Product comparison · 2 gpus

GIGABYTE R455OGI graphics card AMD Radeon HD4550 vs GIGABYTE R587UGD graphics card AMD Radeon HD5870

Key differences

Graphics processor
- R455OGI graphics card AMD Radeon HD4550:Radeon HD4550
- R587UGD graphics card AMD Radeon HD5870:Radeon HD5870
Processor frequency
- R455OGI graphics card AMD Radeon HD4550:650 MHz
- R587UGD graphics card AMD Radeon HD5870:850 MHz
Graphics card memory type
- R455OGI graphics card AMD Radeon HD4550:GDDR3
- R587UGD graphics card AMD Radeon HD5870:GDDR5
Memory bus
- R455OGI graphics card AMD Radeon HD4550:64 bit
- R587UGD graphics card AMD Radeon HD5870:256 bit
Memory clock speed
- R455OGI graphics card AMD Radeon HD4550:1600 MHz
- R587UGD graphics card AMD Radeon HD5870:4800 MHz
Interface type
- R455OGI graphics card AMD Radeon HD4550:PCI Express 2.0
- R587UGD graphics card AMD Radeon HD5870:PCI Express 2.1
DirectX version
- R455OGI graphics card AMD Radeon HD4550:10.1
- R587UGD graphics card AMD Radeon HD5870:11
Shader model version
- R455OGI graphics card AMD Radeon HD4550:4.1
- R587UGD graphics card AMD Radeon HD5870:5.0

Differences highlightedShow differences only

Comparison of R455OGI, R587UGD
27 specifications	A GIGABYTE R455OGI graphics card AMD Radeon HD4550 Model R455OGI View product	B GIGABYTE R587UGD graphics card AMD Radeon HD5870 Model R587UGD View product
Processor2 differ
Graphics processor family	AMD	AMD
Graphics processorDiffers	Radeon HD4550	Radeon HD5870
Maximum resolution	2048 x 1536 pixels	2048 x 1536 pixels
Processor frequencyDiffers	650 MHz	850 MHz
Memory3 differ
Discrete graphics card memory	1 GB	1 GB
Graphics card memory typeDiffers	GDDR3	GDDR5
Memory busDiffers	64 bit	256 bit
Memory clock speedDiffers	1600 MHz	4800 MHz
Ports & interfaces1 differ
Interface typeDiffers	PCI Express 2.0	PCI Express 2.1
HDMI ports quantity	1	1
DVI-I ports quantity	1	1
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
DVI ports quantity	1	1
VGA (D-Sub) ports quantity	1	1
Performance3 differ
PhysX	No	No
TV tuner integrated	No	No
DirectX versionDiffers	10.1	11
Shader model versionDiffers	4.1	5.0
OpenGL versionDiffers	2.1	3.1
HDCP	Yes	Yes
Designidentical
Cooling type	Active	Active
Bracket heightKnown for one	Unknown — not stated by the source	Full-Height (FH)
Form factorKnown for one	Unknown — not stated by the source	Full-Height/Full-Length (FH/FL)
Certification	RoHS	RoHS
System requirements1 differ
Windows operating systems supportedDiffers	Windows 7 Home Premium, Windows Vista Home Basic, Windows XP Home	Windows 7 Home Premium, Windows Vista Home Basic
Other featuresidentical
Mac compatibility	No	No
HDMI	Yes	Yes

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.