"384.111, 387.34 and 390.30" are the driver versions.

+100 core +200 memory
average is Aorus 730 sol/s and Zotac 720 sol/s.

+75 core +600 memory gives a similar hashrate.
Tried upping the core, found that +105 is the limit. Anymore then that and the miner will crash after a few hours.