Use MSI 1080ti Armor miner z-enemy ver. 1.12t2  TDP 60%, +100 core, -500 mem, intensity 20 and 0.931 mV - ~1885 MHz with Afterburner curve lock. So I have ~6.4 Mh with power drain like Lyra2z. I think this is best choice now (better then GIN mining).