Product comparison · 2 gpus

GIGABYTE GV-R545OC-512I graphics card AMD GDDR3 vs GIGABYTE GV-R587UD-1GD graphics card AMD

Key differences

Processor frequency
- GV-R545OC-512I graphics card AMD GDDR3:700 MHz
- GV-R587UD-1GD graphics card AMD:850 MHz
Graphics card memory type
- GV-R545OC-512I graphics card AMD GDDR3:GDDR3
- GV-R587UD-1GD graphics card AMD:GDDR5
Memory bus
- GV-R545OC-512I graphics card AMD GDDR3:64 bit
- GV-R587UD-1GD graphics card AMD:256 bit
Memory clock speed
- GV-R545OC-512I graphics card AMD GDDR3:1600 MHz
- GV-R587UD-1GD graphics card AMD:4800 MHz

Differences highlightedShow differences only

Comparison of GV-R545OC-512I, GV-R587UD-1GD
18 specifications	A GIGABYTE GV-R545OC-512I graphics card AMD GDDR3 Model GV-R545OC-512I View product	B GIGABYTE GV-R587UD-1GD graphics card AMD Model GV-R587UD-1GD View product
Processor1 differ
Graphics processor family	AMD	AMD
Maximum resolution	2048 x 1536 pixels	2048 x 1536 pixels
Processor frequencyDiffers	700 MHz	850 MHz
Stream processorsKnown for one	800	Unknown — not stated by the source
Memory3 differ
Graphics card memory typeDiffers	GDDR3	GDDR5
Memory busDiffers	64 bit	256 bit
Memory clock speedDiffers	1600 MHz	4800 MHz
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	1 GB
Ports & interfacesidentical
Interface type	PCI Express 2.1	PCI Express 2.1
HDMI ports quantityKnown for one	1	Unknown — not stated by the source
DVI-I ports quantity	1	1
VGA (D-Sub) ports quantity	1	1
Performanceidentical
DirectX version	11	11
OpenGL version	3.1	3.1
HDCP	Yes	Yes
Dual Link DVIKnown for one	Unknown — not stated by the source	Yes
Designidentical
Cooling type	Active	Active
Other featuresidentical
Mac compatibility	No	No

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.