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Product comparison · 2 pcs/workstations

HP Compaq dx2420 Microtower PC vs Lenovo ThinkStation D20

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  • 85specifications compared
  • 52differ
  • 33identical
  • 46known for one product only

Key differences

  • Processor family
    • Intel® Celeron®
    • Intel® Xeon® 5000 Sequence
  • Processor model
    • 450
    • X5550
  • Processor cores
    • 1
    • 4
  • Processor threads
    • 1
    • 8
  • Processor frequency
    • 2.2 GHz
    • 2.66 GHz
  • Processor cache
    • 0.512 MB
    • 8 MB
  • Processor cache type
    • L2
    • Smart Cache
  • Bus type
    • FSB
    • QPI

Side by side

Differences highlightedShow differences only
131 specifications
A

HP

Compaq dx2420 Microtower PCView product
B

Lenovo

ThinkStation D20View product
Processor18 differ
Processor familyDiffersIntel® Celeron®Intel® Xeon® 5000 Sequence
Processor modelDiffers450X5550
Processor coresDiffers14
Processor threadsDiffers18
Processor frequencyDiffers2.2 GHz2.66 GHz
Processor cacheDiffers0.512 MB8 MB
Processor cache typeDiffersL2Smart Cache
Processor front side busKnown for one800 MHz
Bus typeDiffersFSBQPI
Processor lithographyDiffers65 nm45 nm
Processor codenameDiffersConroeNehalem EP
Thermal Design Power (TDP)Differs35 W95 W
TcaseDiffers60.4 °C75 °C
TjunctionKnown for one100 °C
Number of processors installedKnown for one1
Processor socketDiffersLGA 775 (Socket T)Socket B (LGA 1366)
Number of Processing Die TransistorsDiffers105 M731 M
Processing Die sizeDiffers77 mm²263 mm²
CPU multiplier (bus/core ratio)Differs1120
SteppingDiffersA1D0
ECC supported by processorDiffersNoYes
Processor boost frequencyKnown for one3.06 GHz
System bus rateKnown for one6.4 GT/s
Processor seriesKnown for oneIntel Xeon 5500 Series
Processor system typeKnown for oneDP
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 one800,1066,1333 MHz
Memory bandwidth supported by processor (max)Known for one32 GB/s
Memory5 differ
Internal memoryDiffers1 GB8 GB
Maximum internal memoryDiffers4 GB192 GB
Internal memory typeDiffersDDR2-SDRAMDDR3-SDRAM
Memory layout (slots x size)Differs1 x 1 GB4 x 2 GB
Memory slotsKnown for one2x DIMM
Memory clock speedDiffers800 MHz1333 MHz
Memory channelsKnown for oneTriple-channel
Storage2 differ
Total storage capacityKnown for one160 GB
Optical drive typeDiffersDVD-ROMDVD-RW
HDD speedKnown for one7200 RPM
Card reader integratedDiffersNoYes
Storage drive controllerKnown for oneSATA 3-Gb/s NCQ SMART IV
HDD capacityKnown for one1.5 TB
Compatible memory cardsKnown for oneCF, MMC, SD, xD
Graphicsidentical
Discrete graphics card modelKnown for oneIntel® GMA 3100
Maximum graphics card memoryKnown for one0.256 GB
Graphics card familyKnown for oneIntel
Graphics cardKnown for oneQuadro FX 4800
Performance1 differ
Product typeDiffersPCWorkstation
Optical drive1 differ
CD read speedDiffers48x40x
Networkidentical
Networking featuresKnown for oneRealtek 8101E-GR GbE Ethernet
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers610
Ethernet LAN (RJ-45) portsDiffers12
Line-outKnown for oneYes
VGA (D-Sub) ports quantityDiffers10
PS/2 ports quantityDiffers20
Serial ports quantityDiffers01
Firewire (IEEE 1394) portsKnown for one2
eSATA ports quantityKnown for one1
I/O portsKnown for one1 eSATA, 5 SATA Gen 2, 5 SAS
Expansion slotsidentical
PCI Express x1 slotsKnown for one2
Expansion slotsKnown for one1 x PCI
PCI slotsKnown for one2
Power1 differ
Power requirementsDiffers90 – 264 V / 100 – 240 V, 50/60 Hz, 47 – 63 Hz100-240V@50-60Hz
Power consumption (typical)Known for one300 W
Power supplyKnown for one1060 W
Design3 differ
Chassis typeDiffersMicro TowerTower
External drive baysDiffers2 x 5.25”, 1 x 3.5”3.5" x 1, 5.25" x 3
Internal drive baysDiffers2 x 3.5”3.5" x 5
Country of originKnown for oneChina
Softwareidentical
Operating system installedKnown for oneWindows Vista Home Basic
Compatible operating systemsKnown for oneWindows XP Pro SP1a/SP2a 32/64-bit Red Hat Enterprise Linux 5.0 Windows Vista Business Windows Vista Business 64 Windows Vista Enterprise Edition 32-bit Windows Vista Enterprise Edition 64-bit Windows Vista Ultimate Windows Vista Ultimate 64-Bit
Processor special features11 differ
Enhanced Intel SpeedStep TechnologyDiffersNoYes
Intel Demand Based SwitchingDiffersNoYes
Intel VT-x with Extended Page Tables (EPT)DiffersNoYes
Intel Virtualization Technology (VT-x)DiffersNoYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Processor ARK IDDiffers3523937106
Processor codeDiffersSLAFZSLBF5
Processor package sizeDiffers37.5 mm42.5 x 45 mm
Thermal Monitoring TechnologiesDiffersYesNo
Intel® Turbo Boost TechnologyDiffersNo1.0
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
CPU configuration (max)Known for one2
Intel® Smart CacheKnown for oneYes
Audio1 differ
Audio system direct 3D soundKnown for oneYes
Audio systemDiffersRealtek ALC662 HDADI 1988 A
Operational conditionsidentical
Operating temperature (T-T)Known for one10 - 35 °C
Storage temperature (T-T)Known for one-30 - 60 °C
Operating relative humidity (H-H)Known for one10 - 90%
Storage relative humidity (H-H)Known for one5 - 95%
Non-operating altitudeKnown for one9000
Weight & dimensions4 differ
WidthDiffers165 mm210 mm
DepthDiffers373 mm579 mm
HeightDiffers365 mm485 mm
WeightDiffers10.2 kg24.9 kg
Packaging contentidentical
Mouse includedKnown for oneYes
Keyboardidentical
Keyboard typeKnown for onePreferred Pro USB

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