Hello!
I'm mining on HD 7850 (it's about 4.7 CPD).
Anyone tried to use new analog of this card - R7 260X (or another R7 series, there are no R7 in "GPUs supportes" at the first message of this topic).
Maybe you mean
R9 270 which is analog 7850 i guess
R9 270 ~ 5,4 CPD (950/1400) Downvolted to 1,0v