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Product comparison · 2 pcs/workstations

HP WORKSTATION BUNDEL (KK787ET+KK787ET+KK787ET) 3x Z400 CMT Six-Core Xeon W3680 vs HP WORKSTATION BUNDEL (WM420ET+WM420ET+WM420ET) 3x Z400 CMT Quad-Core Xeon W3565

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  • 95specifications compared
  • 23differ
  • 72identical
  • 16known for one product only

Key differences

The HP WORKSTATION BUNDEL (KK787ET+KK787ET+KK787ET) 3x Z400 CMT Six-Core Xeon W3680 has 2 more processor cores than the HP WORKSTATION BUNDEL (WM420ET+WM420ET+WM420ET) 3x Z400 CMT Quad-Core Xeon W3565 (6 vs 4). The HP WORKSTATION BUNDEL (KK787ET+KK787ET+KK787ET) 3x Z400 CMT Six-Core Xeon W3680 has 4 more processor threads than the HP WORKSTATION BUNDEL (WM420ET+WM420ET+WM420ET) 3x Z400 CMT Quad-Core Xeon W3565 (12 vs 8). The HP WORKSTATION BUNDEL (KK787ET+KK787ET+KK787ET) 3x Z400 CMT Six-Core Xeon W3680 has 0.14 GHz more processor boost frequency than the HP WORKSTATION BUNDEL (WM420ET+WM420ET+WM420ET) 3x Z400 CMT Quad-Core Xeon W3565 (3.6 GHz vs 3.46 GHz). Only the HP WORKSTATION BUNDEL (KK787ET+KK787ET+KK787ET) 3x Z400 CMT Six-Core Xeon W3680 has Intel Trusted Execution Technology. Only the HP WORKSTATION BUNDEL (KK787ET+KK787ET+KK787ET) 3x Z400 CMT Six-Core Xeon W3680 has Intel® AES New Instructions (Intel® AES-NI).

  • Processor model
    • W3680
    • W3565
  • Processor cores
    • 6
    • 4
  • Processor threads
    • 12
    • 8
  • Processor boost frequency
    • 3.6 GHz
    • 3.46 GHz
  • Processor frequency
    • 3.33 GHz
    • 3.2 GHz
  • Processor cache
    • 12 MB
    • 8 MB
  • System bus rate
    • 6.4 GT/s
    • 4.8 GT/s
  • Processor lithography
    • 32 nm
    • 45 nm

Side by side

Differences highlightedShow differences only
111 specifications
A

HP

WORKSTATION BUNDEL (KK787ET+KK787ET+KK787ET) 3x Z400 CMT Six-Core Xeon W3680View product
B

HP

WORKSTATION BUNDEL (WM420ET+WM420ET+WM420ET) 3x Z400 CMT Quad-Core Xeon W3565View product
Processor14 differ
Processor manufacturerIntelIntel
Processor familyIntel® Xeon® 3000 SequenceIntel® Xeon® 3000 Sequence
Processor modelDiffersW3680W3565
Processor coresDiffers64
Processor threadsDiffers128
Processor boost frequencyDiffers3.6 GHz3.46 GHz
Processor frequencyDiffers3.33 GHz3.2 GHz
Processor cacheDiffers12 MB8 MB
Processor cache typeSmart CacheSmart Cache
Bus typeQPIQPI
FSB ParityNoNo
System bus rateDiffers6.4 GT/s4.8 GT/s
Processor lithographyDiffers32 nm45 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Xeon 3600 SeriesIntel Xeon 3500 Series
Processor codenameDiffersWestmere EPBloomfield
Thermal Design Power (TDP)130 W130 W
TcaseKnown for one67.9 °C
Number of QPI links11
Number of processors installed11
Processor socketSocket B (LGA 1366)Socket B (LGA 1366)
CPU multiplier (bus/core ratio)Differs2524
SteppingDiffersB1D0
Maximum internal memory supported by processor24 GB24 GB
Memory types supported by processorDDR3-SDRAMDDR3-SDRAM
Memory clock speeds supported by processorDiffers800,1066,1333 MHz800,1066 MHz
Memory bandwidth supported by processor (max)Differs32 GB/s25.6 GB/s
ECC supported by processorYesYes
Number of Processing Die TransistorsKnown for one731 M
Processing Die sizeKnown for one263 mm²
Memoryidentical
Internal memory6 GB6 GB
Maximum internal memory24 GB24 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory slots6x DIMM6x DIMM
Memory clock speed1333 MHz1333 MHz
ECCYesYes
Memory channelsTriple-channelTriple-channel
Storage1 differ
Optical drive typeDiffersDVD Super Multi DLDVD Super Multi
Total HDDs capacityKnown for one1.5 TB
Number of HDDs installed11
HDD capacityKnown for one1.5 TB
HDD interfaceKnown for oneSATA
HDD speedKnown for one7200 RPM
Card reader integratedYesYes
RAID supportYesYes
RAID levels0, 1, 5, 100, 1, 5, 10
Total SSDs capacityKnown for one160 GB
SSD capacityKnown for one160 GB
SSD interfaceKnown for oneSATA
Graphics1 differ
Maximum graphics card memoryKnown for one1.024 GB
Graphics cardDiffersQuadro 2000No
Graphics card familyKnown for oneNVIDIA
Graphics card memory typeKnown for oneGDDR5
Performanceidentical
Product typeWorkstationWorkstation
Motherboard chipsetIntel® X58 ExpressIntel® X58 Express
Networkidentical
Networking featuresGigabit Ethernet (10/100/1000)Gigabit Ethernet (10/100/1000)
Ports & interfacesidentical
USB 2.0 ports quantity1212
Ethernet LAN (RJ-45) ports11
Headphone outputs11
Microphone inYesYes
PS/2 ports quantity22
Firewire (IEEE 1394) ports11
Poweridentical
Power supply475 W475 W
Designidentical
Chassis typeMinitowerMinitower
Country of originChinaChina
Softwareidentical
Operating system installedWindows 7 ProfessionalWindows 7 Professional
Operating system architecture64-bit64-bit
Displayidentical
Display includedNoNo
Processor special features5 differ
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingYesYes
Intel Dual Display Capable TechnologyNoNo
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyNoNo
Intel Fast Memory AccessNoNo
Intel Flex Memory AccessNoNo
Intel Rapid Storage TechnologyNoNo
Intel Trusted Execution TechnologyDiffersYesNo
Intel VT-x with Extended Page Tables (EPT)YesYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)NoNo
Intel® AES New Instructions (Intel® AES-NI)DiffersYesNo
Intel® Clear Video HD Technology (Intel® CVT HD)NoNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)NoNo
Intel® InTru™ 3D TechnologyNoNo
Intel® Insider™NoNo
Intel® Wireless Display (Intel® WiDi)NoNo
Physical Address Extension (PAE)Differs36 bitYes
Processor ARK IDDiffers4791739721
Processor package sizeDiffers42.5 X 45 mm42.5 x 45.0 mm
Supported instruction setsSSE4.2SSE4.2
Thermal Monitoring TechnologiesNoNo
Intel® Turbo Boost Technology1.01.0
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel® Quick Sync Video TechnologyNoNo
Intel® My WiFi Technology (Intel® MWT)NoNo
Intel® Anti-Theft Technology (Intel® AT)NoNo
Conflict-Free processorNoNo
Intel® Smart CacheKnown for oneYes
Processor codeKnown for oneSLBEV
Audioidentical
Audio systemHigh Definition AudioHigh Definition Audio
Weight & dimensions2 differ
Width167.9 mm167.9 mm
DepthDiffers455.3 mm450.2 mm
HeightDiffers450.2 mm455.3 mm
Weight13.5 kg13.5 kg
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STAR

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