Product comparison · 2 gpus

HP KS505AA graphics card AMD Radeon HD3650 vs HP KT979AA graphics card GDDR4

8specifications compared
3differ
5identical
23known for one product only

Key differences

Graphics card memory type
- KS505AA graphics card AMD Radeon HD3650:GDDR2
- KT979AA graphics card GDDR4:GDDR4
Memory bus
- KS505AA graphics card AMD Radeon HD3650:128 bit
- KT979AA graphics card GDDR4:256 bit
DirectX version
- KS505AA graphics card AMD Radeon HD3650:10.0
- KT979AA graphics card GDDR4:10.1

Side by side

Differences highlightedShow differences only

Comparison of KS505AA, KT979AA
31 specifications	A HP KS505AA graphics card AMD Radeon HD3650 Model KS505AA View product	B HP KT979AA graphics card GDDR4 Model KT979AA View product
Processoridentical
Graphics processor familyKnown for one	AMD	Unknown — not stated by the source
Graphics processorKnown for one	Radeon HD3650	Unknown — not stated by the source
Maximum resolution	2560 x 1600 pixels	2560 x 1600 pixels
Graphics card RAMDAC	400 MHz	400 MHz
Maximum digital resolutionKnown for one	Unknown — not stated by the source	2560 x 1600 pixels
Memory2 differ
Discrete graphics card memoryKnown for one	0.5 GB	Unknown — not stated by the source
Graphics card memory typeDiffers	GDDR2	GDDR4
Memory busDiffers	128 bit	256 bit
Memory bandwidth (max)Known for one	Unknown — not stated by the source	72 GB/s
Ports & interfacesidentical
Interface type	PCI Express x16	PCI Express x16
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
DVI-D ports quantityKnown for one	0	Unknown — not stated by the source
DVI-I ports quantityKnown for one	1	Unknown — not stated by the source
DisplayPorts quantityKnown for one	2	Unknown — not stated by the source
VGA (D-Sub) ports quantityKnown for one	0	Unknown — not stated by the source
I/O portsKnown for one	Unknown — not stated by the source	1 x DiplayPort
Performance1 differ
PhysXKnown for one	No	Unknown — not stated by the source
TV tuner integratedKnown for one	No	Unknown — not stated by the source
DirectX versionDiffers	10.0	10.1
Dual Link DVI	Yes	Yes
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
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)
Weight & dimensionsidentical
WeightKnown for one	590 g	Unknown — not stated by the source
LengthKnown for one	241.3 mm	Unknown — not stated by the source
HeightKnown for one	190.5 mm	Unknown — not stated by the source
Other featuresidentical
Mac compatibilityKnown for one	Unknown — not stated by the source	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

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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