Product comparison · 2 pcs/workstations

HP 500B + 18.5" Widescreen LCD Monitor + 1GB PC3-10600 (DDR3-1333 MHz) DIMM vs Lenovo ThinkStation D20 (4155-79G), DE

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  • 75specifications compared
  • 40differ
  • 35identical
  • 46known for one product only

Key differences

The Lenovo ThinkStation D20 (4155-79G), DE has 2 more processor cores than the HP 500B + 18.5" Widescreen LCD Monitor + 1GB PC3-10600 (DDR3-1333 MHz) DIMM (4 vs 2). The Lenovo ThinkStation D20 (4155-79G), DE has 2 more processor threads than the HP 500B + 18.5" Widescreen LCD Monitor + 1GB PC3-10600 (DDR3-1333 MHz) DIMM (4 vs 2). The HP 500B + 18.5" Widescreen LCD Monitor + 1GB PC3-10600 (DDR3-1333 MHz) DIMM has 0.34 GHz more processor frequency than the Lenovo ThinkStation D20 (4155-79G), DE (2.6 GHz vs 2.26 GHz). Only the Lenovo ThinkStation D20 (4155-79G), DE has ECC supported by processor. Only the HP 500B + 18.5" Widescreen LCD Monitor + 1GB PC3-10600 (DDR3-1333 MHz) DIMM has display included.

  • Processor family
    • 500B + 18.5" Widescreen LCD Monitor + 1GB PC3-10600 (DDR3-1333 MHz) DIMM:Intel® Pentium®
    • ThinkStation D20 (4155-79G), DE:Intel® Xeon® 5000 Sequence
  • Processor model
    • 500B + 18.5" Widescreen LCD Monitor + 1GB PC3-10600 (DDR3-1333 MHz) DIMM:E5300
    • ThinkStation D20 (4155-79G), DE:E5507
  • Processor cores
    • 500B + 18.5" Widescreen LCD Monitor + 1GB PC3-10600 (DDR3-1333 MHz) DIMM:2
    • ThinkStation D20 (4155-79G), DE:4
  • Processor threads
    • 500B + 18.5" Widescreen LCD Monitor + 1GB PC3-10600 (DDR3-1333 MHz) DIMM:2
    • ThinkStation D20 (4155-79G), DE:4
  • Processor frequency
    • 500B + 18.5" Widescreen LCD Monitor + 1GB PC3-10600 (DDR3-1333 MHz) DIMM:2.6 GHz
    • ThinkStation D20 (4155-79G), DE:2.26 GHz
  • Processor cache
    • 500B + 18.5" Widescreen LCD Monitor + 1GB PC3-10600 (DDR3-1333 MHz) DIMM:2 MB
    • ThinkStation D20 (4155-79G), DE:4 MB
  • Processor cache type
    • 500B + 18.5" Widescreen LCD Monitor + 1GB PC3-10600 (DDR3-1333 MHz) DIMM:L2
    • ThinkStation D20 (4155-79G), DE:Smart Cache
  • Bus type
    • 500B + 18.5" Widescreen LCD Monitor + 1GB PC3-10600 (DDR3-1333 MHz) DIMM:FSB
    • ThinkStation D20 (4155-79G), DE:QPI

Side by side

Differences highlightedShow differences only (on)
Comparison of 500B + 18.5" Widescreen LCD Monitor + 1GB PC3-10600 (DDR3-1333 MHz) DIMM, ThinkStation D20 (4155-79G), DE
121 specifications
Processor15 differ
Processor familyDiffersIntel® Pentium®Intel® Xeon® 5000 Sequence
Processor modelDiffersE5300E5507
Processor coresDiffers24
Processor threadsDiffers24
Processor frequencyDiffers2.6 GHz2.26 GHz
Processor cacheDiffers2 MB4 MB
Processor cache typeDiffersL2Smart Cache
Bus typeDiffersFSBQPI
System bus rateKnown for oneUnknown — not stated by the source4.8 GT/s
Processor seriesDiffersIntel Pentium E5000 Series for DesktopIntel Xeon 5500 Series
Processor codenameDiffersWolfdaleNehalem EP
Thermal Design Power (TDP)Differs65 W80 W
TcaseDiffers74.1 °C76 °C
Number of QPI linksKnown for oneUnknown — not stated by the source2
Processor socketDiffersLGA 775 (Socket T)Socket B (LGA 1366)
SteppingDiffersR0D0
Maximum internal memory supported by processorKnown for oneUnknown — not stated by the source144 GB
Memory types supported by processorKnown for oneUnknown — not stated by the sourceDDR3-SDRAM
Memory clock speeds supported by processorKnown for oneUnknown — not stated by the source800 MHz
Memory bandwidth supported by processor (max)Known for oneUnknown — not stated by the source19.2 GB/s
ECC supported by processorDiffersNoYes
Processor front side busKnown for one800 MHzUnknown — not stated by the source
Number of Processing Die TransistorsKnown for one228 MUnknown — not stated by the source
Processing Die sizeKnown for one82 mm²Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one13Unknown — not stated by the source
Memory3 differ
Internal memoryDiffers2 GB3 GB
Maximum internal memoryDiffers4 GB96 GB
Memory layout (slots x size)Differs1 x 2 GB3 x 1 GB
Memory clock speedKnown for oneUnknown — not stated by the source1066 MHz
Memory channelsKnown for oneUnknown — not stated by the sourceTriple-channel
Memory slotsKnown for one2x DIMMUnknown — not stated by the source
Storage1 differ
Optical drive typeKnown for oneUnknown — not stated by the sourceDVD-RW
HDD capacityKnown for oneUnknown — not stated by the source500 GB
HDD interfaceDiffersSATASATA II
Compatible memory cardsKnown for oneUnknown — not stated by the sourceCF, MMC, SD, xD
Total storage capacityKnown for one320 GBUnknown — not stated by the source
HDD speedKnown for one7200 RPMUnknown — not stated by the source
Floppy drive installedKnown for oneNoUnknown — not stated by the source
Graphicsidentical
Maximum graphics card memoryKnown for oneUnknown — not stated by the source0.5 GB
On-board graphics cardKnown for oneYesUnknown — not stated by the source
Discrete graphics card modelKnown for oneIntel® GMA 4500MUnknown — not stated by the source
Performance1 differ
Product typeDiffersPCWorkstation
Optical driveidentical
CD read speedKnown for oneUnknown — not stated by the source40x
LightScribeKnown for oneYesUnknown — not stated by the source
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers610
Ethernet LAN (RJ-45) portsDiffers12
Line-inKnown for oneUnknown — not stated by the sourceYes
VGA (D-Sub) ports quantityDiffers10
Firewire (IEEE 1394) portsDiffers02
eSATA ports quantityKnown for oneUnknown — not stated by the source1
Serial ports quantityDiffers01
HDMI ports quantityKnown for one0Unknown — not stated by the source
DVI portKnown for oneNoUnknown — not stated by the source
Expansion slotsidentical
PCI Express x16 slotsKnown for oneUnknown — not stated by the source1
PCI slotsKnown for oneUnknown — not stated by the source2
Poweridentical
Power requirementsKnown for oneUnknown — not stated by the source100-240V; 50/60Hz
Power supplyKnown for oneUnknown — not stated by the source1060 W
Design1 differ
Chassis typeDiffersMicro TowerTower
Country of originKnown for oneChinaUnknown — not stated by the source
Softwareidentical
Optional operating system suppliedKnown for oneUnknown — not stated by the sourceWindows XP Professional
Compatible operating systemsKnown for oneUnknown — not stated by the sourceWindows 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
Display1 differ
Display includedDiffersYesNo
Display diagonalKnown for one47 cm (18.5")Unknown — not stated by the source
Processor special features8 differ
Embedded options availableDiffersYesNo
Intel Demand Based SwitchingDiffersNoYes
Intel VT-x with Extended Page Tables (EPT)DiffersNoYes
Intel Virtualization Technology (VT-x)Differs2Yes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® Smart CacheKnown for oneUnknown — not stated by the sourceYes
Physical Address Extension (PAE)Known for oneUnknown — not stated by the sourceYes
Processor ARK IDDiffers3530037100
Processor codeDiffersSLB9USLBKC
Thermal Monitoring TechnologiesDiffersYesNo
CPU configuration (max)Known for one1Unknown — not stated by the source
Audio1 differ
Audio systemDiffersHigh Definition AudioADI 1988 A
Weight & dimensions4 differ
WidthDiffers166 mm210 mm
DepthDiffers428 mm579 mm
HeightDiffers384 mm485 mm
WeightDiffers10.2 kg24.9 kg
Packaging contentidentical
Mouse includedKnown for oneUnknown — not stated by the sourceYes
Remote control includedKnown for oneNoUnknown — not stated by the source
Keyboardidentical
Keyboard typeKnown for oneUnknown — not stated by the sourcePreferred Pro USB
Networkidentical
Ethernet LANKnown for oneYesUnknown — not stated by the source
Wi-FiKnown for oneNoUnknown — not stated by the source
Networking featuresKnown for oneEthernet, Fast EthernetUnknown — not stated by the source
Other featuresidentical
TV tuner integratedKnown for oneNoUnknown — 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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