Some More Details on R520 RV130 & RV15 and "512bit
Posted: Sat Sep 10, 2005 4:55 pm
http://www.anandtech.com/video/showdoc.aspx?i=2527

ATI just needs to release this thing already!!!!!The memory subsystem is still connected by a more typical 256-bit memory bus, and the 512-bit ring bus is something else. We'll have to wait for actual cards and benchmarks before we can really discover how the card performs.
