news 28 Posted February 13, 2011 XFX HD6970 Black Edition Review The XFX HD6970 Black Edition is preoverclocked, running at 925mhz core (from 880mhz reference) and the GDDR5 memory is also increased to 1425mhz (5.7GBps effective) from 1375mhz (5.5Gbps effective) on the reference board. Read over here http://www.kitguru.net/components/graphic-cards/zardon/xfx-hd6970-black-edition-review/ Share this post Link to post