I got a gigabyte r9 390 yesterday and I decided to try overclocking for the first time for witcher 3 so I upped the power limit by 10% and upped the core clock from 1020 to 1050 and it rose from 75-76c to 80-84c at 100% gpu usage, is it safe? I want the gpu to last for at least 3 years and I dont want any damage to its lifespan or anything, should I just give up on overclocking the card or is the tempature ok?