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Product comparison · 2 pcs/workstations

Lenovo ThinkStation D20 (4155-79G), UK vs TERRA PC-HOME 5100

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  • 78specifications compared
  • 41differ
  • 37identical
  • 59known for one product only

Key differences

The Lenovo ThinkStation D20 (4155-79G), UK has 2 more processor cores than the TERRA PC-HOME 5100 (4 vs 2). The Lenovo ThinkStation D20 (4155-79G), UK has 2 more processor threads than the TERRA PC-HOME 5100 (4 vs 2). The TERRA PC-HOME 5100 has 0.67 GHz more processor frequency than the Lenovo ThinkStation D20 (4155-79G), UK (2.93 GHz vs 2.26 GHz). Only the Lenovo ThinkStation D20 (4155-79G), UK has ECC supported by processor. Only the Lenovo ThinkStation D20 (4155-79G), UK has Intel Demand Based Switching.

  • Processor family
    • Intel® Xeon® 5000 Sequence
    • Intel® Core™2 Duo
  • Processor model
    • E5507
    • E7500
  • Processor cores
    • 4
    • 2
  • Processor threads
    • 4
    • 2
  • Processor frequency
    • 2.26 GHz
    • 2.93 GHz
  • Processor cache
    • 4 MB
    • 3 MB
  • Processor cache type
    • Smart Cache
    • L2
  • Bus type
    • QPI
    • FSB

Side by side

Differences highlightedShow differences only
137 specifications
A

Lenovo

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

TERRA

TERRA PC-HOME 5100View product
Processor15 differ
Processor familyDiffersIntel® Xeon® 5000 SequenceIntel® Core™2 Duo
Processor modelDiffersE5507E7500
Processor coresDiffers42
Processor threadsDiffers42
Processor frequencyDiffers2.26 GHz2.93 GHz
Processor cacheDiffers4 MB3 MB
Processor cache typeDiffersSmart CacheL2
Processor front side busKnown for one1066 MHz
Bus typeDiffersQPIFSB
Processor seriesDiffersIntel Xeon 5500 SeriesIntel Core 2 Duo E7000 Series
Processor codenameDiffersNehalem EPWolfdale
Thermal Design Power (TDP)Differs80 W65 W
TcaseDiffers76 °C74.1 °C
Processor socketDiffersSocket B (LGA 1366)LGA 775 (Socket T)
Number of Processing Die TransistorsKnown for one228 M
Processing Die sizeKnown for one82 mm²
CPU multiplier (bus/core ratio)Known for one11
SteppingDiffersD0R0
ECC supported by processorDiffersYesNo
System bus rateKnown for one4.8 GT/s
Number of QPI linksKnown for one2
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
Memory4 differ
Internal memoryDiffers3 GB4 GB
Maximum internal memoryDiffers96 GB8 GB
Internal memory typeDiffersDDR3-SDRAMDDR2-SDRAM
Memory layout (slots x size)Differs3 x 1 GB2 x 2 GB
Memory clock speedKnown for one1066 MHz
Memory channelsKnown for oneTriple-channel
Memory typeKnown for oneDDR3 SDRAM
Storage1 differ
Total storage capacityKnown for one640 GB
Optical drive typeDiffersDVD-RWDVD±RW
HDD speedKnown for one7200 RPM
Floppy drive installedKnown for oneNo
HDD capacityKnown for one500 GB
Compatible memory cardsKnown for oneCF, MMC, SD, xD
Storage drive typeKnown for one500GB SATA/ 7200
Graphicsidentical
On-board graphics cardKnown for oneNo
Discrete graphics card modelKnown for oneAMD Radeon HD 5450
Discrete graphics card memoryKnown for one1 GB
Graphics card familyKnown for oneAMD
Performance1 differ
Product typeDiffersWorkstationPC
Networkidentical
Ethernet LANKnown for oneYes
Wi-FiKnown for oneNo
Networking featuresKnown for oneGigabit Ethernet
Modem typeKnown for oneNo
Ports & interfaces7 differ
USB 2.0 ports quantityDiffers106
HDMI ports quantityKnown for one1
Ethernet LAN (RJ-45) portsDiffers21
VGA (D-Sub) ports quantityDiffers01
DVI portKnown for oneYes
PS/2 ports quantityDiffers02
Firewire (IEEE 1394) portsDiffers20
Serial ports quantityDiffers10
Parallel ports quantityDiffers01
I/O portsKnown for one6 x Audio
Line-inKnown for oneYes
eSATA ports quantityKnown for one1
Expansion slotsidentical
PCI Express x1 slotsKnown for one1
PCI slotsKnown for one2
Expansion slotsKnown for onePCI Express 2.0
Power1 differ
Power requirementsDiffers100-240V; 50/60Hz230 V, 4 A
Power supply input frequencyKnown for one50 Hz
Power consumption (typical)Known for one350 W
Power supplyKnown for one1060 W
Designidentical
Product colourKnown for oneGrey
External drive baysKnown for one2 x 5.25", 1 x 3.5"
Internal drive baysKnown for one1 x 3.5"
Form factorKnown for oneTower Tower (6x9)
Software1 differ
Operating system installedDiffersWindows 7 ProfessionalWindows 7 Home Premium
Drivers includedKnown for oneYes
Trial softwareKnown for oneKaspersky Internet Security
Bundled softwareKnown for oneAdobe Reader
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
Processor special features7 differ
Intel Demand Based SwitchingDiffersYesNo
Intel VT-x with Extended Page Tables (EPT)DiffersYesNo
Intel Virtualization Technology (VT-x)DiffersYes2
Intel Virtualization Technology for Directed I/O (VT-d)DiffersYesNo
Processor ARK IDDiffers3710036503
Processor codeDiffersSLBKCSLB9Z
Processor package sizeKnown for one37.5 x 37.5 mm
Thermal Monitoring TechnologiesDiffersNoYes
Intel® Smart CacheKnown for oneYes
Physical Address Extension (PAE)Known for oneYes
Audio1 differ
Audio systemDiffersADI 1988 AHD Realtek ALC888
Weight & dimensions3 differ
WidthDiffers210 mm180 mm
DepthDiffers579 mm380 mm
HeightDiffers485 mm375 mm
WeightKnown for one24.9 kg
Packaging contentidentical
Remote control includedKnown for oneNo
Certificatesidentical
CertificationKnown for oneEnergyStar, CE
Other featuresidentical
TV tuner integratedKnown for oneNo
Security featuresKnown for oneBoot sequence control, Boot without keyboard or mouse, Configuration password, Cover key lock, Diskette Boot inhibit, Diskette I/O control, Hardfile I/O control, Padlock loop, Power on password, Security slot (for attachment of optional cable lock), Ser
Optical driveidentical
CD read speedKnown for one40x
Keyboardidentical
Pointing deviceKnown for oneUSB Optical Wheel Mouse
Keyboard typeKnown for onePreferred Pro USB
Featuresidentical
Manageability featuresKnown for oneImage Ultra - HIIT Compliant Drivers - Vista Only, Secure Data Disposal, ThinkVantage Image Ultra Builder - Vista Support, ThinkVantage Update Builder, ThinkVantage Update Retriever

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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