Ramdac in video adapters? Ramdac speed?

[jaffa]

Just wonder what the ramdac in a video adapter does.

Also wonder if the speed of the ramdac is the same as the speed of the gpu or the adapter's memory speed..

 

[imported_Phil]

All the information you need is here:

http://en.wikipedia.org/wiki/RAMDAC

Most RAMDACs are 300-400MHz these days.