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Product comparison · 2 gpus

CLUB3D CGAX-7999 graphics card AMD Radeon HD7990 vs MSI GeForce GTX 660 2GB

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  • 43specifications compared
  • 21differ
  • 22identical
  • 20known for one product only

Key differences

The CLUB3D CGAX-7999 graphics card AMD Radeon HD7990 has 820 MHz more processor frequency than the MSI GeForce GTX 660 2GB (1800 MHz vs 980 MHz). The CLUB3D CGAX-7999 graphics card AMD Radeon HD7990 has 817 MHz more processor boost clock speed than the MSI GeForce GTX 660 2GB (1850 MHz vs 1033 MHz). The CLUB3D CGAX-7999 graphics card AMD Radeon HD7990 has 3,136 more stream processors than the MSI GeForce GTX 660 2GB (4096 vs 960). Only the MSI GeForce GTX 660 2GB has CUDA. Only the MSI GeForce GTX 660 2GB has PhysX.

  • Graphics processor family
    • AMD
    • NVIDIA
  • Graphics processor
    • Radeon HD7990
    • GeForce GTX 660
  • CUDA
    • No
    • Yes
  • Processor frequency
    • 1800 MHz
    • 980 MHz
  • Processor boost clock speed
    • 1850 MHz
    • 1033 MHz
  • Maximum digital resolution
    • 4096 x 3112 pixels
    • 2560 x 1600 pixels
  • Parallel processing technology support
    • Quad-GPU CrossFireX
    • 2-Way SLI, 3-Way SLI
  • Stream processors
    • 4096
    • 960

Side by side

Differences highlightedShow differences only
63 specifications
A

CLUB3D

CGAX-7999 graphics card AMD Radeon HD7990

Model CGAX-7999

View product
B

MSI

GeForce GTX 660 2GBView product
Processor8 differ
Graphics processor familyDiffersAMDNVIDIA
Graphics processorDiffersRadeon HD7990GeForce GTX 660
Maximum resolutionKnown for one4096 x 3112 pixels
CUDADiffersNoYes
Processor frequencyDiffers1800 MHz980 MHz
Processor boost clock speedDiffers1850 MHz1033 MHz
Maximum digital resolutionDiffers4096 x 3112 pixels2560 x 1600 pixels
Maximum displays per videocardKnown for one6
Parallel processing technology supportDiffersQuad-GPU CrossFireX2-Way SLI, 3-Way SLI
Stream processorsDiffers4096960
CUDA coresKnown for one960
Memory3 differ
Discrete graphics card memoryDiffers6 GB2 GB
Memory clock speedDiffers5500 MHz6008 MHz
Memory bandwidth (max)Differs21.6 GB/s144.19 GB/s
Memory busKnown for one192 bit
Ports & interfaces1 differ
DisplayPorts quantityDiffers01
DisplayPort versionKnown for one1.2
Mini DisplayPorts quantityKnown for one2
Performance2 differ
PhysXDiffersNoYes
DirectX versionDiffers11.111
NVIDIA 3D VisionKnown for oneYes
Design1 differ
Number of slotsDiffers32
Product colourKnown for oneBlack
Power2 differ
Minimum system power supplyDiffers1000 W450 W
Power consumption (typical)Known for one500 W
Supplementary power connectorsDiffers3x 8-pin1x 6-pin
System requirementsidentical
Minimum RAMKnown for one2048 MB
Mac operating systems supportedKnown for oneNo
Linux operating systems supportedKnown for oneYes
Weight & dimensions3 differ
WeightKnown for one1.79 kg
LengthDiffers308 mm220 mm
DepthDiffers62 mm36 mm
HeightDiffers137 mm111 mm
Packaging contentidentical
Cables includedKnown for oneCrossFire
Bundled softwareKnown for oneDriver & E-Manual CD
Other features1 differ
Mac compatibilityKnown for oneNo
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 installedDiffers21
Power requirementsKnown for one24A
Graphics card familyKnown for oneNVIDIA
Maximum operating temperatureKnown for one97 °C

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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