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Product comparison · 2 gpus

GIGABYTE GV-N640D3-2GI graphics card NVIDIA GeForce GT 640 vs GIGABYTE GV-N680WF3-2GD graphics card NVIDIA GeForce GTX 680

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

Key differences

  • Graphics processor
    • GeForce GT 640
    • GeForce GTX 680
  • CUDA cores
    • 384
    • 1536
  • Processor frequency
    • 900 MHz
    • 1006 MHz
  • Graphics card memory type
    • GDDR3
    • GDDR5
  • Memory bus
    • 128 bit
    • 256 bit
  • Memory clock speed
    • 1800 MHz
    • 6008 MHz
  • DVI-D ports quantity
    • 2
    • 1
  • DVI-I ports quantity
    • 0
    • 1

Side by side

Differences highlightedShow differences only
46 specifications
A

GIGABYTE

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

Model GV-N640D3-2GI

View product
B

GIGABYTE

GV-N680WF3-2GD graphics card NVIDIA GeForce GTX 680

Model GV-N680WF3-2GD

View product
Processor3 differ
Graphics processor familyNVIDIANVIDIA
Graphics processorDiffersGeForce GT 640GeForce GTX 680
Maximum resolution2560 x 1600 pixels2560 x 1600 pixels
CUDAYesYes
CUDA coresDiffers3841536
Processor frequencyDiffers900 MHz1006 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 videocardKnown for one4
Parallel processing technology supportKnown for oneNot supported
Processor boost clock speedKnown for one1058 MHz
Memory3 differ
Discrete graphics card memory2 GB2 GB
Graphics card memory typeDiffersGDDR3GDDR5
Memory busDiffers128 bit256 bit
Memory clock speedDiffers1800 MHz6008 MHz
Ports & interfaces4 differ
Interface typePCI Express 3.0PCI Express 3.0
HDMI ports quantity11
DVI-D ports quantityDiffers21
DVI-I ports quantityDiffers01
DisplayPorts quantityDiffers01
DVI ports quantityKnown for one2
VGA (D-Sub) ports quantityDiffers10
Performanceidentical
PhysXYesYes
TV tuner integratedNoNo
DirectX version1111
OpenGL version4.24.2
Dual Link DVIYesYes
NVIDIA 3D VisionKnown for oneYes
Full HDKnown for oneYes
HDCPKnown for oneYes
NVIDIA GameWorks VRKnown for oneNo
NVIDIA G-SYNCKnown for oneYes
Design1 differ
Cooling typeActiveActive
Bracket heightFull-Height (FH)Full-Height (FH)
Form factorDiffersFull-Height/Half-Length (FH/HL)Full-Height/Full-Length (FH/FL)
Number of slotsKnown for one2
Product colourKnown for oneBlack, Blue
Power1 differ
Minimum system power supplyDiffers350 W550 W
System requirementsidentical
Windows operating systems supportedKnown for oneYes
Weight & dimensions3 differ
LengthDiffers190 mm275 mm
DepthDiffers42 mm43 mm
HeightDiffers136.8 mm136.6 mm
Other featuresidentical
Mac compatibilityKnown for oneNo
HDMIYesYes
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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