Product comparison · 2 gpus

GIGABYTE GV-R477D5-512H-B graphics card GDDR5 vs GIGABYTE GV-R489-1GH-B graphics card Radeon HD4890

Key differences

Processor frequency
- GV-R477D5-512H-B graphics card GDDR5:750 MHz
- GV-R489-1GH-B graphics card Radeon HD4890:850 MHz
Memory bus
- GV-R477D5-512H-B graphics card GDDR5:128 bit
- GV-R489-1GH-B graphics card Radeon HD4890:256 bit
Memory clock speed
- GV-R477D5-512H-B graphics card GDDR5:3200 MHz
- GV-R489-1GH-B graphics card Radeon HD4890:3900 MHz
DVI-I ports quantity
- GV-R477D5-512H-B graphics card GDDR5:1
- GV-R489-1GH-B graphics card Radeon HD4890:2
VGA (D-Sub) ports quantity
- GV-R477D5-512H-B graphics card GDDR5:1
- GV-R489-1GH-B graphics card Radeon HD4890:0

Differences highlightedShow differences only

Comparison of GV-R477D5-512H-B, GV-R489-1GH-B
29 specifications	A GIGABYTE GV-R477D5-512H-B graphics card GDDR5 Model GV-R477D5-512H-B View product	B GIGABYTE GV-R489-1GH-B graphics card Radeon HD4890 Model GV-R489-1GH-B View product
Processor1 differ
Graphics processorKnown for one	Unknown — not stated by the source	Radeon HD4890
Processor frequencyDiffers	750 MHz	850 MHz
Memory2 differ
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	1 GB
Memory busDiffers	128 bit	256 bit
Memory clock speedDiffers	3200 MHz	3900 MHz
Ports & interfaces2 differ
HDMI ports quantityKnown for one	Unknown — not stated by the source	0
DVI-D ports quantityKnown for one	Unknown — not stated by the source	0
DVI-I ports quantityDiffers	1	2
DisplayPorts quantityKnown for one	Unknown — not stated by the source	0
DVI ports quantityKnown for one	Unknown — not stated by the source	2
VGA (D-Sub) ports quantityDiffers	1	0
Performanceidentical
PhysXKnown for one	Unknown — not stated by the source	No
TV tuner integratedKnown for one	Unknown — not stated by the source	No
Shader model versionKnown for one	Unknown — not stated by the source	4.1
OpenGL versionKnown for one	Unknown — not stated by the source	2.1
Dual Link DVIKnown for one	Unknown — not stated by the source	Yes
Designidentical
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)
Technical detailsidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS

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.