I tried the crimson drivers once, 1,5 month ago but I had artifact playing ("Counter strike Global offensive", I don't play anything else).
I retried with the last drivers this week and still the same problem, I have little artifact every minutes (less or more).
It was "stable" with these drivers : http://i.imgur.com/hBPSfsp.png while playing CS:GO but once per week (+/-) my screen is full of artifact and the resolution is f****d up (usually it's happening when i'm not playing), I have to reboot and it's fine.
Can someone help ? It's, imo, from drivers since I have no artifact on cs go with the old drivers.
My card is a "Sapphire r9 Fury X".