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Product comparison · 2 gpus

GIGABYTE GV-R645D3-512I graphics card AMD Radeon HD6450 vs GIGABYTE GV-R677UD-1GD graphics card AMD Radeon HD6770

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  • 24specifications compared
  • 8differ
  • 16identical
  • 10known for one product only

Key differences

  • Graphics processor
    • Radeon HD6450
    • Radeon HD6770
  • Processor frequency
    • 625 MHz
    • 850 MHz
  • Discrete graphics card memory
    • 0.5 GB
    • 1 GB
  • Graphics card memory type
    • GDDR3
    • GDDR5
  • Memory bus
    • 64 bit
    • 128 bit
  • Memory clock speed
    • 1600 MHz
    • 4800 MHz
  • Minimum system power supply
    • 400 W
    • 450 W
  • Height
    • 121 mm
    • 134 mm

Side by side

Differences highlightedShow differences only
34 specifications
A

GIGABYTE

GV-R645D3-512I graphics card AMD Radeon HD6450

Model GV-R645D3-512I

View product
B

GIGABYTE

GV-R677UD-1GD graphics card AMD Radeon HD6770

Model GV-R677UD-1GD

View product
Processor2 differ
Graphics processorDiffersRadeon HD6450Radeon HD6770
Processor frequencyDiffers625 MHz850 MHz
Memory4 differ
Discrete graphics card memoryDiffers0.5 GB1 GB
Graphics card memory typeDiffersGDDR3GDDR5
Memory busDiffers64 bit128 bit
Memory clock speedDiffers1600 MHz4800 MHz
Ports & interfacesidentical
DVI-I ports quantityKnown for one2
DisplayPorts quantityKnown for one1
DVI-D ports quantityKnown for one1
VGA (D-Sub) ports quantityKnown for one1
Designidentical
Bracket heightKnown for oneFull-Height (FH)
Form factorKnown for oneFull-Height/Full-Length (FH/FL)
Power1 differ
Minimum system power supplyDiffers400 W450 W
Power consumption (typical)Known for one75 W
Weight & dimensions1 differ
LengthKnown for one222 mm
HeightDiffers121 mm134 mm
DepthKnown for one21.7 mm
Other featuresidentical
Compatible operating systemsKnown for oneWindows 7

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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