Product comparison · 2 pcs/workstations

HP Pavilion p6780uk Intel® Pentium® D 830 vs Lenovo D20 (4155-22G)

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  • 86specifications compared
  • 46differ
  • 40identical
  • 61known for one product only

Key differences

The Lenovo D20 (4155-22G) has 2 more processor cores than the HP Pavilion p6780uk Intel® Pentium® D 830 (4 vs 2). The Lenovo D20 (4155-22G) has 6 more processor threads than the HP Pavilion p6780uk Intel® Pentium® D 830 (8 vs 2). The HP Pavilion p6780uk Intel® Pentium® D 830 has 0.74 GHz more processor frequency than the Lenovo D20 (4155-22G) (3 GHz vs 2.26 GHz). Only the Lenovo D20 (4155-22G) has ECC supported by processor. Only the Lenovo D20 (4155-22G) has Intel Demand Based Switching.

  • Processor family
    • Pavilion p6780uk Intel® Pentium® D 830:Intel® Pentium® D
    • D20 (4155-22G):Intel® Xeon® 5000 Sequence
  • Processor model
    • Pavilion p6780uk Intel® Pentium® D 830:830
    • D20 (4155-22G):E5520
  • Processor cores
    • Pavilion p6780uk Intel® Pentium® D 830:2
    • D20 (4155-22G):4
  • Processor threads
    • Pavilion p6780uk Intel® Pentium® D 830:2
    • D20 (4155-22G):8
  • Processor frequency
    • Pavilion p6780uk Intel® Pentium® D 830:3 GHz
    • D20 (4155-22G):2.26 GHz
  • Processor cache
    • Pavilion p6780uk Intel® Pentium® D 830:6 MB
    • D20 (4155-22G):8 MB
  • Processor cache type
    • Pavilion p6780uk Intel® Pentium® D 830:L3
    • D20 (4155-22G):Smart Cache
  • Bus type
    • Pavilion p6780uk Intel® Pentium® D 830:FSB
    • D20 (4155-22G):QPI

Side by side

Differences highlightedShow differences only (on)
Comparison of p6780uk, D20 (4155-22G)
147 specifications
Processor18 differ
Processor familyDiffersIntel® Pentium® DIntel® Xeon® 5000 Sequence
Processor modelDiffers830E5520
Processor coresDiffers24
Processor threadsDiffers28
Processor frequencyDiffers3 GHz2.26 GHz
L2 cacheKnown for one2 MBUnknown — not stated by the source
Processor cacheDiffers6 MB8 MB
L3 cacheKnown for one6 MBUnknown — not stated by the source
Processor cache typeDiffersL3Smart Cache
Processor front side busKnown for one800 MHzUnknown — not stated by the source
Bus typeDiffersFSBQPI
Processor lithographyDiffers90 nm45 nm
Processor seriesDiffersIntel Pentium D 800 SeriesIntel Xeon 5500 Series
Processor codenameDiffersSmithfieldNehalem EP
Thermal Design Power (TDP)Differs130 W80 W
TcaseDiffers69.8 °C72 °C
Processor socketDiffersLGA 775 (Socket T)Socket B (LGA 1366)
Number of Processing Die TransistorsDiffers230 M731 M
Processing Die sizeDiffers206 mm²263 mm²
CPU multiplier (bus/core ratio)Differs1517
Processor core voltage (AC)Known for one1.25 - 1.40 VUnknown — not stated by the source
ECC supported by processorDiffersNoYes
Processor boost frequencyKnown for oneUnknown — not stated by the source2.53 GHz
System bus rateKnown for oneUnknown — not stated by the source5.86 GT/s
Processor system typeKnown for oneUnknown — not stated by the sourceDP
Number of QPI linksKnown for oneUnknown — not stated by the source2
SteppingKnown for oneUnknown — not stated by the sourceD0
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 source800,1066 MHz
Memory bandwidth supported by processor (max)Known for oneUnknown — not stated by the source25.6 GB/s
Memory2 differ
Maximum internal memoryDiffers8 GB96 GB
Memory layout (slots x size)Differs1 x 4 GB2 x 2 GB
Memory slotsKnown for one4x DIMMUnknown — not stated by the source
Memory clock speedKnown for oneUnknown — not stated by the source1066 MHz
Memory channelsKnown for oneUnknown — not stated by the sourceTriple-channel
Storage3 differ
Total storage capacityKnown for one1 TBUnknown — not stated by the source
Optical drive typeDiffersBlu-Ray DVD ComboDVD-RW
Storage mediaKnown for oneHDDUnknown — not stated by the source
Total HDDs capacityKnown for one1 TBUnknown — not stated by the source
HDD interfaceDiffersSATA IISerial Attached SCSI (SAS)
HDD speedDiffers7200 RPM15000 RPM
HDD capacityKnown for oneUnknown — not stated by the source147 GB
RAID supportKnown for oneUnknown — not stated by the sourceYes
RAID levelsKnown for oneUnknown — not stated by the source0, 1, 5, 10
Graphicsidentical
Discrete graphics card modelKnown for oneNVIDIA® GeForce® G405Unknown — not stated by the source
Discrete graphics card memoryKnown for one1 GBUnknown — not stated by the source
Graphics card familyKnown for oneNVIDIAUnknown — not stated by the source
Performance1 differ
Product typeDiffersPCWorkstation
Motherboard chipsetKnown for oneAMD 760GUnknown — not stated by the source
Audio output channelsKnown for one7.1 channelsUnknown — not stated by the source
Optical driveidentical
LightScribeKnown for oneYesUnknown — not stated by the source
CD read speedKnown for oneUnknown — not stated by the source40x
Network1 differ
Ethernet LANKnown for oneYesUnknown — not stated by the source
Ethernet LAN data ratesKnown for one10,100 Mbit/sUnknown — not stated by the source
Cabling technologyKnown for one10/100Base-T(X)Unknown — not stated by the source
Wi-FiKnown for oneYesUnknown — not stated by the source
Networking featuresDiffersFast EthernetGigabit Ethernet (10/100/1000)
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers610
HDMI ports quantityKnown for one1Unknown — not stated by the source
Ethernet LAN (RJ-45) portsDiffers12
DVI portKnown for oneYesUnknown — not stated by the source
Firewire (IEEE 1394) portsDiffers02
S/PDIF out portKnown for oneYesUnknown — not stated by the source
Serial ports quantityDiffers01
Line-inKnown for oneUnknown — not stated by the sourceYes
eSATA ports quantityKnown for oneUnknown — not stated by the source1
Expansion slots2 differ
Number of 3.5" baysKnown for one2Unknown — not stated by the source
PCI Express x1 slotsDiffers32
PCI Express x16 slotsDiffers12
PCI Express x4 slotsKnown for oneUnknown — not stated by the source1
Design1 differ
Chassis typeDiffersMicro TowerTower
Number of 5.25" baysKnown for one2Unknown — not stated by the source
Country of originKnown for oneChinaUnknown — not stated by the source
External drive baysKnown for oneUnknown — not stated by the source1x 3.5", 3x 5.25"
Internal drive baysKnown for oneUnknown — not stated by the source5x 3.5"
Softwareidentical
Operating system installedKnown for oneWindows 7 Home PremiumUnknown — not stated by the source
Operating system architectureKnown for one64-bitUnknown — not stated by the source
Drivers includedKnown for oneYesUnknown — not stated by the source
Trial softwareKnown for oneSymantec Norton Internet Security 2010, Norton Online BackupUnknown — not stated by the source
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.
Processor special features9 differ
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
Physical Address Extension (PAE)Differs32 bit40 bit
Processor ARK IDDiffers2751340200
Processor package sizeDiffers37.5 x 37.5 mm42.5 x 45 mm
Intel® Turbo Boost TechnologyDiffersNo1.0
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
CPU configuration (max)Known for oneUnknown — not stated by the source2
Intel® Smart CacheKnown for oneUnknown — not stated by the sourceYes
Processor codeKnown for oneUnknown — not stated by the sourceSLBFD
Audio1 differ
Audio systemDiffersHDADI 1988 A
Weight & dimensions4 differ
WidthDiffers175 mm210 mm
DepthDiffers414 mm602 mm
HeightDiffers387 mm434 mm
WeightDiffers9.6 kg24.9 kg
Packaging contentidentical
Mouse includedKnown for oneYesUnknown — not stated by the source
Keyboard includedKnown for oneYesUnknown — not stated by the source
Remote control includedKnown for oneYesUnknown — not stated by the source
Featuresidentical
TV tuner typeKnown for oneDVB-TUnknown — not stated by the source
Other featuresidentical
TV tuner integratedKnown for oneYesUnknown — not stated by the source
Poweridentical
Power requirementsKnown for oneUnknown — not stated by the source100-240V, 50/60Hz
Power supplyKnown for oneUnknown — not stated by the source1060 W
Ergonomicsidentical
Acoustic pressure emissionsKnown for oneUnknown — not stated by the source24 dB
Certificatesidentical
Compliance industry standardsKnown for oneUnknown — not stated by the sourceIEEE 802.3, IEEE 802.3u, IEEE 802.3ab

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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