I have rx480, from today, its temp. rises to 194f in passive. I just start pc, and its about 112f, then open Google chrome, and after 5 min - its 194f.. ***.. and cooler work like its 112f..
I`ve uninstalled graphic drivers by latest DDU. Then install newest Crimson Relive 17.4.3. And it doesn't work.
I`ve scaned my pc on viruses, or miners - and there`s nothing.
Now I use msi afterburner, for manual cooling this rx480. - and its pretty loud=(