I see people getting  2.5-2.6Mhash  with 7970 and i can only get 2.34 Mhash.

Is my bat correct? I am running 7970 @ 1040/700  core/mem with the below setting

sgminer -k x13mod -o stratum+tcp:// -u -p  --gpu-reorder -d 0,1,2 -I 17  -g 4 -w 128