This could be very possible, as RV870 is said to have twice the computing power than RV770. AMD will use GDDR5 memory on their top cards, which runs faster than 1.25GHz, so the maximum memory bandwidth should reach 240GB/s.
ATI RV870 to have 384-bit memory bus?
Posted on Friday, August 14 2009 @ 23:35 CEST by Thomas De Maesschalck