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Product comparison · 2 gpus

GIGABYTE GV-R645-1GI graphics card AMD Radeon HD6450 vs GIGABYTE GV-R785OC-2GD graphics card AMD Radeon HD7850

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  • 26specifications compared
  • 13differ
  • 13identical
  • 23known for one product only

Key differences

  • Graphics processor
    • Radeon HD6450
    • Radeon HD7850
  • Maximum resolution
    • 2560 x 1600 pixels
    • 4096 x 2160 pixels
  • Processor frequency
    • 625 MHz
    • 975 MHz
  • Discrete graphics card memory
    • 1 GB
    • 2 GB
  • Graphics card memory type
    • GDDR3
    • GDDR5
  • Memory bus
    • 64 bit
    • 256 bit
  • Memory clock speed
    • 1100 MHz
    • 4800 MHz
  • Interface type
    • PCI Express 2.1
    • PCI Express 3.0

Side by side

Differences highlightedShow differences only
49 specifications
A

GIGABYTE

GV-R645-1GI graphics card AMD Radeon HD6450

Model GV-R645-1GI

View product
B

GIGABYTE

GV-R785OC-2GD graphics card AMD Radeon HD7850

Model GV-R785OC-2GD

View product
Processor3 differ
Graphics processor familyAMDAMD
Graphics processorDiffersRadeon HD6450Radeon HD7850
Maximum resolutionDiffers2560 x 1600 pixels4096 x 2160 pixels
CUDAKnown for oneNo
Processor frequencyDiffers625 MHz975 MHz
Shader clockKnown for one975 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
Parallel processing technology supportKnown for one2-Way CrossFireX
Stream processorsKnown for one1024
Processor coresKnown for one1
Memory4 differ
Discrete graphics card memoryDiffers1 GB2 GB
Graphics card memory typeDiffersGDDR3GDDR5
Memory busDiffers64 bit256 bit
Memory clock speedDiffers1100 MHz4800 MHz
Ports & interfaces3 differ
Interface typeDiffersPCI Express 2.1PCI Express 3.0
HDMI ports quantity11
DVI-D ports quantityDiffers10
DVI-I ports quantityKnown for one1
DisplayPorts quantity00
HDMI versionKnown for one1.4a
DVI ports quantity11
Mini DisplayPorts quantityKnown for one2
VGA (D-Sub) ports quantityDiffers10
Performanceidentical
PhysXNoNo
TV tuner integratedNoNo
DirectX version1111
Shader model versionKnown for one5.0
OpenGL version4.14.1
HDCPKnown for oneYes
Dual Link DVIYesYes
NVIDIA 3D VisionKnown for oneNo
Full HDKnown for oneYes
Design1 differ
Cooling typeActiveActive
Bracket heightKnown for oneFull-Height (FH)
Form factorDiffersHalf-Height/Half-Length (HH/HL)Full-Height/Full-Length (FH/FL)
Number of slotsKnown for one2
CertificationKnown for oneRoHS
Power1 differ
Minimum system power supplyDiffers400 W500 W
Supplementary power connectorsKnown for one1x 6-pin
System requirementsidentical
Windows operating systems supportedKnown for oneYes
Weight & dimensions1 differ
LengthKnown for one241 mm
HeightDiffers122 mm137 mm
DepthKnown for one22 mm
Technical detailsidentical
Compliance certificatesKnown for oneRoHS
Other featuresidentical
Mac compatibilityKnown for oneNo
HDMIYesYes
Graphics card familyKnown for oneAMD, ATI

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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