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Product comparison · 2 pcs/workstations

Lenovo D20 + NVIDIA Quadro 2000 vs Lenovo E20 + NVIDIA Quadro 600

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  • 93specifications compared
  • 36differ
  • 57identical
  • 16known for one product only

Key differences

The Lenovo E20 + NVIDIA Quadro 600 has 0.27 GHz more processor boost frequency than the Lenovo D20 + NVIDIA Quadro 2000 (2.93 GHz vs 2.66 GHz). The Lenovo E20 + NVIDIA Quadro 600 has 0.13 GHz more processor frequency than the Lenovo D20 + NVIDIA Quadro 2000 (2.53 GHz vs 2.4 GHz). The Lenovo D20 + NVIDIA Quadro 2000 has 4 MB more processor cache than the Lenovo E20 + NVIDIA Quadro 600 (12 MB vs 8 MB). Only the Lenovo D20 + NVIDIA Quadro 2000 has card reader integrated. Only the Lenovo D20 + NVIDIA Quadro 2000 has embedded options available.

  • Processor family
    • Intel® Xeon® 5000 Sequence
    • Intel® Xeon® 3000 Sequence
  • Processor model
    • E5620
    • X3440
  • Processor boost frequency
    • 2.66 GHz
    • 2.93 GHz
  • Processor frequency
    • 2.4 GHz
    • 2.53 GHz
  • Processor cache
    • 12 MB
    • 8 MB
  • Bus type
    • QPI
    • DMI
  • System bus rate
    • 5.86 GT/s
    • 2.5 GT/s
  • Processor lithography
    • 32 nm
    • 45 nm

Side by side

Differences highlightedShow differences only
109 specifications
A

Lenovo

D20 + NVIDIA Quadro 2000View product
B

Lenovo

E20 + NVIDIA Quadro 600View product
Processor18 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Xeon® 5000 SequenceIntel® Xeon® 3000 Sequence
Processor modelDiffersE5620X3440
Processor cores44
Processor threads88
Processor boost frequencyDiffers2.66 GHz2.93 GHz
Processor frequencyDiffers2.4 GHz2.53 GHz
Processor cacheDiffers12 MB8 MB
Processor cache typeSmart CacheSmart Cache
Bus typeDiffersQPIDMI
FSB ParityNoNo
System bus rateDiffers5.86 GT/s2.5 GT/s
Processor lithographyDiffers32 nm45 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Xeon 5600 SeriesIntel Xeon 3400 Series
Processor codenameDiffersWestmere EPLynnfield
Thermal Design Power (TDP)Differs80 W95 W
TcaseDiffers77.6 °C72.7 °C
Number of QPI linksKnown for one2
Number of processors installedDiffers21
Processor socketDiffersSocket B (LGA 1366)LGA 1156 (Socket H)
CPU multiplier (bus/core ratio)Differs1819
SteppingB1B1
Maximum internal memory supported by processorDiffers288 GB32 GB
Memory types supported by processorDiffersDDR3 800/1066DDR3 800/1066/1333
Memory clock speeds supported by processorKnown for one800,1066 MHz
Memory bandwidth supported by processor (max)Differs25.6 GB/s21 GB/s
ECC supported by processorYesYes
Processor system typeKnown for oneUp
Maximum number of PCI Express lanesKnown for one16
PCI Express configurationsKnown for one1x16, 2x8, 4x4
PCI Express slots versionKnown for one2.0
Number of Processing Die TransistorsKnown for one774 M
Processing Die sizeKnown for one296 mm²
Memory2 differ
Internal memory4 GB4 GB
Maximum internal memoryDiffers48 GB16 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory layout (slots x size)2 x 2 GB2 x 2 GB
Memory slotsKnown for one12x DIMM
Memory clock speed1333 MHz1333 MHz
ECCKnown for oneYes
Memory channelsDiffersTriple-channelDual-channel
Storage1 differ
Optical drive typeKnown for oneDVD-RW
Number of HDDs installed11
HDD capacity500 GB500 GB
HDD interfaceSATASATA
HDD speed7200 RPM7200 RPM
Card reader integratedDiffersYesNo
Graphicsidentical
Graphics cardKnown for oneNo
Performance1 differ
Product typeWorkstationWorkstation
Motherboard chipsetDiffersIntel® 5520Intel® 3450
Networkidentical
Networking featuresGigabit Ethernet (10/100/1000)Gigabit Ethernet (10/100/1000)
Ports & interfaces1 differ
USB 2.0 ports quantity1010
Ethernet LAN (RJ-45) portsDiffers21
Headphone outputs11
Microphone inYesYes
PS/2 ports quantity22
Firewire (IEEE 1394) ports22
Serial ports quantity11
eSATA ports quantityKnown for one1
Power1 differ
Power supplyDiffers1060 W280 W
Power supply input voltageKnown for one100 - 240 V
Power supply input frequencyKnown for one50 - 60 Hz
Power supply typeKnown for one100 - 240 VAC, 50/60 Hz
Designidentical
Chassis typeTowerTower
Softwareidentical
Operating system installedWindows 7 ProfessionalWindows 7 Professional
Operating system architecture64-bit64-bit
Displayidentical
Display includedNoNo
Processor special features7 differ
CPU configuration (max)Differs21
Embedded options availableDiffersYesNo
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 TechnologyYesYes
Intel VT-x with Extended Page Tables (EPT)YesYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)YesYes
Intel® AES New Instructions (Intel® AES-NI)DiffersYesNo
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® Wireless Display (Intel® WiDi)NoNo
Physical Address Extension (PAE)Differs40 bit36 bit
Processor ARK IDDiffers4792542928
Processor codeDiffersSLBV4SLBLF
Processor package sizeDiffers42.5 X 45 mm37.5 x 37.5 mm
Supported instruction setsSSE4.2SSE4.2
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
Audio1 differ
Audio systemDiffersHigh Definition AudioRealtek ALC662
Weight & dimensions4 differ
WidthDiffers210 mm175 mm
DepthDiffers602 mm430.8 mm
HeightDiffers434 mm425.2 mm
WeightDiffers25 kg11.2 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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