Product comparison · 2 gpus

HP KT979AA graphics card GDDR4 vs MSI V801-493R graphics card GeForce GTX 280

9specifications compared
5differ
4identical
18known for one product only

Key differences

Graphics card memory type
- KT979AA graphics card GDDR4:GDDR4
- V801-493R graphics card GeForce GTX 280:GDDR3
Memory bus
- KT979AA graphics card GDDR4:256 bit
- V801-493R graphics card GeForce GTX 280:512 bit
Interface type
- KT979AA graphics card GDDR4:PCI Express x16
- V801-493R graphics card GeForce GTX 280:PCI Express 2.0
DirectX version
- KT979AA graphics card GDDR4:10.1
- V801-493R graphics card GeForce GTX 280:10.0
OpenGL version
- KT979AA graphics card GDDR4:2.1
- V801-493R graphics card GeForce GTX 280:2.0

Side by side

Differences highlightedShow differences only

Comparison of KT979AA, V801-493R
27 specifications	A HP KT979AA graphics card GDDR4 Model KT979AA View product	B MSI V801-493R graphics card GeForce GTX 280 Model V801-493R 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
Graphics processorKnown for one	Unknown — not stated by the source	GeForce GTX 280
Processor frequencyKnown for one	Unknown — not stated by the source	700 MHz
Memory2 differ
Graphics card memory typeDiffers	GDDR4	GDDR3
Memory busDiffers	256 bit	512 bit
Memory bandwidth (max)Known for one	72 GB/s	Unknown — not stated by the source
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	1 GB
Memory clock speedKnown for one	Unknown — not stated by the source	2300 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
VGA (D-Sub) ports quantityKnown for one	Unknown — not stated by the source	2
Performance2 differ
DirectX versionDiffers	10.1	10.0
Shader model versionKnown for one	4.1	Unknown — not stated by the source
OpenGL versionDiffers	2.1	2.0
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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