Product comparison · 2 gpus

GIGABYTE GV-R487-512H-B graphics card GDDR5 vs HP KT979AA graphics card GDDR4

10specifications compared
2differ
8identical
11known for one product only

Key differences

Graphics card memory type
- GV-R487-512H-B graphics card GDDR5:GDDR5
- KT979AA graphics card GDDR4:GDDR4
Interface type
- GV-R487-512H-B graphics card GDDR5:PCI Express 2.0
- KT979AA graphics card GDDR4:PCI Express x16

Side by side

Differences highlightedShow differences only

Comparison of GV-R487-512H-B, KT979AA
21 specifications	A GIGABYTE GV-R487-512H-B graphics card GDDR5 Model GV-R487-512H-B View product	B HP KT979AA graphics card GDDR4 Model KT979AA View product
Processoridentical
Maximum resolution	2560 x 1600 pixels	2560 x 1600 pixels
Graphics card RAMDACKnown for one	Unknown — not stated by the source	400 MHz
Maximum digital resolutionKnown for one	Unknown — not stated by the source	2560 x 1600 pixels
Memory1 differ
Graphics card memory typeDiffers	GDDR5	GDDR4
Memory bus	256 bit	256 bit
Memory bandwidth (max)Known for one	Unknown — not stated by the source	72 GB/s
Ports & interfaces1 differ
Interface typeDiffers	PCI Express 2.0	PCI Express x16
I/O portsKnown for one	Unknown — not stated by the source	1 x DiplayPort
TV-outKnown for one	Yes	Unknown — not stated by the source
Performanceidentical
DirectX version	10.1	10.1
Shader model versionKnown for one	Unknown — not stated by the source	4.1
OpenGL version	2.1	2.1
Dual Link DVI	Yes	Yes
HDCPKnown for one	Yes	Unknown — not stated by the source
Designidentical
Cooling typeKnown for one	Unknown — not stated by the source	Active
Bracket height	Full-Height (FH)	Full-Height (FH)
Form factor	Full-Height/Full-Length (FH/FL)	Full-Height/Full-Length (FH/FL)
Other featuresidentical
Mac compatibility	No	No
Compatible operating systemsKnown for one	Unknown — not stated by the source	Genuine Windows Vista Business 32; Genuine Windows Vista Business 64; Genuine Windows XP
UNSPSC-codeKnown for one	Unknown — not stated by the source	43201401
HDMIKnown for one	Yes	Unknown — not stated by the source

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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