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Product comparison · 2 gpus

GIGABYTE GV-N66TWF2-2GD graphics card NVIDIA GeForce GTX 660 Ti vs GIGABYTE GV-R797TO-3GD graphics card AMD Radeon HD7970

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  • 31specifications compared
  • 15differ
  • 16identical
  • 22known for one product only

Key differences

  • Graphics processor family
    • NVIDIA
    • AMD
  • Graphics processor
    • GeForce GTX 660 Ti
    • Radeon HD7970
  • Processor frequency
    • 941 MHz
    • 1050 MHz
  • Processor boost clock speed
    • 1019 MHz
    • 1100 MHz
  • Discrete graphics card memory
    • 2 GB
    • 3 GB
  • Memory bus
    • 192 bit
    • 384 bit
  • Memory clock speed
    • 6008 MHz
    • 6000 MHz
  • DVI-D ports quantity
    • 1
    • 0

Side by side

Differences highlightedShow differences only
53 specifications
A

GIGABYTE

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

Model GV-N66TWF2-2GD

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B

GIGABYTE

GV-R797TO-3GD graphics card AMD Radeon HD7970

Model GV-R797TO-3GD

View product
Processor4 differ
Graphics processor familyDiffersNVIDIAAMD
Graphics processorDiffersGeForce GTX 660 TiRadeon HD7970
Maximum resolution2560 x 1600 pixels2560 x 1600 pixels
CUDAKnown for oneYes
CUDA coresKnown for one1344
Processor frequencyDiffers941 MHz1050 MHz
Processor boost clock speedDiffers1019 MHz1100 MHz
Graphics card RAMDACKnown for one400 MHz
Maximum analog resolution2048 x 1536 pixels2048 x 1536 pixels
Maximum digital resolution2560 x 1600 pixels2560 x 1600 pixels
Maximum displays per videocardKnown for one4
Parallel processing technology supportKnown for one2-Way SLI, 3-Way SLI
Stream processorsKnown for one1344
Memory3 differ
Discrete graphics card memoryDiffers2 GB3 GB
Graphics card memory typeGDDR5GDDR5
Memory busDiffers192 bit384 bit
Memory clock speedDiffers6008 MHz6000 MHz
Memory bandwidth (max)Known for one144.2 GB/s
Ports & interfaces1 differ
Interface typePCI Express 3.0PCI Express 3.0
HDMI ports quantity11
DVI-D ports quantityDiffers10
DVI-I ports quantity11
DisplayPorts quantityKnown for one1
HDMI versionKnown for one1.4a
DVI ports quantityKnown for one2
VGA (D-Sub) ports quantity00
Mini DisplayPorts quantityKnown for one2
Performance3 differ
PhysXDiffersYesNo
TV tuner integratedNoNo
DirectX versionDiffers1111.1
Shader model versionKnown for one5.0
OpenGL versionDiffers4.34.2
HDCPKnown for oneYes
Dual Link DVIYesYes
Full HDKnown for oneYes
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 one2
CertificationRoHSRoHS
Power1 differ
Minimum system power supplyDiffers450 W600 W
Power consumption (typical)Known for one150 W
Supplementary power connectorsKnown for one2x 6-pin
System requirementsidentical
Windows operating systems supportedYesYes
Mac operating systems supportedKnown for oneNo
Linux operating systems supportedKnown for oneYes
Weight & dimensions3 differ
LengthDiffers266 mm285 mm
DepthDiffers42 mm38 mm
HeightDiffers137 mm126 mm
Other featuresidentical
HDMIYesYes
Graphics card familyKnown for oneNVIDIA
Maximum operating temperatureKnown for one97 °C
Number of processors installedKnown for one1

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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