Quote Originally Posted by zalbard View Post
Too heavy underclocking it seems. Not enough processing power left, especially for those Vista / Win7 effects.
But my 5850 sits in low power 3d all the time with dual monitors instead of 2d, and then jumps back and forth to full power 3d, which produces flickering. It seems nV have solved this with the GTX480 by just having it run at 3d mem clocks all the time, hence the 90C idle temps on one of the reviews.