Confirm 18.2.1 WHQL works with Vega FE in gaming mode.
I know this option is for keeping the GPU clock up during a game, but the fact is when the Power Efficiency is off, the screen corruption/black...
R9 Fury is plagued with screen corruption or black screen problem for long. AFAIK that's why the crimson driver introduced the "power efficiency"...
HDMI screen corruption or occasionally black screen are back with 16.4, back to 16.3.2.
Wolfenstein New order runs at a low core clock around 500Mhz and so fps is terrible. ClockBlock can fix the issue though.
The video setting is missing a lot of options.
HEVC under Windows 10 has gone missing again, it was back in the 15.11 driver package after...
Fury non-x with official 15.11 Beta.
HVEC (main) is back in Windows 10. With the latest LAV Filters 0.66, MPC can now hardware accelerate 4K H264/HVEC movies. :)
HVEC (main) is missing from DXVA Checker in Windows 10.
Try to disable AMD Audio driver in device manager (I guess you're not using them). The AMD Audio driver also slows down the windows sound dialog.