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Product comparison · 2 gpus

GIGABYTE GV-N66TOC-2GD-EU graphics card NVIDIA GeForce GTX 660 Ti vs GIGABYTE GV-R797SO-3GD graphics card AMD Radeon HD7970

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  • 35specifications compared
  • 13differ
  • 22identical
  • 14known for one product only

Key differences

  • Graphics processor family
    • NVIDIA
    • AMD
  • Graphics processor
    • GeForce GTX 660 Ti
    • Radeon HD7970
  • Processor frequency
    • 1032 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
49 specifications
A

GIGABYTE

GV-N66TOC-2GD-EU graphics card NVIDIA GeForce GTX 660 Ti

Model GV-N66TOC-2GD-EU

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
Maximum resolution2560 x 1600 pixels2560 x 1600 pixels
CUDAKnown for oneYes
CUDA coresKnown for one1344
Processor frequencyDiffers1032 MHz1080 MHz
Processor boost clock speedKnown for one1111 MHz
FireStreamKnown for oneNo
Maximum analog resolution2048 x 1536 pixels2048 x 1536 pixels
Maximum digital resolution2560 x 1600 pixels2560 x 1600 pixels
Maximum displays per videocard44
Parallel processing technology supportDiffers2-Way SLI, 3-Way SLI2-Way CrossFireX
Memory3 differ
Discrete graphics card memoryDiffers2 GB3 GB
Graphics card memory typeGDDR5GDDR5
Memory busDiffers192 bit384 bit
Memory clock speedDiffers6008 MHz5500 MHz
Ports & interfaces1 differ
Interface typePCI Express 3.0PCI Express 3.0
HDMI ports quantity11
DVI-D ports quantityKnown for one1
DVI-I ports quantity11
DisplayPorts quantityKnown for one1
HDMI version1.4a1.4a
DVI ports quantityDiffers21
TV-outKnown for oneNo
VGA (D-Sub) ports quantityKnown for one0
Mini DisplayPorts quantityKnown for one2
Performance2 differ
PhysXDiffersYesNo
TV tuner integratedNoNo
DirectX version1111
OpenGL versionDiffers4.34.2
HDCPKnown for oneYes
Dual Link DVIYesYes
NVIDIA 3D VisionYesYes
Full HDYesYes
Shader model versionKnown for one5.0
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
Power1 differ
Minimum system power supplyDiffers450 W650 W
System requirementsidentical
Windows operating systems supportedYesYes
Mac operating systems supportedKnown for oneNo
Weight & dimensions2 differ
LengthKnown for one266 mm
DepthDiffers42 mm64 mm
HeightDiffers137 mm148 mm
Packaging contentidentical
Bundled softwareDriver CDDriver CD
Other featuresidentical
Mac compatibilityNoNo
HDMIYesYes
Number of processors installed11

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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