What are the key differences between these GeForce 8 GPUs?
All GeForce 8 Series GPUs share a common feature set. Every GeForce 8 GPU supports DX10 and features a unified architecture, the NVIDIA Lumenex Engine, the NVIDIA Quantum Effects Technology, and PureVideo HD. In addition the GeForce 8600 and 8500 series offer a revolutionary new video processing engine. The key differentiators between the GPUs within the family are performance and price.