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Product comparison · 2 gpus

GIGABYTE GV-R645SC-1GI graphics card AMD Radeon HD6450 vs GIGABYTE GV-R677D5-1GD graphics card AMD Radeon HD6770

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  • 27specifications compared
  • 13differ
  • 14identical
  • 8known for one product only

Key differences

  • Graphics processor
    • Radeon HD6450
    • Radeon HD6770
  • Processor frequency
    • 625 MHz
    • 775 MHz
  • Graphics card memory type
    • GDDR3
    • GDDR5
  • Memory bus
    • 64 bit
    • 128 bit
  • Memory clock speed
    • 1600 MHz
    • 4000 MHz
  • DVI-D ports quantity
    • 1
    • 0
  • DVI-I ports quantity
    • 0
    • 1
  • DisplayPorts quantity
    • 0
    • 1

Side by side

Differences highlightedShow differences only
35 specifications
A

GIGABYTE

GV-R645SC-1GI graphics card AMD Radeon HD6450

Model GV-R645SC-1GI

View product
B

GIGABYTE

GV-R677D5-1GD graphics card AMD Radeon HD6770

Model GV-R677D5-1GD

View product
Processor2 differ
Graphics processorDiffersRadeon HD6450Radeon HD6770
Processor frequencyDiffers625 MHz775 MHz
Memory3 differ
Graphics card memory typeDiffersGDDR3GDDR5
Memory busDiffers64 bit128 bit
Memory clock speedDiffers1600 MHz4000 MHz
Ports & interfaces4 differ
DVI-D ports quantityDiffers10
DVI-I ports quantityDiffers01
DisplayPorts quantityDiffers01
VGA (D-Sub) ports quantityDiffers10
Design2 differ
Cooling typeDiffersPassiveActive
Form factorDiffersHalf-Height/Half-Length (HH/HL)Full-Height/Half-Length (FH/HL)
CertificationKnown for oneRoHS
Bracket heightKnown for oneFull-Height (FH)
Poweridentical
Minimum system power supplyKnown for one400 W
System requirementsidentical
Minimum system requirementsKnown for onePCI-E 2.1
Windows operating systems supportedKnown for oneWindows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64
Weight & dimensions2 differ
DepthDiffers21 mm42 mm
HeightDiffers126 mm134 mm
LengthKnown for one205 mm
Other featuresidentical
Compatible operating systemsKnown for oneWindows 7
Technical detailsidentical
Compliance certificatesKnown for oneRoHS

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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