Originally Posted by Dragonlich

Yep, I was surprised too when I saw the difference. It's really silly, considering there's not much to show for it - the speeds are generally the same, they just run a lot hotter. And they're really loud too, especially the new socket 775 processors - those coolers ramp up to hurricane speeds and sound levels.

That's the main reason I still sell people the older 478 processors if they want a quiet system; at least there's a choice in coolers. In time that'll happen to the new socket, but until then, I won't recommend them...