Quote Originally Posted by InCredible
maybe I'm use to amd but the voltage doesn't seem that much..on my 6950 I went up to 1.35v on air water id try 1.4 ..thats close to the same difference in percentage..idk maybe that is unrealistic?
you can't compare volts like that. you're comparing apples to oranges. the "why" is an electrical engineering degree or at least high school physics, but suffice it to say that even though the 590 uses less volts than 6990, it still uses more power.