I have a Sapphire RX480 , Windows 10 64bit with latest updates
After the new Driver 17.12.1 ( and also 17.12.2) i recognized that my GPU Usage stays at 100% sometimes ,
GPU Clock also stays at full speed, only RAM Clock goes to Idle at 300Mhz .
It happens not all the time, so i was checking constantly when the Problem occurs.
I found out, that it happens always after watching a Youtube Video(Firefox 57.0.2 64bit), when i start a Video, GPU Usage(Activity) and GPU Clock goes up to 100% , and stays there even when i close the Video after a short Time, only RAM goes back from 2000 to 300 MHZ.
When i Reset the Driver or "Log off and in" Windows everything is working normal again
I want to know is this a Problem from AMD or Youtube(or Firefox)?
Or maybe only on my PC, are there others which have the same Problem?