Do anyone have same problem like my Radeon 390x - it is beginning mine with speed of 400H/s and after 1 hour it is just 250H/s...
Catalist 15.12
My Radeon 390x get --» 501 H/s in Overclock
My Radeon 480 Nitro+ get --» 375 H/s in Overclock
Windows 10 64 bits and Catalist 16.12.2