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Product comparison · 2 gpus

CLUB3D CGAX-7957 graphics card AMD Radeon HD7950 vs CLUB3D CGAX-7977C graphics card AMD Radeon HD7970

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  • 52specifications compared
  • 12differ
  • 40identical
  • 6known for one product only

Key differences

  • Graphics processor
    • Radeon HD7950
    • Radeon HD7970
  • Maximum resolution
    • 4096 x 3112 pixels
    • 4096 x 2160 pixels
  • Processor frequency
    • 800 MHz
    • 925 MHz
  • Stream processors
    • 1792
    • 2048
  • Memory clock speed
    • 5000 MHz
    • 5500 MHz
  • Power consumption (typical)
    • 200 W
    • 250 W
  • Supplementary power connectors
    • 2x 6-pin
    • 1x 6-pin, 1x 8-pin
  • Weight
    • 642 g
    • 1.11 kg

Side by side

Differences highlightedShow differences only
58 specifications
A

CLUB3D

CGAX-7957 graphics card AMD Radeon HD7950

Model CGAX-7957

View product
B

CLUB3D

CGAX-7977C graphics card AMD Radeon HD7970

Model CGAX-7977C

View product
Processor4 differ
Graphics processor familyAMDAMD
Graphics processorDiffersRadeon HD7950Radeon HD7970
Maximum resolutionDiffers4096 x 3112 pixels4096 x 2160 pixels
Processor frequencyDiffers800 MHz925 MHz
Graphics card RAMDAC400 MHz400 MHz
Maximum analog resolution2048 x 1536 pixels2048 x 1536 pixels
Maximum digital resolution4096 x 3112 pixels4096 x 3112 pixels
Maximum displays per videocard66
Parallel processing technology supportAPP, Quad-GPU CrossFireXAPP, Quad-GPU CrossFireX
Stream processorsDiffers17922048
CUDAKnown for oneNo
Memory1 differ
Discrete graphics card memory3 GB3 GB
Graphics card memory typeGDDR5GDDR5
Memory bus384 bit384 bit
Memory clock speedDiffers5000 MHz5500 MHz
Memory bandwidth (max)264 GB/s264 GB/s
Ports & interfacesidentical
Interface typePCI Express 3.0PCI Express 3.0
HDMI ports quantity11
DVI-D ports quantity00
DVI-I ports quantity11
DisplayPorts quantity00
HDMI version1.4a1.4a
DVI ports quantityKnown for one1
Mini DisplayPorts quantity22
VGA (D-Sub) ports quantity00
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 slots22
CertificationFCC, CE, RoHSFCC, CE, RoHS
Power2 differ
Minimum system power supply500 W500 W
Power consumption (typical)Differs200 W250 W
Supplementary power connectorsDiffers2x 6-pin1x 6-pin, 1x 8-pin
System requirementsidentical
Windows operating systems supportedWindows 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 Vista Business, Windows Vista Business x64, Windows Vista Home Basic, Windows Vista Home Basic x64, WiWindows 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 Vista Business, Windows Vista Business x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Wi
Minimum system requirementsCD-ROMCD-ROM
Minimum RAM1024 MB1024 MB
Minimum storage drive space200 MB200 MB
Weight & dimensions2 differ
WeightDiffers642 g1.11 kg
LengthDiffers263 mm278 mm
Depth34 mm34 mm
Height107 mm107 mm
Packaging contentidentical
Cables includedKnown for oneCrossFire
User guideKnown for oneYes
Bundled softwareKnown for oneCatalyst configuration software
Other features3 differ
Cable typeDiffersMiniDP - DVIHDMI - DVI
HDMIYesYes
ChipsetDiffersTahiti ProTahiti XT
Compatible operating systemsWindows 7 Windows Vista Windows XPWindows 7 Windows Vista Windows XP
Dimensions (WxDxH)Differs263 x 107 x 34 mm278 x 107 x 34 mm
Mac compatibilityKnown for oneNo

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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