11.0 rx570/580 unstable on 10.2 oc settings, lowered oc, sometimes shows gpu -100hs lower, sometimes after restart 1-2of 6 gpu shows 0hs.
10.2 getting 580 1000hs and 570 820hs.
rx470 +20 710hs
"10.2 getting 580 1000hs" - wow what bios mod did you use?
Samsung Memory with uber-mix 3.1 straps @ 2000mhz can achieve that easily.
Got my Power Color Red Dragon @ 1350/2000, doing 1030h/s