I can't really tell you for sure, but by simply looking at the specs going with the 6870 should be at the absolute minimum 50% increase in performance.
800 to 1120 Shaders, double ROPs, double mem bandwidth just to name a few.
I can't really tell you for sure, but by simply looking at the specs going with the 6870 should be at the absolute minimum 50% increase in performance.
800 to 1120 Shaders, double ROPs, double mem bandwidth just to name a few.