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Product comparison · 2 gpus

GIGABYTE GV-N66TWF2-2GD graphics card NVIDIA GeForce GTX 660 Ti vs GIGABYTE GV-R797SO-3GD graphics card AMD Radeon HD7970

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  • 33specifications compared
  • 13differ
  • 20identical
  • 23known for one product only

Key differences

  • Graphics processor family
    • NVIDIA
    • AMD
  • Graphics processor
    • GeForce GTX 660 Ti
    • Radeon HD7970
  • Processor frequency
    • 941 MHz
    • 1080 MHz
  • Parallel processing technology support
    • 2-Way SLI, 3-Way SLI
    • 2-Way CrossFireX
  • Discrete graphics card memory
    • 2 GB
    • 3 GB
  • Memory bus
    • 192 bit
    • 384 bit
  • Memory clock speed
    • 6008 MHz
    • 5500 MHz
  • DVI ports quantity
    • 2
    • 1

Side by side

Differences highlightedShow differences only
56 specifications
A

GIGABYTE

GV-N66TWF2-2GD graphics card NVIDIA GeForce GTX 660 Ti

Model GV-N66TWF2-2GD

View product
B

GIGABYTE

GV-R797SO-3GD graphics card AMD Radeon HD7970

Model GV-R797SO-3GD

View product
Processor4 differ
Graphics processor familyDiffersNVIDIAAMD
Graphics processorDiffersGeForce GTX 660 TiRadeon HD7970
CUDAKnown for oneYes
CUDA coresKnown for one1344
Processor frequencyDiffers941 MHz1080 MHz
Processor boost clock speedKnown for one1019 MHz
Graphics card RAMDACKnown for one400 MHz
Parallel processing technology supportDiffers2-Way SLI, 3-Way SLI2-Way CrossFireX
Stream processorsKnown for one1344
Memory3 differ
Discrete graphics card memoryDiffers2 GB3 GB
Memory busDiffers192 bit384 bit
Memory clock speedDiffers6008 MHz5500 MHz
Memory bandwidth (max)Known for one144.2 GB/s
Ports & interfaces1 differ
DVI-D ports quantityKnown for one1
DisplayPorts quantityKnown for one1
DVI ports quantityDiffers21
VGA (D-Sub) ports quantityKnown for one0
Mini DisplayPorts quantityKnown for one2
Performance2 differ
PhysXDiffersYesNo
OpenGL versionDiffers4.34.2
HDCPKnown for oneYes
NVIDIA 3D VisionKnown for oneYes
Designidentical
Number of slotsKnown for one2
CertificationKnown for oneRoHS
Power1 differ
Minimum system power supplyDiffers450 W650 W
Power consumption (typical)Known for one150 W
Supplementary power connectorsKnown for one2x 6-pin
System requirementsidentical
Mac operating systems supportedKnown for oneNo
Linux operating systems supportedKnown for oneYes
Weight & dimensions2 differ
LengthKnown for one266 mm
DepthDiffers42 mm64 mm
HeightDiffers137 mm148 mm
Other featuresidentical
Graphics card familyKnown for oneNVIDIA
Maximum operating temperatureKnown for one97 °C
Mac compatibilityKnown for oneNo
Packaging contentidentical
Bundled softwareKnown for oneDriver CD

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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