MSI R9 390 1100/1500/def volatge get only 250 H/s with V9.
On V8 it was 270-280
Win7 64bit
15.12
How did you manage to get 300+ with R9 390?
Best regards
my rig is with 5 Sapphire R9 390 nitro
win10 pro -cclock 1090 -mclock 1500 voltage MSI afterburner -12 video driver 16.6
295 h/s Total 1480 h/s