I'm getting ~638kH/s with 22400 1050/1450 1.025v I18 (MSI set to 1025) but it runs at 77-80 at 85% Fan. I've tried everything that I can think of to still keep the high hash rate but lower temps.
I can't do I20 my gpu doesn't like it, 18 is my max.
Is your miner in a computer case or open?