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Product comparison · 2 pcs/workstations

HP Pavilion p6799uk Intel® Core™ i5 i5-650 vs Lenovo D20 (4155-22G)

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  • 83specifications compared
  • 50differ
  • 33identical
  • 62known for one product only

Key differences

  • Processor family
    • Intel® Core™ i5
    • Intel® Xeon® 5000 Sequence
  • Processor model
    • i5-650
    • E5520
  • Processor cores
    • 2
    • 4
  • Processor threads
    • 4
    • 8
  • Processor boost frequency
    • 3.46 GHz
    • 2.53 GHz
  • Processor frequency
    • 3.2 GHz
    • 2.26 GHz
  • Processor cache
    • 4 MB
    • 8 MB
  • Processor cache type
    • L3
    • Smart Cache

Side by side

Differences highlightedShow differences only
145 specifications
A

HP

Pavilion p6799uk Intel® Core™ i5 i5-650

Model p6799uk

View product
B

Lenovo

D20 (4155-22G)View product
Processor24 differ
Processor familyDiffersIntel® Core™ i5Intel® Xeon® 5000 Sequence
Processor generationKnown for oneIntel® Core™ i5
Processor modelDiffersi5-650E5520
Processor coresDiffers24
Processor threadsDiffers48
Processor boost frequencyDiffers3.46 GHz2.53 GHz
Processor frequencyDiffers3.2 GHz2.26 GHz
Processor cacheDiffers4 MB8 MB
Processor cache typeDiffersL3Smart Cache
Bus typeDiffersDMIQPI
System bus rateDiffers2.5 GT/s5.86 GT/s
Processor lithographyDiffers32 nm45 nm
Processor seriesDiffersIntel Core i5-600 Desktop SeriesIntel Xeon 5500 Series
Processor codenameDiffersClarkdaleNehalem EP
Thermal Design Power (TDP)Differs73 W80 W
TcaseDiffers72.6 °C72 °C
Maximum number of PCI Express lanesKnown for one16
PCI Express configurationsKnown for one1x16, 2x8
PCI Express slots versionKnown for one2.0
Processor socketDiffersLGA 1156 (Socket H)Socket B (LGA 1366)
Number of Processing Die TransistorsDiffers382 M731 M
Processing Die sizeDiffers81 mm²263 mm²
CPU multiplier (bus/core ratio)Differs2417
SteppingDiffersC2D0
Maximum internal memory supported by processorDiffers16 GB144 GB
Memory types supported by processorDiffersDDR3 1066/1333DDR3-SDRAM
Memory bandwidth supported by processor (max)Differs21 GB/s25.6 GB/s
ECC supported by processorDiffersNoYes
Processor system typeKnown for oneDP
Number of QPI linksKnown for one2
Number of processors installedKnown for one1
Memory clock speeds supported by processorKnown for one800,1066 MHz
Memory1 differ
Memory slotsKnown for one4x DIMM
Memory channelsDiffersDual-channelTriple-channel
Maximum internal memoryKnown for one96 GB
Memory clock speedKnown for one1066 MHz
Storage3 differ
Total storage capacityKnown for one1.5 TB
Optical drive typeDiffersDVD-ROMDVD-RW
Storage mediaKnown for oneHDD
Total HDDs capacityKnown for one1.5 TB
HDD interfaceDiffersSATASerial Attached SCSI (SAS)
HDD speedDiffers7200 RPM15000 RPM
Number of HDDs installedKnown for one1
HDD capacityKnown for one147 GB
RAID supportKnown for oneYes
RAID levelsKnown for one0, 1, 5, 10
Graphicsidentical
On-board graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneNVIDIA® GeForce® GT 420
On-board graphics card familyKnown for oneIntel® HD Graphics
On-board graphics card modelKnown for oneIntel® HD Graphics
Number of displays supported (on-board graphics)Known for one2
On-board graphics card base frequencyKnown for one733 MHz
Maximum graphics card memoryKnown for one2.048 GB
Graphics card familyKnown for oneNVIDIA
Performance1 differ
Product typeDiffersPCWorkstation
Motherboard chipsetKnown for oneIntel® H57
Optical driveidentical
LightScribeKnown for oneYes
CD read speedKnown for one40x
Networkidentical
Ethernet LANKnown for oneYes
Cabling technologyKnown for one10/100/1000Base-T(X)
Wi-FiKnown for oneYes
Networking featuresKnown for oneGigabit Ethernet (10/100/1000)
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers810
HDMI ports quantityKnown for one1
Headphone outputsDiffers21
Microphone inDiffersNoYes
DVI portKnown for oneYes
Firewire (IEEE 1394) portsDiffers12
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one0
Ethernet LAN (RJ-45) portsKnown for one2
Line-inKnown for oneYes
VGA (D-Sub) ports quantityKnown for one0
PS/2 ports quantityKnown for one0
eSATA ports quantityKnown for one1
Serial ports quantityKnown for one1
Parallel ports quantityKnown for one0
Expansion slots2 differ
PCI Express x1 slotsDiffers32
PCI Express x16 slotsDiffers12
PCI Express x4 slotsKnown for one1
Design1 differ
Chassis typeDiffersDesktopTower
Country of originKnown for oneChina
External drive baysKnown for one1x 3.5", 3x 5.25"
Internal drive baysKnown for one5x 3.5"
Softwareidentical
Operating system installedKnown for oneWindows 7 Home Premium
Operating system architectureKnown for one64-bit
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 features10 differ
CPU configuration (max)Differs12
Graphics & IMC lithographyKnown for one45 nm
Intel Demand Based SwitchingDiffersNoYes
Intel Dual Display Capable TechnologyDiffersYesNo
Intel FDI TechnologyDiffersYesNo
Intel Trusted Execution TechnologyDiffersYesNo
Intel® AES New Instructions (Intel® AES-NI)DiffersYesNo
Intel® Clear Video HD Technology (Intel® CVT HD)DiffersYesNo
Physical Address Extension (PAE)Differs36 bit40 bit
Processor ARK IDDiffers4354640200
Processor package sizeDiffers37.5 x 37.5 mm42.5 x 45 mm
Supported instruction setsKnown for oneSSE4.2
Intel® Smart CacheKnown for oneYes
Processor codeKnown for oneSLBFD
Weight & dimensions4 differ
WidthDiffers175 mm210 mm
DepthDiffers414 mm602 mm
HeightDiffers387 mm434 mm
WeightDiffers9.6 kg24.9 kg
Packaging contentidentical
Remote control includedKnown for oneYes
Featuresidentical
TV tuner typeKnown for oneDVB-T
Other featuresidentical
TV tuner integratedKnown for oneYes
Poweridentical
Power requirementsKnown for one100-240V, 50/60Hz
Power supplyKnown for one1060 W
Audioidentical
Audio systemKnown for oneADI 1988 A
Ergonomicsidentical
Acoustic pressure emissionsKnown for one24 dB
Certificatesidentical
Compliance industry standardsKnown for oneIEEE 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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