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Product comparison · 2 pcs/workstations

HP Z400 Quad-Core Xeon W3565 + NVIDIA Q4000 + ZR2740w (WM418ET+WS095ET+XW476AT) vs HP Z400 Six-Core Xeon W3680 + NVIDIA Q4000 + ZR2740w (KK787ET+WS095ET+XW476AT)

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  • 98specifications compared
  • 23differ
  • 75identical
  • 5known for one product only

Key differences

The HP Z400 Six-Core Xeon W3680 + NVIDIA Q4000 + ZR2740w (KK787ET+WS095ET+XW476AT) has 2 more processor cores than the HP Z400 Quad-Core Xeon W3565 + NVIDIA Q4000 + ZR2740w (WM418ET+WS095ET+XW476AT) (6 vs 4). The HP Z400 Six-Core Xeon W3680 + NVIDIA Q4000 + ZR2740w (KK787ET+WS095ET+XW476AT) has 4 more processor threads than the HP Z400 Quad-Core Xeon W3565 + NVIDIA Q4000 + ZR2740w (WM418ET+WS095ET+XW476AT) (12 vs 8). The HP Z400 Six-Core Xeon W3680 + NVIDIA Q4000 + ZR2740w (KK787ET+WS095ET+XW476AT) has 0.14 GHz more processor boost frequency than the HP Z400 Quad-Core Xeon W3565 + NVIDIA Q4000 + ZR2740w (WM418ET+WS095ET+XW476AT) (3.6 GHz vs 3.46 GHz). Only the HP Z400 Six-Core Xeon W3680 + NVIDIA Q4000 + ZR2740w (KK787ET+WS095ET+XW476AT) has card reader integrated. Only the HP Z400 Six-Core Xeon W3680 + NVIDIA Q4000 + ZR2740w (KK787ET+WS095ET+XW476AT) has Intel Trusted Execution Technology.

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

Side by side

Differences highlightedShow differences only
103 specifications
A

HP

Z400 Quad-Core Xeon W3565 + NVIDIA Q4000 + ZR2740w (WM418ET+WS095ET+XW476AT)View product
B

HP

Z400 Six-Core Xeon W3680 + NVIDIA Q4000 + ZR2740w (KK787ET+WS095ET+XW476AT)View product
Processor14 differ
Processor modelDiffersW3565W3680
Processor coresDiffers46
Processor threadsDiffers812
Processor boost frequencyDiffers3.46 GHz3.6 GHz
Processor frequencyDiffers3.2 GHz3.33 GHz
Processor cacheDiffers8 MB12 MB
System bus rateDiffers4.8 GT/s6.4 GT/s
Processor lithographyDiffers45 nm32 nm
Processor seriesDiffersIntel Xeon 3500 SeriesIntel Xeon 3600 Series
Processor codenameDiffersBloomfieldWestmere EP
Number of Processing Die TransistorsKnown for one731 M
Processing Die sizeKnown for one263 mm²
CPU multiplier (bus/core ratio)Differs2425
SteppingDiffersD0B1
Memory clock speeds supported by processorDiffers800,1066 MHz800,1066,1333 MHz
Memory bandwidth supported by processor (max)Differs25.6 GB/s32 GB/s
TcaseKnown for one67.9 °C
Memory1 differ
Internal memoryDiffers12 GB6 GB
Storage3 differ
Total HDDs capacityDiffers1 TB1.5 TB
HDD capacityDiffers1 TB1.5 TB
Card reader integratedDiffersNoYes
Processor special features5 differ
Intel Trusted Execution TechnologyDiffersNoYes
Intel® AES New Instructions (Intel® AES-NI)DiffersNoYes
Intel® Smart CacheKnown for oneYes
Physical Address Extension (PAE)DiffersYes36 bit
Processor ARK IDDiffers3972147917
Processor codeKnown for oneSLBEV
Processor package sizeDiffers42.5 x 45.0 mm42.5 X 45 mm

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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