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Product comparison · 2 pcs/workstations

Lenovo ThinkStation D20 (415518G), HU vs Lenovo ThinkStation S20 (410565G), ES

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  • 73specifications compared
  • 25differ
  • 48identical
  • 35known for one product only

Key differences

The Lenovo ThinkStation D20 (415518G), HU has 2 more processor cores than the Lenovo ThinkStation S20 (410565G), ES (4 vs 2). The Lenovo ThinkStation D20 (415518G), HU has 6 more processor threads than the Lenovo ThinkStation S20 (410565G), ES (8 vs 2). The Lenovo ThinkStation S20 (410565G), ES has 0.27 GHz more processor frequency than the Lenovo ThinkStation D20 (415518G), HU (2.53 GHz vs 2.26 GHz). Only the Lenovo ThinkStation D20 (415518G), HU has Intel® Hyper Threading Technology (Intel® HT Technology). Processor family: Intel® Xeon® 5000 Sequence on the Lenovo ThinkStation D20 (415518G), HU, Intel® Xeon® 3000 Sequence on the Lenovo ThinkStation S20 (410565G), ES.

  • Processor family
    • Intel® Xeon® 5000 Sequence
    • Intel® Xeon® 3000 Sequence
  • Processor model
    • E5520
    • W3505
  • Processor cores
    • 4
    • 2
  • Processor threads
    • 8
    • 2
  • Processor frequency
    • 2.26 GHz
    • 2.53 GHz
  • Processor cache
    • 8 MB
    • 4 MB
  • System bus rate
    • 5.86 GT/s
    • 4.8 GT/s
  • Processor codename
    • Nehalem EP
    • Bloomfield

Side by side

Differences highlightedShow differences only
108 specifications
A

Lenovo

ThinkStation D20 (415518G), HUView product
B

Lenovo

ThinkStation S20 (410565G), ESView product
Processor11 differ
Processor familyDiffersIntel® Xeon® 5000 SequenceIntel® Xeon® 3000 Sequence
Processor modelDiffersE5520W3505
Processor coresDiffers42
Processor threadsDiffers82
Processor boost frequencyKnown for one2.53 GHz
Processor frequencyDiffers2.26 GHz2.53 GHz
Processor cacheDiffers8 MB4 MB
FSB ParityKnown for oneNo
System bus rateDiffers5.86 GT/s4.8 GT/s
Processor seriesKnown for oneIntel Xeon 5500 Series
Processor codenameDiffersNehalem EPBloomfield
Processor system typeKnown for oneDP
Thermal Design Power (TDP)Differs80 W130 W
TcaseKnown for one72 °C
Number of QPI linksDiffers21
Processor socketKnown for oneSocket B (LGA 1366)
Number of Processing Die TransistorsKnown for one731 M
Processing Die sizeKnown for one263 mm²
CPU multiplier (bus/core ratio)Known for one17
SteppingKnown for oneD0
Maximum internal memory supported by processorDiffers144 GB24 GB
Memory3 differ
Internal memoryDiffers4 GB3 GB
Maximum internal memoryDiffers96 GB12 GB
Internal memory typeKnown for oneDDR3-SDRAM
Memory layout (slots x size)Differs2 x 2 GB3 x 1 GB
Storage1 differ
HDD capacityDiffers150 GB250 GB
HDD speedKnown for one7200 RPM
Graphicsidentical
Graphics cardKnown for oneQuadro FX 1800
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 Business Windows Vista Business 64 Windows Vista Enterprise Edition 32-bit Windows Vista Enterprise Edition 64-bit Windows Vista Ultimate Windows Vista Ultimate 64-BitWindows 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-bit
Operating system installedKnown for oneWindows XP Professional
Processor special features4 differ
CPU configuration (max)Known for one2
Intel Clear Video TechnologyKnown 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 Virtualization Technology for Directed I/O (VT-d)Known for oneYes
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® Smart CacheKnown for oneYes
Intel® Wireless Display (Intel® WiDi)Known for oneNo
Physical Address Extension (PAE)Differs40 bitYes
Processor ARK IDDiffers4020040800
Processor codeKnown for oneSLBFD
Intel® Turbo Boost TechnologyDiffers1.0No
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersYesNo
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
Supported instruction setsKnown for oneSSE4.2
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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