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Product comparison · 2 gpus

GIGABYTE GV-N640D3-2GI graphics card NVIDIA GeForce GT 640 vs GIGABYTE GV-N650OC-2GI graphics card NVIDIA GeForce GTX 650

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  • 38specifications compared
  • 7differ
  • 31identical
  • 19known for one product only

Key differences

  • Graphics processor
    • GeForce GT 640
    • GeForce GTX 650
  • Processor frequency
    • 900 MHz
    • 1110 MHz
  • Graphics card memory type
    • GDDR3
    • GDDR5
  • Memory clock speed
    • 1800 MHz
    • 5000 MHz
  • Minimum system power supply
    • 350 W
    • 400 W
  • Length
    • 190 mm
    • 187 mm
  • Height
    • 136.8 mm
    • 129 mm

Side by side

Differences highlightedShow differences only
57 specifications
A

GIGABYTE

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

Model GV-N640D3-2GI

View product
B

GIGABYTE

GV-N650OC-2GI graphics card NVIDIA GeForce GTX 650

Model GV-N650OC-2GI

View product
Processor2 differ
Graphics processor familyNVIDIANVIDIA
Graphics processorDiffersGeForce GT 640GeForce GTX 650
CUDAYesYes
CUDA cores384384
Processor frequencyDiffers900 MHz1110 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 supportNot supportedNot supported
Stream processorsKnown for one384
Maximum resolutionKnown for one2560 x 1600 pixels
FireStreamKnown for oneNo
Memory2 differ
Discrete graphics card memory2 GB2 GB
Graphics card memory typeDiffersGDDR3GDDR5
Memory bus128 bit128 bit
Memory clock speedDiffers1800 MHz5000 MHz
Memory bandwidth (max)Known for one80 GB/s
Ports & interfacesidentical
Interface typePCI Express 3.0PCI Express 3.0
HDMI ports quantity11
DVI-D ports quantity22
DVI-I ports quantity00
DisplayPorts quantity00
HDMI versionKnown for one1.4a
DVI ports quantity22
VGA (D-Sub) ports quantity11
Performanceidentical
PhysXYesYes
TV tuner integratedNoNo
DirectX version1111
Shader model versionKnown for one5.0
OpenGL version4.24.2
HDCPKnown for oneYes
Dual Link DVIYesYes
NVIDIA 3D VisionYesYes
NVIDIA GameWorks VRKnown for oneNo
NVIDIA G-SYNCKnown for oneNo
Full HDYesYes
Designidentical
Cooling typeActiveActive
Bracket heightFull-Height (FH)Full-Height (FH)
Form factorFull-Height/Half-Length (FH/HL)Full-Height/Half-Length (FH/HL)
Number of slots22
Product colourKnown for oneBlack, Blue
Power1 differ
Minimum system power supplyDiffers350 W400 W
Power consumption (typical)Known for one64 W
Supplementary power connectorsKnown for one1x 6-pin
System requirementsidentical
Windows operating systems supportedYesYes
Mac operating systems supportedKnown for oneNo
Linux operating systems supportedKnown for oneYes
Weight & dimensions2 differ
LengthDiffers190 mm187 mm
Depth42 mm42 mm
HeightDiffers136.8 mm129 mm
Packaging contentidentical
User guideKnown for oneYes
Other featuresidentical
HDMIYesYes
Graphics card familyKnown for oneNVIDIA
Maximum operating temperatureKnown for one98 °C
Number of processors installed11
Mac compatibilityKnown for oneNo

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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