I can confirm that I am getting about 100 less hash/s on CN7 using the SRB Miner 1.6.2 instead of 1.6.1.
thanks. nobody believes me 
still using 1.6.1 because of thatWho said nobody believes you ?
Which gpu's are we talking about? Rx550 or Rx580 ?
still using 1.6.1 because of that