GIGABYTE GV-R577UD-1GD graphics card AMD vs GIGABYTE Radeon HD 5770

Comparison of GV-R577UD-1GD, Radeon HD 5770

26 specifications	A GIGABYTE GV-R577UD-1GD graphics card AMD Model GV-R577UD-1GD View product	B GIGABYTE Radeon HD 5770View product
Processoridentical
Graphics processor family	AMD	AMD
Maximum resolution	2560 x 1600 pixels	2560 x 1600 pixels
Processor frequency	850 MHz	850 MHz
Stream processors	800	800
Memoryidentical
Discrete graphics card memory	1 GB	1 GB
Graphics card memory type	GDDR5	GDDR5
Memory bus	128 bit	128 bit
Memory clock speed	4800 MHz	4800 MHz
Ports & interfacesidentical
Interface type	PCI Express 2.0	PCI Express 2.0
HDMI ports quantity	1	1
DVI-I ports quantity	2	2
DVI ports quantity	2	2
VGA (D-Sub) ports quantityKnown for one	1	—Unknown — not stated by the source
Performanceidentical
DirectX version	11	11
Shader model version	5.0	5.0
OpenGL version	3.1	3.1
HDCPKnown for one	—Unknown — not stated by the source	Yes
Dual Link DVI	Yes	Yes
Video formats supportedKnown for one	—Unknown — not stated by the source	H.264
Designidentical
Cooling type	Active	Active
Bracket height	Full-Height (FH)	Full-Height (FH)
Form factor	Full-Height/Full-Length (FH/FL)	Full-Height/Full-Length (FH/FL)
Certification	RoHS	RoHS
Other featuresidentical
Mac compatibility	No	No
HDMI	Yes	Yes
Compatible operating systems	Windows 7/Vista	Windows 7/Vista

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.