Including pics of global graphics & overdrive settings may also help, and exact model of psu.
I HAVE THE SAME BUG IN GAMES:GTA V, BATTLEFIELD 1, THE WITCHER 3,2, RISE OF THE TOMB RAIDER.
YES I NAME IT AS A BUG, THIS IS NOT NORMAL.
I THINK IF I TRY ANY OTHER GAME I WILL FACE THE SAME BUG.
DO ANY OTHER RX480 USER HAVE THIS BUG?
AMD PLEASE CONFIRM THAT YOU ARE AWARE OF THIS BUG.