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Product comparison · 2 pcs/workstations

HP Compaq dc7900 CMT vs HP Compaq dc7900 USDT

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  • 102specifications compared
  • 22differ
  • 80identical
  • 10known for one product only

Key differences

  • Processor model
    • E8500
    • E8400
  • Processor frequency
    • 3.16 GHz
    • 3 GHz
  • CPU multiplier (bus/core ratio)
    • 9.5
    • 9
  • Stepping
    • C0
    • E0
  • Maximum internal memory
    • 16 GB
    • 8 GB
  • Memory layout (slots x size)
    • 2 x 1 GB
    • 1 x 2 GB
  • Total storage capacity
    • 250 GB
    • 160 GB
  • Card reader integrated
    • Yes
    • No

Side by side

Differences highlightedShow differences only
112 specifications
A

HP

Compaq dc7900 CMTView product
B

HP

Compaq dc7900 USDTView product
Processor4 differ
Processor modelDiffersE8500E8400
Processor frequencyDiffers3.16 GHz3 GHz
Processor system typeKnown for oneDP
CPU multiplier (bus/core ratio)Differs9.59
Processor core voltage (AC)Known for one0.850/1.3625 V
SteppingDiffersC0E0
Memory2 differ
Maximum internal memoryDiffers16 GB8 GB
Memory layout (slots x size)Differs2 x 1 GB1 x 2 GB
Memory slotsKnown for one2x SO-DIMM
Storage2 differ
Total storage capacityDiffers250 GB160 GB
HDD interfaceKnown for oneSATA
Card reader integratedDiffersYesNo
Graphicsidentical
On-board graphics card modelKnown for oneNot available
Network1 differ
Networking featuresDiffersIntel 82567LM GigabitGigabit
Ports & interfaces1 differ
Serial ports quantityDiffers10
Expansion slots1 differ
PCI Express x1 slotsKnown for one2
PCI Express x16 slotsKnown for one1
Expansion slotsDiffers3 x PCI1 x PCIe (mini)
Power1 differ
Power consumption (typical)Differs365 W135 W
Designidentical
Chassis typeKnown for oneMini Tower
External drive baysKnown for one3 x 5.25", 1 x 3.5"
Display3 differ
Display diagonalDiffers55.9 cm (22")48.3 cm (19")
Display resolutionDiffers1680 x 1050 pixels1280 x 1024 pixels
Contrast ratio (typical)Differs1000:1800:1
Processor special features3 differ
Embedded options availableDiffersNoYes
Processor ARK IDDiffers3391133910
Processor codeDiffersSLAPKSLB9J
Graphics & IMC lithographyKnown for one45 nm
Weight & dimensions4 differ
WidthDiffers177 mm251 mm
DepthDiffers452 mm254 mm
HeightDiffers447 mm66 mm
WeightDiffers11.8 kg3.1 kg

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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