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Product comparison · 2 gpus

GIGABYTE GV-N66TOC-2GD graphics card NVIDIA GeForce GTX 660 Ti vs GIGABYTE GV-R777OC-1GD REV2.0

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  • 38specifications compared
  • 16differ
  • 22identical
  • 17known for one product only

Key differences

  • Graphics processor family
    • NVIDIA
    • AMD
  • Graphics processor
    • GeForce GTX 660 Ti
    • Radeon HD7770
  • CUDA
    • Yes
    • No
  • Processor frequency
    • 1032 MHz
    • 1050 MHz
  • Parallel processing technology support
    • 2-Way SLI, 3-Way SLI
    • 2-Way CrossFireX
  • Discrete graphics card memory
    • 2 GB
    • 1 GB
  • Memory bus
    • 192 bit
    • 128 bit
  • Memory clock speed
    • 6008 MHz
    • 4500 MHz

Side by side

Differences highlightedShow differences only
55 specifications
A

GIGABYTE

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

Model GV-N66TOC-2GD

View product
B

GIGABYTE

GV-R777OC-1GD REV2.0View product
Processor5 differ
Graphics processor familyDiffersNVIDIAAMD
Graphics processorDiffersGeForce GTX 660 TiRadeon HD7770
CUDADiffersYesNo
CUDA coresKnown for one1344
Processor frequencyDiffers1032 MHz1050 MHz
Processor boost clock speedKnown for one1111 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 videocard44
Parallel processing technology supportDiffers2-Way SLI, 3-Way SLI2-Way CrossFireX
Stream processorsKnown for one1344
Maximum resolutionKnown for one2560 x 1600 pixels
Memory3 differ
Discrete graphics card memoryDiffers2 GB1 GB
Graphics card memory typeGDDR5GDDR5
Memory busDiffers192 bit128 bit
Memory clock speedDiffers6008 MHz4500 MHz
Memory bandwidth (max)Known for one144.2 GB/s
Ports & interfaces3 differ
Interface typePCI Express 3.0PCI Express 3.0
HDMI ports quantity11
DVI-D ports quantityDiffers10
DVI-I ports quantity11
DisplayPorts quantityDiffers10
HDMI version1.4a1.4a
DVI ports quantityDiffers21
VGA (D-Sub) ports quantity00
Mini DisplayPorts quantityKnown for one2
Performance1 differ
PhysXDiffersYesNo
TV tuner integratedNoNo
DirectX version1111
Shader model version5.05.0
OpenGL version4.24.2
HDCPKnown for oneYes
Dual Link DVIYesYes
Full HDYesYes
NVIDIA 3D VisionKnown for oneYes
Design1 differ
Cooling typeActiveActive
Bracket heightFull-Height (FH)Full-Height (FH)
Form factorDiffersFull-Height/Full-Length (FH/FL)Full-Height/Half-Length (FH/HL)
Number of slots22
Poweridentical
Minimum system power supply450 W450 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 mm212 mm
DepthDiffers42 mm41.5 mm
HeightDiffers137 mm136.5 mm
Other featuresidentical
HDMIYesYes
Graphics card familyKnown for oneNVIDIA
Maximum operating temperatureKnown for one97 °C
Number of processors installed11
Mac compatibilityKnown for oneNo
Packaging contentidentical
Bundled softwareKnown for oneDriver CD

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