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Product comparison · 2 pcs/workstations

Lenovo ThinkCentre M57p Desktop vs Lenovo ThinkStation D20

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  • 78specifications compared
  • 46differ
  • 32identical
  • 47known for one product only

Key differences

  • Processor family
    • Intel® Core™2 Duo
    • Intel® Xeon® 5000 Sequence
  • Processor model
    • E8400
    • X5550
  • Processor cores
    • 2
    • 4
  • Processor threads
    • 2
    • 8
  • Processor frequency
    • 3 GHz
    • 2.66 GHz
  • Processor cache
    • 6 MB
    • 8 MB
  • Processor cache type
    • L2
    • Smart Cache
  • Bus type
    • FSB
    • QPI

Side by side

Differences highlightedShow differences only
125 specifications
A

Lenovo

ThinkCentre M57p DesktopView product
B

Lenovo

ThinkStation D20View product
Processor18 differ
Processor familyDiffersIntel® Core™2 DuoIntel® Xeon® 5000 Sequence
Processor modelDiffersE8400X5550
Processor coresDiffers24
Processor threadsDiffers28
Processor boost frequencyKnown for one3.06 GHz
Processor frequencyDiffers3 GHz2.66 GHz
Processor cacheDiffers6 MB8 MB
Processor cache typeDiffersL2Smart Cache
Bus typeDiffersFSBQPI
System bus rateKnown for one6.4 GT/s
Processor seriesDiffersIntel Core 2 Duo E8000 SeriesIntel Xeon 5500 Series
Processor codenameDiffersWolfdaleNehalem EP
Processor system typeKnown for oneDP
Thermal Design Power (TDP)Differs65 W95 W
TcaseDiffers72.4 °C75 °C
Number of QPI linksKnown for one2
Processor socketDiffersLGA 775 (Socket T)Socket B (LGA 1366)
Number of Processing Die TransistorsDiffers410 M731 M
Processing Die sizeDiffers107 mm²263 mm²
CPU multiplier (bus/core ratio)Differs920
SteppingDiffersE0D0
Maximum internal memory supported by processorKnown for one144 GB
Memory types supported by processorKnown for oneDDR3-SDRAM
Memory clock speeds supported by processorKnown for one800,1066,1333 MHz
Memory bandwidth supported by processor (max)Known for one32 GB/s
ECC supported by processorDiffersNoYes
Processor front side busKnown for one1333 MHz
Memory3 differ
Internal memoryDiffers2 GB8 GB
Maximum internal memoryDiffers8 GB192 GB
Internal memory typeDiffersDDR2-SDRAMDDR3-SDRAM
Memory layout (slots x size)Known for one4 x 2 GB
Memory clock speedKnown for one1333 MHz
Memory channelsKnown for oneTriple-channel
Storage2 differ
Optical drive typeDiffersDVD-ROMDVD-RW
HDD capacityKnown for one1.5 TB
Card reader integratedDiffersNoYes
Compatible memory cardsKnown for oneCF, MMC, SD, xD
Total storage capacityKnown for one160 GB
Floppy drive installedKnown for oneNo
Graphicsidentical
Graphics cardKnown for oneQuadro FX 4800
On-board graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneIntel® GMA 3100
On-board graphics card modelKnown for oneNot available
Performance1 differ
Product typeDiffersPCWorkstation
Optical driveidentical
CD read speedKnown for one40x
Ports & interfaces6 differ
USB 2.0 ports quantityDiffers810
Ethernet LAN (RJ-45) portsDiffers12
Line-inKnown for oneYes
VGA (D-Sub) ports quantityDiffers10
PS/2 ports quantityDiffers20
Firewire (IEEE 1394) portsDiffers02
eSATA ports quantityKnown for one1
Parallel ports quantityDiffers10
I/O portsKnown for one1 eSATA, 5 SATA Gen 2, 5 SAS
HDMI ports quantityKnown for one0
DVI portKnown for oneNo
Expansion slotsidentical
PCI Express x16 slotsKnown for one1
PCI slotsKnown for one2
Poweridentical
Power requirementsKnown for one100-240V@50-60Hz
Power supplyKnown for one1060 W
Design1 differ
Chassis typeDiffersSFFTower
External drive baysKnown for one3.5" x 1, 5.25" x 3
Internal drive baysKnown for one3.5" x 5
Product colourKnown for oneBlack
Softwareidentical
Compatible operating systemsKnown for oneWindows XP Pro SP1a/SP2a 32/64-bit Red Hat Enterprise Linux 5.0 Windows Vista Business Windows Vista Business 64 Windows Vista Enterprise Edition 32-bit Windows Vista Enterprise Edition 64-bit Windows Vista Ultimate Windows Vista Ultimate 64-Bit
Operating system installedKnown for oneWindows XP Professional
Processor special features10 differ
CPU configuration (max)Known for one2
Embedded options availableDiffersYesNo
Intel Demand Based SwitchingDiffersNoYes
Intel Trusted Execution TechnologyDiffersYesNo
Intel VT-x with Extended Page Tables (EPT)DiffersNoYes
Intel® Smart CacheKnown for oneYes
Physical Address Extension (PAE)Known for oneYes
Processor ARK IDDiffers3391037106
Processor codeDiffersSLB9JSLBF5
Processor package sizeDiffers37.5 x 37.5 mm42.5 x 45 mm
Thermal Monitoring TechnologiesDiffersYesNo
Intel® Turbo Boost TechnologyDiffersNo1.0
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Graphics & IMC lithographyKnown for one45 nm
Audio1 differ
Audio systemDiffersAD1882 HD Audio CODECADI 1988 A
Weight & dimensions4 differ
WidthDiffers317 mm210 mm
DepthDiffers341 mm579 mm
HeightDiffers99 mm485 mm
WeightDiffers7.4 kg24.9 kg
Packaging contentidentical
Mouse includedKnown for oneYes
Remote control includedKnown for oneNo
Keyboardidentical
Keyboard typeKnown for onePreferred Pro USB
Networkidentical
Ethernet LANKnown for oneYes
Wi-FiKnown for oneNo
Networking featuresKnown for oneGigabit Ethernet
Other featuresidentical
TV tuner integratedKnown for oneNo
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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