So this guy has another thread on reddit as well with the same OMG title.

http://www.reddit.com/r/dogemining/comments/1zmn8j/i_messed_up_messed_up_badly/

The solution to the problem is return your card!  HIS, PowerColor and Club3D brand of 7950 doesn't product 700+ hash rate.

https://www.weminecryptos.com/forum/topic/1012-can-anyone-please-help-with-my-lousy-hashrate-on-club-3d-hd7950-13-series/