Product comparison · 2 gpus

HP KT979AA graphics card GDDR4 vs MSI V803-277R graphics card GDDR5

8specifications compared
2differ
6identical
15known for one product only

Key differences

Graphics card memory type
- KT979AA graphics card GDDR4:GDDR4
- V803-277R graphics card GDDR5:GDDR5
Interface type
- KT979AA graphics card GDDR4:PCI Express x16
- V803-277R graphics card GDDR5:PCI Express 2.0

Side by side

Differences highlightedShow differences only

Comparison of KT979AA, V803-277R
23 specifications	A HP KT979AA graphics card GDDR4 Model KT979AA View product	B MSI V803-277R graphics card GDDR5 Model V803-277R View product
Processoridentical
Maximum resolution	2560 x 1600 pixels	2560 x 1600 pixels
Graphics card RAMDACKnown for one	400 MHz	Unknown — not stated by the source
Maximum digital resolutionKnown for one	2560 x 1600 pixels	Unknown — not stated by the source
Memory1 differ
Graphics card memory typeDiffers	GDDR4	GDDR5
Memory bus	256 bit	256 bit
Memory bandwidth (max)Known for one	72 GB/s	Unknown — not stated by the source
Memory clock speedKnown for one	Unknown — not stated by the source	2000 MHz
Ports & interfaces1 differ
Interface typeDiffers	PCI Express x16	PCI Express 2.0
I/O portsKnown for one	1 x DiplayPort	Unknown — not stated by the source
DVI-I ports quantityKnown for one	Unknown — not stated by the source	2
DVI ports quantityKnown for one	Unknown — not stated by the source	2
TV-outKnown for one	Unknown — not stated by the source	Yes
Performanceidentical
DirectX version	10.1	10.1
Shader model versionKnown for one	4.1	Unknown — not stated by the source
OpenGL versionKnown for one	2.1	Unknown — not stated by the source
Dual Link DVI	Yes	Yes
HDCPKnown for one	Unknown — not stated by the source	Yes
Designidentical
Cooling type	Active	Active
Bracket heightKnown for one	Full-Height (FH)	Unknown — not stated by the source
Form factorKnown for one	Full-Height/Full-Length (FH/FL)	Unknown — not stated by the source
Other featuresidentical
Mac compatibility	No	No
Compatible operating systemsKnown for one	Genuine Windows Vista Business 32; Genuine Windows Vista Business 64; Genuine Windows XP	Unknown — not stated by the source
UNSPSC-codeKnown for one	43201401	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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