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Product comparison · 2 pcs/workstations

Lenovo ThinkStation D20 (4155-79G) vs Lenovo ThinkStation S20 (4105-E3G), Nordics

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  • 99specifications compared
  • 30differ
  • 69identical
  • 10known for one product only

Key differences

The Lenovo ThinkStation S20 (4105-E3G), Nordics has 4 more processor threads than the Lenovo ThinkStation D20 (4155-79G) (8 vs 4). The Lenovo ThinkStation S20 (4105-E3G), Nordics has 0.54 GHz more processor frequency than the Lenovo ThinkStation D20 (4155-79G) (2.8 GHz vs 2.26 GHz). The Lenovo ThinkStation S20 (4105-E3G), Nordics has 4 MB more processor cache than the Lenovo ThinkStation D20 (4155-79G) (8 MB vs 4 MB). Only the Lenovo ThinkStation D20 (4155-79G) has Intel Virtualization Technology for Directed I/O (VT-d). Only the Lenovo ThinkStation S20 (4105-E3G), Nordics has Intel® Hyper Threading Technology (Intel® HT Technology).

  • Processor family
    • Intel® Xeon® 5000 Sequence
    • Intel® Xeon® 3000 Sequence
  • Processor model
    • E5507
    • W3530
  • Processor threads
    • 4
    • 8
  • Processor frequency
    • 2.26 GHz
    • 2.8 GHz
  • Processor cache
    • 4 MB
    • 8 MB
  • Processor series
    • Intel Xeon 5500 Series
    • Intel Xeon 3500 Series
  • Processor codename
    • Nehalem EP
    • Bloomfield
  • Thermal Design Power (TDP)
    • 80 W
    • 130 W

Side by side

Differences highlightedShow differences only
109 specifications
A

Lenovo

ThinkStation D20 (4155-79G)View product
B

Lenovo

ThinkStation S20 (4105-E3G), NordicsView product
Processor13 differ
Processor familyDiffersIntel® Xeon® 5000 SequenceIntel® Xeon® 3000 Sequence
Processor modelDiffersE5507W3530
Processor threadsDiffers48
Processor boost frequencyKnown for one3.06 GHz
Processor frequencyDiffers2.26 GHz2.8 GHz
Processor cacheDiffers4 MB8 MB
Processor seriesDiffersIntel Xeon 5500 SeriesIntel Xeon 3500 Series
Processor codenameDiffersNehalem EPBloomfield
Thermal Design Power (TDP)Differs80 W130 W
TcaseDiffers76 °C67.9 °C
Number of QPI linksDiffers21
Number of processors installedKnown for one1
Number of Processing Die TransistorsKnown for one731 M
Processing Die sizeKnown for one263 mm²
CPU multiplier (bus/core ratio)Known for one21
Processor core voltage (AC)Known for one1.55 V
Maximum internal memory supported by processorDiffers144 GB24 GB
Memory clock speeds supported by processorDiffers800 MHz800,1066 MHz
Memory bandwidth supported by processor (max)Differs19.2 GB/s25.6 GB/s
Memory1 differ
Maximum internal memoryDiffers96 GB12 GB
Storage3 differ
Optical drive typeDiffersDVD-RWDVD-ROM
HDD capacityDiffers500 GB250 GB
HDD interfaceDiffersSATA IISATA
HDD speedKnown for one7200 RPM
Ports & interfaces1 differ
Ethernet LAN (RJ-45) portsDiffers21
Power1 differ
Power supplyDiffers1060 W625 W
Software1 differ
Compatible operating systemsDiffersWindows XP Pro SP1a/SP2a 32/64-bit Red Hat Enterprise Linux 5.0 Windows Vista 32/64-bit Windows Vista Enterprise 32/64-bit Windows Vista Ultimate 32/64-bitWindows XP Pro SP1/SP2 32/64-bit Red Hat Enterprise Linux 5.0 Windows Vista 32/64-bit Windows Vista Enterprise 32/64-bit Windows Vista Ultimate 32/64-bit
Processor special features6 differ
CPU configuration (max)Known for one1
Intel Virtualization Technology for Directed I/O (VT-d)DiffersYesNo
Physical Address Extension (PAE)DiffersYes36 bit
Processor ARK IDDiffers3710041313
Processor codeDiffersSLBKCSLBKR
Processor package sizeKnown for one42.5 x 45.0 mm
Supported instruction setsKnown for oneSSE4.2
Intel® Turbo Boost TechnologyDiffersNo1.0
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Weight & dimensions4 differ
WidthDiffers210 mm175 mm
DepthDiffers579 mm460 mm
HeightDiffers485 mm478 mm
WeightDiffers24.9 kg16.3 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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