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Product comparison · 2 pcs/workstations

Lenovo ThinkStation D20 + 24" Monitor vs Lenovo ThinkStation S20 + 22" Monitor

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  • 117specifications compared
  • 40differ
  • 77identical
  • 17known for one product only

Key differences

The Lenovo ThinkStation S20 + 22" Monitor has 0.4 GHz more processor boost frequency than the Lenovo ThinkStation D20 + 24" Monitor (2.93 GHz vs 2.53 GHz). The Lenovo ThinkStation S20 + 22" Monitor has 0.4 GHz more processor frequency than the Lenovo ThinkStation D20 + 24" Monitor (2.66 GHz vs 2.26 GHz). The Lenovo ThinkStation D20 + 24" Monitor has 1.06 GT/s more system bus rate than the Lenovo ThinkStation S20 + 22" Monitor (5.86 GT/s vs 4.80 GT/s). Only the Lenovo ThinkStation D20 + 24" Monitor has Intel Virtualization Technology for Directed I/O (VT-d). Processor family: Intel® Xeon® 5000 Sequence on the Lenovo ThinkStation D20 + 24" Monitor, Intel® Xeon® 3000 Sequence on the Lenovo ThinkStation S20 + 22" Monitor.

  • Processor family
    • Intel® Xeon® 5000 Sequence
    • Intel® Xeon® 3000 Sequence
  • Processor model
    • E5520
    • W3520
  • Processor boost frequency
    • 2.53 GHz
    • 2.93 GHz
  • Processor frequency
    • 2.26 GHz
    • 2.66 GHz
  • System bus rate
    • 5.86 GT/s
    • 4.80 GT/s
  • Processor series
    • Intel Xeon 5500 Series
    • Intel Xeon 3500 Series
  • Processor codename
    • Nehalem EP
    • Bloomfield
  • Processor system type
    • DP
    • Up

Side by side

Differences highlightedShow differences only
134 specifications
A

Lenovo

ThinkStation D20 + 24" MonitorView product
B

Lenovo

ThinkStation S20 + 22" MonitorView product
Processor13 differ
Processor familyDiffersIntel® Xeon® 5000 SequenceIntel® Xeon® 3000 Sequence
Processor modelDiffersE5520W3520
Processor boost frequencyDiffers2.53 GHz2.93 GHz
Processor frequencyDiffers2.26 GHz2.66 GHz
Processor front side busKnown for one1066 MHz
System bus rateDiffers5.86 GT/s4.80 GT/s
Processor seriesDiffersIntel Xeon 5500 SeriesIntel Xeon 3500 Series
Processor codenameDiffersNehalem EPBloomfield
Processor system typeDiffersDPUp
Thermal Design Power (TDP)Differs80 W130 W
TcaseDiffers72 °C67.9 °C
Number of QPI linksDiffers21
CPU multiplier (bus/core ratio)Differs1720
Processor core voltage (AC)Known for one0.800 - 1.225 V
Maximum internal memory supported by processorDiffers144 GB24 GB
Memory2 differ
Maximum internal memoryDiffers192 GB12 GB
Memory slotsDiffers12x DIMM6x DIMM
Storage1 differ
RAID levelsDiffers0, 1, 5, 100, 1, 5
HDD number of platesKnown for one3
Graphics1 differ
Maximum graphics card memoryKnown for one0.256 GB
Graphics cardDiffersQuadro FX 580Quadro FX 380
Performance1 differ
Motherboard chipsetDiffersIntel® 5520Intel® X58 Express
Networkidentical
Networking topologyKnown for one10,100,1000
Ports & interfaces3 differ
Ethernet LAN (RJ-45) portsDiffers21
VGA (D-Sub) ports quantityKnown for one0
PS/2 ports quantityKnown for one0
Firewire (IEEE 1394) portsDiffers20
Parallel ports quantityKnown for one0
I/O portsDiffers5x SATA 5x SAS5x SATA 1x Optical In 1x Optical Out
Line-inKnown for oneYes
Expansion slotsidentical
PCI Express x1 slotsKnown for one1
PCI slotsKnown for one2
Power3 differ
Power requirementsDiffers100-127/200-240V, 50/60Hz; 12V/6A100 - 127V/200 - 240V; 8/4
Power supplyDiffers1060 W625 W
Power supply input voltageDiffers100 - 127, 200 - 240 V100 - 240 V
Design2 differ
External drive baysDiffers12x 5.25", 1x 3.5"
Internal drive baysDiffers53x 3.5"
Softwareidentical
Compatible operating systemsKnown for oneWindows XP x64 Linux 5 Red Hat Enterprise
Display1 differ
Display diagonalDiffers61 cm (24")55.9 cm (22")
Processor special features6 differ
CPU configuration (max)Differs21
Intel Virtualization Technology for Directed I/O (VT-d)DiffersYesNo
Physical Address Extension (PAE)Differs40 bit36 bit
Processor ARK IDDiffers4020039718
Processor codeDiffersSLBFDSLBEW
Processor package sizeDiffers42.5 x 45 mm42.5 x 45.0 mm
Supported instruction setsKnown for oneSSE4.2
Audio1 differ
Audio systemDiffersHDHD 7.1
Ergonomics1 differ
Acoustic pressure emissionsDiffers5 dB27 dB
Weight & dimensions4 differ
WidthDiffers434 mm426 mm
DepthDiffers210 mm175 mm
HeightDiffers602 mm483 mm
WeightDiffers25 kg15 kg
Certificates1 differ
CertificationDiffersEnergyStar, EPEAT Gold, GREENGUARD, RoHS, 80+ BronzeEnergy Star, EPEAT Gold, Greedguard, ROHS
Operational conditionsidentical
Operating temperature (T-T)Known for one10 - 35 °C
Operating relative humidity (H-H)Known for one10 - 80%
Packaging contentidentical
Mouse includedKnown for oneNo
Other featuresidentical
Drive baysKnown for one3.5", 5.25"

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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