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Product comparison · 2 pcs/workstations

Lenovo ThinkStation D20 (4155-79G), IT vs TERRA PC-NETTOP 2500 GREENLINE

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  • 74specifications compared
  • 41differ
  • 33identical
  • 49known for one product only

Key differences

  • Processor family
    • Intel® Xeon® 5000 Sequence
    • Intel Atom®
  • Processor model
    • E5507
    • 230
  • Processor cores
    • 4
    • 1
  • Processor threads
    • 4
    • 2
  • Processor frequency
    • 2.26 GHz
    • 1.6 GHz
  • Processor cache
    • 4 MB
    • 0.512 MB
  • Processor cache type
    • Smart Cache
    • L2
  • Bus type
    • QPI
    • FSB

Side by side

Differences highlightedShow differences only
123 specifications
A

Lenovo

ThinkStation D20 (4155-79G), ITView product
B

TERRA

TERRA PC-NETTOP 2500 GREENLINEView product
Processor15 differ
Processor familyDiffersIntel® Xeon® 5000 SequenceIntel Atom®
Processor modelDiffersE5507230
Processor coresDiffers41
Processor threadsDiffers42
Processor frequencyDiffers2.26 GHz1.6 GHz
Processor cacheDiffers4 MB0.512 MB
Processor cache typeDiffersSmart CacheL2
Bus typeDiffersQPIFSB
System bus rateKnown for one4.8 GT/s
Processor seriesDiffersIntel Xeon 5500 SeriesIntel Atom 200 Series
Processor codenameDiffersNehalem EPDiamondville
Thermal Design Power (TDP)Differs80 W4 W
TcaseDiffers76 °C85.2 °C
Number of QPI linksKnown for one2
Processor socketDiffersSocket B (LGA 1366)BGA 437
SteppingDiffersD0C0
Maximum internal memory supported by processorKnown for one144 GB
Memory types supported by processorKnown for oneDDR3-SDRAM
Memory clock speeds supported by processorKnown for one800 MHz
Memory bandwidth supported by processor (max)Known for one19.2 GB/s
ECC supported by processorDiffersYesNo
Processor front side busKnown for one533 MHz
Number of Processing Die TransistorsKnown for one47 M
Processing Die sizeKnown for one26 mm²
CPU multiplier (bus/core ratio)Known for one12
Memory2 differ
Internal memoryDiffers3 GB2 GB
Maximum internal memoryKnown for one96 GB
Internal memory typeDiffersDDR3-SDRAMDDR2-SDRAM
Memory layout (slots x size)Known for one3 x 1 GB
Memory clock speedKnown for one1066 MHz
Memory channelsKnown for oneTriple-channel
Storage2 differ
Optical drive typeDiffersDVD-RWNo
HDD capacityKnown for one500 GB
Card reader integratedDiffersYesNo
Compatible memory cardsKnown for oneCF, MMC, SD, xD
Total storage capacityKnown for one250 GB
HDD speedKnown for one5400 RPM
Floppy drive installedKnown for oneNo
Performance1 differ
Product typeDiffersWorkstationPC
Audio output channelsKnown for one2.0 channels
Optical driveidentical
CD read speedKnown for one40x
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers106
Ethernet LAN (RJ-45) portsDiffers21
Line-inKnown for oneYes
Firewire (IEEE 1394) portsDiffers20
eSATA ports quantityKnown for one1
Serial ports quantityDiffers10
HDMI ports quantityKnown for one0
DVI portKnown for oneYes
Expansion slotsidentical
PCI Express x16 slotsKnown for one1
PCI slotsKnown for one2
Power1 differ
Power requirementsDiffers100-240V; 50/60Hz100-240V
Power supplyKnown for one1060 W
Power supply input frequencyKnown for one50 - 60 Hz
Design1 differ
Chassis typeDiffersTowerSFF
Product colourKnown for oneBlack
Software1 differ
Operating system installedDiffersWindows 7 ProfessionalFreeDOS
Optional operating system suppliedKnown for oneWindows XP Professional
Compatible operating systemsKnown for oneWindows 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
Drivers includedKnown for oneYes
Processor special features10 differ
Enhanced Intel SpeedStep TechnologyDiffersYesNo
Idle StatesDiffersYesNo
Intel Demand Based SwitchingDiffersYesNo
Intel Enhanced Halt StateDiffersYesNo
Intel VT-x with Extended Page Tables (EPT)DiffersYesNo
Intel Virtualization Technology (VT-x)DiffersYesNo
Intel Virtualization Technology for Directed I/O (VT-d)DiffersYesNo
Intel® Smart CacheKnown for oneYes
Physical Address Extension (PAE)Known for oneYes
Processor ARK IDDiffers3710035635
Processor codeDiffersSLBKCSLB6Z
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Processor package sizeKnown for one22 x 22 mm
Supported instruction setsKnown for oneSSE2, SSE3, SSSE3
Audio1 differ
Audio systemDiffersADI 1988 AHD
Weight & dimensions3 differ
WidthDiffers210 mm26 mm
DepthDiffers579 mm175 mm
HeightDiffers485 mm152 mm
WeightKnown for one24.9 kg
Packaging contentidentical
Mouse includedKnown for oneYes
Remote control includedKnown for oneNo
Keyboardidentical
Keyboard typeKnown for onePreferred Pro USB
Graphicsidentical
On-board graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneNVIDIA® ION™
Graphics card familyKnown for oneNvidia
Networkidentical
Ethernet LANKnown for oneYes
Wi-FiKnown for oneNo
Networking featuresKnown for oneGigabit Ethernet
Certificatesidentical
CertificationKnown for oneEnergyStar, CE
Other featuresidentical
TV tuner integratedKnown for oneNo

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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