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Product comparison · 2 gpus

CLUB3D CGAX-7876OCF graphics card AMD Radeon HD7870 vs CLUB3D CGAX-7999 graphics card AMD Radeon HD7990

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  • 36specifications compared
  • 13differ
  • 23identical
  • 22known for one product only

Key differences

  • Graphics processor
    • Radeon HD7870
    • Radeon HD7990
  • Processor frequency
    • 1050 MHz
    • 1800 MHz
  • Maximum displays per videocard
    • 3
    • 6
  • Parallel processing technology support
    • 2-Way CrossFireX
    • Quad-GPU CrossFireX
  • Stream processors
    • 2560
    • 4096
  • Discrete graphics card memory
    • 4 GB
    • 6 GB
  • Memory clock speed
    • 4800 MHz
    • 5500 MHz
  • HDMI ports quantity
    • 2
    • 1

Side by side

Differences highlightedShow differences only
58 specifications
A

CLUB3D

CGAX-7876OCF graphics card AMD Radeon HD7870

Model CGAX-7876OCF

View product
B

CLUB3D

CGAX-7999 graphics card AMD Radeon HD7990

Model CGAX-7999

View product
Processor5 differ
Graphics processor familyAMDAMD
Graphics processorDiffersRadeon HD7870Radeon HD7990
Maximum resolution4096 x 3112 pixels4096 x 3112 pixels
CUDAKnown for oneNo
Processor frequencyDiffers1050 MHz1800 MHz
Processor boost clock speedKnown for one1850 MHz
Graphics card RAMDAC400 MHz400 MHz
Maximum analog resolutionKnown for one2048 x 1536 pixels
Maximum digital resolutionKnown for one4096 x 3112 pixels
Maximum displays per videocardDiffers36
Parallel processing technology supportDiffers2-Way CrossFireXQuad-GPU CrossFireX
Stream processorsDiffers25604096
Memory2 differ
Discrete graphics card memoryDiffers4 GB6 GB
Graphics card memory typeGDDR5GDDR5
Memory clock speedDiffers4800 MHz5500 MHz
Memory bandwidth (max)Known for one21.6 GB/s
Memory busKnown for one256 bit
Ports & interfaces4 differ
Interface typePCI Express 3.0PCI Express 3.0
HDMI ports quantityDiffers21
DVI-D ports quantityDiffers21
DVI-I ports quantityDiffers21
DisplayPorts quantity00
HDMI version1.4a1.4a
DVI ports quantityKnown for one2
DisplayPort version1.21.2
Mini DisplayPorts quantityDiffers42
VGA (D-Sub) ports quantity00
Dual VGAKnown for oneYes
Performanceidentical
PhysXNoNo
TV tuner integratedNoNo
DirectX version11.111.1
Shader model version5.05.0
OpenGL version4.24.2
HDCPYesYes
Dual Link DVIYesYes
Full HDYesYes
Designidentical
Cooling typeActiveActive
Bracket heightFull-Height (FH)Full-Height (FH)
Form factorFull-Height/Full-Length (FH/FL)Full-Height/Full-Length (FH/FL)
Number of slotsKnown for one3
Product colourKnown for oneBlack
Power1 differ
Minimum system power supplyDiffers700 W1000 W
Power consumption (typical)Known for one500 W
Supplementary power connectorsKnown for one3x 8-pin
System requirements1 differ
Windows operating systems supportedDiffersWindows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, WinYes
Minimum RAM2048 MB2048 MB
Weight & dimensionsidentical
WeightKnown for one1.79 kg
LengthKnown for one308 mm
DepthKnown for one62 mm
HeightKnown for one137 mm
Packaging contentidentical
Cables includedKnown for oneCrossFire
User guideKnown for oneYes
Bundled softwareKnown for oneDriver & E-Manual CD
Other featuresidentical
Mac compatibilityKnown for oneNo
HDMIYesYes
Compatible operating systemsKnown for oneMicrosoft Windows 8 32/64-Bit Microsoft Windows 7 32/64-Bit Microsoft Windows Vista 32/64-Bit Microsoft Windows XP 32/64-Bit
Number of processors installed22
Technical detailsidentical
Compliance certificatesKnown for oneRoHS

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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