my rx550 only doing 830kh/s what went wrong?
Probably not using --opencl-kernel 4, lowered core clock, lowered mem clocks or bad timings.
i use:
--opencl-kernel 4, opencl-launch=1912x64
and my gpu 1200mhz, 1100mv. mem 2000mhz, 850 mv. power target : 0%