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Product comparison · 2 gpus

CLUB3D CGNX-X666 graphics card NVIDIA GeForce GTX 660 vs GIGABYTE GV-N640D3-2GI graphics card NVIDIA GeForce GT 640

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  • 34specifications compared
  • 16differ
  • 18identical
  • 24known for one product only

Key differences

  • Graphics processor
    • GeForce GTX 660
    • GeForce GT 640
  • CUDA cores
    • 960
    • 384
  • Processor frequency
    • 980 MHz
    • 900 MHz
  • Parallel processing technology support
    • 2-Way SLI
    • Not supported
  • Graphics card memory type
    • GDDR5
    • GDDR3
  • Memory bus
    • 192 bit
    • 128 bit
  • Memory clock speed
    • 6008 MHz
    • 1800 MHz
  • DVI-D ports quantity
    • 1
    • 2

Side by side

Differences highlightedShow differences only
58 specifications
A

CLUB3D

CGNX-X666 graphics card NVIDIA GeForce GTX 660

Model CGNX-X666

View product
B

GIGABYTE

GV-N640D3-2GI graphics card NVIDIA GeForce GT 640

Model GV-N640D3-2GI

View product
Processor4 differ
Graphics processor familyNVIDIANVIDIA
Graphics processorDiffersGeForce GTX 660GeForce GT 640
Maximum resolution2560 x 1600 pixels2560 x 1600 pixels
CUDAYesYes
CUDA coresDiffers960384
Processor frequencyDiffers980 MHz900 MHz
Processor boost clock speedKnown for one1033 MHz
Graphics card RAMDACKnown for one400 MHz
Maximum analog resolution2048 x 1536 pixels2048 x 1536 pixels
Parallel processing technology supportDiffers2-Way SLINot supported
Stream processorsKnown for one960
FireStreamKnown for oneNo
Maximum digital resolutionKnown for one2560 x 1600 pixels
Maximum displays per videocardKnown for one4
Memory3 differ
Discrete graphics card memory2 GB2 GB
Graphics card memory typeDiffersGDDR5GDDR3
Memory busDiffers192 bit128 bit
Memory clock speedDiffers6008 MHz1800 MHz
Ports & interfaces4 differ
Interface typePCI Express 3.0PCI Express 3.0
HDMI ports quantity11
DVI-D ports quantityDiffers12
DVI-I ports quantityDiffers10
DisplayPorts quantityDiffers10
HDMI versionKnown for one1.4a
Dual VGAKnown for oneYes
VGA (D-Sub) ports quantityDiffers01
DVI ports quantityKnown for one2
Performanceidentical
PhysXYesYes
TV tuner integratedNoNo
DirectX version1111
OpenGL version4.24.2
HDCPKnown for oneYes
Dual Link DVIYesYes
NVIDIA 3D VisionYesYes
NVIDIA GameWorks VRKnown for oneNo
NVIDIA G-SYNCKnown for oneYes
Full HDYesYes
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
Product colourKnown for oneBlack, Blue
Power1 differ
Minimum system power supplyDiffers450 W350 W
Power consumption (typical)Known for one130 W
System requirementsidentical
Minimum RAMKnown for one2048 MB
Minimum processorKnown for oneIntel Pentium 4, AMD Athlon XP
Minimum storage drive spaceKnown for one300 MB
Windows operating systems supportedKnown for oneYes
Weight & dimensions3 differ
WeightKnown for one575 g
LengthDiffers242 mm190 mm
DepthDiffers34 mm42 mm
HeightDiffers107 mm136.8 mm
Packaging contentidentical
ManualKnown for oneYes
User guideKnown for oneYes
Other featuresidentical
HDMIYesYes
Compatible operating systemsKnown for oneMicrosoft Windows XP 32/64-Bit Microsoft Windows Vista 32/64-Bit Microsoft Windows 7 32/64-Bit Microsoft Windows 8 32/64-Bit
Mac compatibilityKnown for oneNo
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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