Product comparison · 2 gpus

HP GR521ET graphics card GDDR2 vs HP KD506ET graphics card GDDR3

Key differences

Graphics card memory type
- GR521ET graphics card GDDR2:GDDR2
- KD506ET graphics card GDDR3:GDDR3
Memory bus
- GR521ET graphics card GDDR2:128 bit
- KD506ET graphics card GDDR3:256 bit

Differences highlightedShow differences only

Comparison of GR521ET, KD506ET
15 specifications	A HP GR521ET graphics card GDDR2 Model GR521ET View product	B HP KD506ET graphics card GDDR3 Model KD506ET View product
Processoridentical
Maximum resolution	2560 x 1600 pixels	2560 x 1600 pixels
Memory2 differ
Graphics card memory typeDiffers	GDDR2	GDDR3
Memory busDiffers	128 bit	256 bit
Memory bandwidth (max)Known for one	Unknown — not stated by the source	51.2 GB/s
Memory clock speedKnown for one	400 MHz	Unknown — not stated by the source
Ports & interfacesidentical
Interface type	PCI Express x16	PCI Express x16
DVI-I ports quantity	2	2
Performanceidentical
DirectX version	10.0	10.0
Shader model versionKnown for one	Unknown — not stated by the source	4.0
OpenGL version	2.1	2.1
Designidentical
Cooling type	Active	Active
Weight & dimensionsidentical
WeightKnown for one	Unknown — not stated by the source	1.32 kg
LengthKnown for one	Unknown — not stated by the source	419.1 mm
HeightKnown for one	Unknown — not stated by the source	187.5 mm
Other featuresidentical
Mac compatibility	No	No

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.