Getting around around 290/300 kh/s with 7950 sapphire dualx with boost 3GB No HWs
-I 13 -w 256 --thread-concurrency 8192 --gpu-powertune 20 --gpu-engine 1100 --gpu-memclock 1500 1.187V VGPU
have same card, can't get more than 8-10 K what am I doing wrong, using underclocking, can usually get 630Khash with normal script