Product comparison · 2 pcs/workstations

Lenovo S20 + ThinkVision L2321x vs Lenovo ThinkStation D20 + 24" Monitor

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  • 93specifications compared
  • 32differ
  • 61identical
  • 37known for one product only

Key differences

The Lenovo S20 + ThinkVision L2321x has 0.8 GHz more processor boost frequency than the Lenovo ThinkStation D20 + 24" Monitor (3.33 GHz vs 2.53 GHz). The Lenovo S20 + ThinkVision L2321x has 0.8 GHz more processor frequency than the Lenovo ThinkStation D20 + 24" Monitor (3.06 GHz vs 2.26 GHz). The Lenovo ThinkStation D20 + 24" Monitor has 1.06 GT/s more system bus rate than the Lenovo S20 + ThinkVision L2321x (5.86 GT/s vs 4.8 GT/s). Only the Lenovo ThinkStation D20 + 24" Monitor has Intel Virtualization Technology for Directed I/O (VT-d). Processor family: Intel® Xeon® 3000 Sequence on the Lenovo S20 + ThinkVision L2321x, Intel® Xeon® 5000 Sequence on the Lenovo ThinkStation D20 + 24" Monitor.

  • Processor family
    • S20 + ThinkVision L2321x:Intel® Xeon® 3000 Sequence
    • ThinkStation D20 + 24" Monitor:Intel® Xeon® 5000 Sequence
  • Processor model
    • S20 + ThinkVision L2321x:W3550
    • ThinkStation D20 + 24" Monitor:E5520
  • Processor boost frequency
    • S20 + ThinkVision L2321x:3.33 GHz
    • ThinkStation D20 + 24" Monitor:2.53 GHz
  • Processor frequency
    • S20 + ThinkVision L2321x:3.06 GHz
    • ThinkStation D20 + 24" Monitor:2.26 GHz
  • System bus rate
    • S20 + ThinkVision L2321x:4.8 GT/s
    • ThinkStation D20 + 24" Monitor:5.86 GT/s
  • Processor series
    • S20 + ThinkVision L2321x:Intel Xeon 3500 Series
    • ThinkStation D20 + 24" Monitor:Intel Xeon 5500 Series
  • Processor codename
    • S20 + ThinkVision L2321x:Bloomfield
    • ThinkStation D20 + 24" Monitor:Nehalem EP
  • Thermal Design Power (TDP)
    • S20 + ThinkVision L2321x:130 W
    • ThinkStation D20 + 24" Monitor:80 W

Side by side

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Comparison of S20 + ThinkVision L2321x, ThinkStation D20 + 24" Monitor
130 specifications
Processor12 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Xeon® 3000 SequenceIntel® Xeon® 5000 Sequence
Processor modelDiffersW3550E5520
Processor cores44
Processor threads88
Processor boost frequencyDiffers3.33 GHz2.53 GHz
Processor frequencyDiffers3.06 GHz2.26 GHz
Processor cache8 MB8 MB
Processor cache typeSmart CacheSmart Cache
Bus typeQPIQPI
FSB ParityNoNo
System bus rateDiffers4.8 GT/s5.86 GT/s
Processor lithography45 nm45 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Xeon 3500 SeriesIntel Xeon 5500 Series
Processor codenameDiffersBloomfieldNehalem EP
Processor system typeKnown for oneUnknown — not stated by the sourceDP
Thermal Design Power (TDP)Differs130 W80 W
TcaseDiffers67.9 °C72 °C
Number of QPI linksDiffers12
Number of processors installed11
Processor socketSocket B (LGA 1366)Socket B (LGA 1366)
Number of Processing Die Transistors731 M731 M
Processing Die size263 mm²263 mm²
CPU multiplier (bus/core ratio)Differs2317
Maximum number of SMP processorsKnown for oneUnknown — not stated by the source2
SteppingD0D0
Maximum internal memory supported by processorDiffers24 GB144 GB
Memory types supported by processorDDR3-SDRAMDDR3-SDRAM
Memory clock speeds supported by processor800,1066 MHz800,1066 MHz
Memory bandwidth supported by processor (max)25.6 GB/s25.6 GB/s
ECC supported by processorYesYes
Processor core voltage (AC)Known for one1.225 VUnknown — not stated by the source
Memory3 differ
Internal memoryDiffers6 GB4 GB
Maximum internal memoryDiffers24 GB192 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory layout (slots x size)Differs3 x 2 GB2 x 2 GB
Memory slotsKnown for oneUnknown — not stated by the source12x DIMM
Memory clock speedKnown for oneUnknown — not stated by the source1066 MHz
ECCYesYes
Memory channelsTriple-channelTriple-channel
Storage1 differ
Optical drive typeDVD-RWDVD-RW
Number of HDDs installed11
HDD capacity500 GB500 GB
HDD interfaceDiffersSATASATA, SATA II
HDD speed7200 RPM7200 RPM
Card reader integratedYesYes
RAID supportKnown for oneUnknown — not stated by the sourceYes
RAID levelsKnown for oneUnknown — not stated by the source0, 1, 5, 10
HDD number of platesKnown for oneUnknown — not stated by the source3
Storage drive heightKnown for oneUnknown — not stated by the source8.89 cm
Graphicsidentical
Graphics cardKnown for oneUnknown — not stated by the sourceQuadro FX 580
Graphics card manufacturerKnown for oneUnknown — not stated by the sourceNVIDIA
Performance1 differ
Product typeWorkstationWorkstation
Motherboard chipsetDiffersIntel® X58 ExpressIntel® 5520
Networkidentical
Networking topologyKnown for oneUnknown — not stated by the source10,100,1000
Networking featuresGigabit Ethernet (10/100/1000)Gigabit Ethernet (10/100/1000)
Ports & interfaces2 differ
USB 2.0 ports quantity1010
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for oneUnknown — not stated by the source0
Ethernet LAN (RJ-45) portsDiffers12
Headphone outputsDiffers16
Line-inKnown for oneUnknown — not stated by the sourceYes
Microphone inYesYes
Firewire (IEEE 1394) portsKnown for oneUnknown — not stated by the source2
eSATA ports quantityKnown for oneUnknown — not stated by the source1
Serial ports quantityKnown for oneUnknown — not stated by the source1
I/O portsKnown for oneUnknown — not stated by the source5x SATA 5x SAS
PS/2 ports quantityKnown for one2Unknown — not stated by the source
Expansion slotsidentical
PCI Express x4 slotsKnown for oneUnknown — not stated by the source1
PCI Express x16 slotsKnown for oneUnknown — not stated by the source2
PCI slotsKnown for oneUnknown — not stated by the source2
Power2 differ
Power requirementsDiffers100 - 240 VAC, 50/60 Hz100-127/200-240V, 50/60Hz; 12V/6A
Power supplyDiffers625 W1060 W
Power supply input voltageKnown for oneUnknown — not stated by the source100 - 127, 200 - 240 V
Designidentical
Chassis typeTowerTower
Product colourKnown for oneUnknown — not stated by the sourceBlack
External drive baysKnown for oneUnknown — not stated by the source1
Internal drive baysKnown for oneUnknown — not stated by the source5
Display1 differ
Display includedYesYes
Display diagonalDiffers58.4 cm (23")61 cm (24")
ResolutionKnown for one1920 x 1080 pixelsUnknown — not stated by the source
Processor special features5 differ
CPU configuration (max)Differs12
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingYesYes
Intel Dual Display Capable TechnologyNoNo
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyNoNo
Intel Fast Memory AccessNoNo
Intel Flex Memory AccessNoNo
Intel Rapid Storage TechnologyNoNo
Intel Trusted Execution TechnologyNoNo
Intel VT-x with Extended Page Tables (EPT)YesYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® AES New Instructions (Intel® AES-NI)NoNo
Intel® Clear Video HD Technology (Intel® CVT HD)NoNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)NoNo
Intel® InTru™ 3D TechnologyNoNo
Intel® Insider™NoNo
Intel® Smart CacheKnown for oneUnknown — not stated by the sourceYes
Intel® Wireless Display (Intel® WiDi)NoNo
Physical Address Extension (PAE)DiffersYes40 bit
Processor ARK IDDiffers3972040200
Processor codeKnown for oneUnknown — not stated by the sourceSLBFD
Processor package sizeDiffers42.5 x 45.0 mm42.5 x 45 mm
Thermal Monitoring TechnologiesNoNo
Intel® Turbo Boost Technology1.01.0
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel® Quick Sync Video TechnologyNoNo
Intel® My WiFi Technology (Intel® MWT)NoNo
Intel® Anti-Theft Technology (Intel® AT)NoNo
Conflict-Free processorNoNo
Supported instruction setsKnown for oneSSE4.2Unknown — not stated by the source
Audio1 differ
Audio systemDiffersAD1988AHD
Operational conditionsidentical
Operating temperature (T-T)Known for oneUnknown — not stated by the source10 - 35 °C
Operating relative humidity (H-H)Known for oneUnknown — not stated by the source10 - 80%
Ergonomicsidentical
Acoustic pressure emissionsKnown for oneUnknown — not stated by the source5 dB
Weight & dimensions4 differ
WidthDiffers175 mm434 mm
DepthDiffers460 mm210 mm
HeightDiffers478 mm602 mm
WeightDiffers16.3 kg25 kg
Packaging contentidentical
Mouse includedKnown for oneUnknown — not stated by the sourceNo
Certificatesidentical
CertificationKnown for oneUnknown — not stated by the sourceEnergyStar, EPEAT Gold, GREENGUARD, RoHS, 80+ Bronze
Other featuresidentical
Drive baysKnown for oneUnknown — not stated by the source3.5", 5.25"
Softwareidentical
Operating system installedKnown for oneWindows 7 ProfessionalUnknown — not stated by the source

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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