I am here because of the same reason. Also I have posted earlier about this same problem. I crash in overwatch, titanfall 2 and world of Warcraft. Anyway my question is what should I use to tweak the setting of the gpu, amd wattman or asus gpu tweak/ msi afterburner?
It would help to know more about your system such as OS, Motherboard, video driver version, etc.
Are you getting any error codes or BSOD? Have you tested the power supply?
What video card were you using before the RX480?
It's a lot of questions but your problem could be caused by a lot of different reasons.
So originally I thought it was the psu I got a brand new one today same issue occered at the same time there are no errors i don't even think Windows knows its a crash i will give you more details on drivers shortly