Product comparison · 2 gpus

GIGABYTE GV-R645OC-1GI graphics card AMD Radeon HD6450 vs GIGABYTE GV-R675OC-1GI graphics card AMD Radeon HD6750

29specifications compared
10differ
19identical
5known for one product only

Key differences

Graphics processor
- GV-R645OC-1GI graphics card AMD Radeon HD6450:Radeon HD6450
- GV-R675OC-1GI graphics card AMD Radeon HD6750:Radeon HD6750
Processor frequency
- GV-R645OC-1GI graphics card AMD Radeon HD6450:675 MHz
- GV-R675OC-1GI graphics card AMD Radeon HD6750:740 MHz
Graphics card memory type
- GV-R645OC-1GI graphics card AMD Radeon HD6450:GDDR3
- GV-R675OC-1GI graphics card AMD Radeon HD6750:GDDR5
Memory bus
- GV-R645OC-1GI graphics card AMD Radeon HD6450:64 bit
- GV-R675OC-1GI graphics card AMD Radeon HD6750:128 bit
Memory clock speed
- GV-R645OC-1GI graphics card AMD Radeon HD6450:1600 MHz
- GV-R675OC-1GI graphics card AMD Radeon HD6750:4800 MHz
Minimum system power supply
- GV-R645OC-1GI graphics card AMD Radeon HD6450:400 W
- GV-R675OC-1GI graphics card AMD Radeon HD6750:450 W
Length
- GV-R645OC-1GI graphics card AMD Radeon HD6450:180 mm
- GV-R675OC-1GI graphics card AMD Radeon HD6750:196 mm
Depth
- GV-R645OC-1GI graphics card AMD Radeon HD6450:21.7 mm
- GV-R675OC-1GI graphics card AMD Radeon HD6750:42 mm

Side by side

Differences highlightedShow differences only

Comparison of GV-R645OC-1GI, GV-R675OC-1GI
34 specifications	A GIGABYTE GV-R645OC-1GI graphics card AMD Radeon HD6450 Model GV-R645OC-1GI View product	B GIGABYTE GV-R675OC-1GI graphics card AMD Radeon HD6750 Model GV-R675OC-1GI View product
Processor2 differ
Graphics processor family	AMD	AMD
Graphics processorDiffers	Radeon HD6450	Radeon HD6750
Maximum resolution	2560 x 1600 pixels	2560 x 1600 pixels
CUDA	No	No
Processor frequencyDiffers	675 MHz	740 MHz
Maximum analog resolution	2048 x 1536 pixels	2048 x 1536 pixels
Memory3 differ
Discrete graphics card memory	1 GB	1 GB
Graphics card memory typeDiffers	GDDR3	GDDR5
Memory busDiffers	64 bit	128 bit
Memory clock speedDiffers	1600 MHz	4800 MHz
Ports & interfacesidentical
Interface type	PCI Express 2.1	PCI Express 2.1
HDMI ports quantity	1	1
DVI-D ports quantity	1	1
DVI-I ports quantityKnown for one	Unknown — not stated by the source	1
VGA (D-Sub) ports quantity	1	1
Performanceidentical
PhysX	No	No
TV tuner integrated	No	No
DirectX version	11	11
OpenGL version	4.1	4.1
Dual Link DVI	Yes	Yes
HDCPKnown for one	Yes	Unknown — not stated by the source
Full HDKnown for one	Yes	Unknown — not stated by the source
Design1 differ
Cooling type	Active	Active
Bracket heightKnown for one	Unknown — not stated by the source	Full-Height (FH)
Form factorDiffers	Half-Height/Half-Length (HH/HL)	Full-Height/Half-Length (FH/HL)
Certification	RoHS	RoHS
Power1 differ
Minimum system power supplyDiffers	400 W	450 W
Power consumption (typical)Known for one	Unknown — not stated by the source	75 W
Weight & dimensions3 differ
LengthDiffers	180 mm	196 mm
DepthDiffers	21.7 mm	42 mm
HeightDiffers	121 mm	127 mm
Other featuresidentical
Mac compatibility	No	No
HDMI	Yes	Yes
Compatible operating systems	Windows 7	Windows 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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