RivaTuner creator airs some scepticism surrounding some of the comments made by NVIDIA's David Kirk. He explains how the VGA BIOS proves to be the simplest way to verify the number of programmable clock domains inside a GPU.

Over the last couple of days there have been queries about whether or not GeForce 7800 operates at multiple clock speeds. We talk to Nvidia's Chief Scientist, David Kirk, to clear up the issue.