v9.5
Why does it work so bad with 280x cards?
rx470 - 100% load
390 - 100% load
380 - 100% load
280x - ~64% load !
1. Make sure you use Catalyst 15.12.
2. Try different "-a" option values.
Tried all that ofc. Always exactly 64% gpu usage. Also tried other miner.. Exactly 64% usage.