB1 MB
Processor front side busKnown for one800 MHz
Bus typeKnown for oneFSB
FSB ParityKnown for oneNo
Processor lithographyKnown for one65 nm
Processor operating modesKnown for one64-bit
Processor seriesKnown for oneIntel Pentium E2000 Series for Desktop
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 one105 M
Processing Die sizeKnown for one77 mm²
CPU multiplier (bus/core ratio)Known for one11
SteppingKnown for oneM0
ECC supported by processorKnown for oneNo
Memory2 differ
Internal memoryDiffers2 GB1 GB
Memory layout (slots x size)Differs2 x 1 GB1 x 1 GB
Memory clock speedKnown for one667 MHz
Storage2 differ
Optical drive typeDiffersDVD±RWDVD-ROM
HDD interfaceDiffersSATA IISATA
Graphicsidentical
Discrete graphics card modelKnown for oneIntel® GMA 3100
Optical driveidentical
CD read speedKnown for one48x
CD write speedKnown for one48x
CD rewrite speedKnown for one32x
DVD read speedKnown for one16x
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers86
Parallel ports quantityDiffers01
Firewire (IEEE 1394) portsKnown for one1
Power1 differ
Power supplyDiffers250 W280 W
Power supply input voltageKnown for one110 - 220 V
Power supply input frequencyKnown for one50 - 60 Hz
Software1 differ
Operating system installedDiffersWindows Vista Home BasicWindows Vista Business
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 one33925
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 systemDiffersHigh Definition Audio 7.1ALC662
Weight & dimensions3 differ
WidthDiffers183 mm175 mm
DepthDiffers455 mm440 mm
HeightDiffers370 mm402 mm
WeightKnown for one11 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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