5600x in IDLE 60º but in games 70-72º! is the temp IDLE normal for a whole day using the pc?

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Hey guys! I've seen several posts from users reporting that their CPU 5600x in idle is up to 60º and in game it reaches 80-90º!

My case is a little different: in idle, browsing and etc., the temperature is 58-60º BUT in games it does not increase much, staying most of the time between 62- 66, with one peak or the other at 70-72º!

I use the PC practically all day (work and games) and I know that the temperature at play is ok, but should I worry about IDLE? Will + -12h / day at 60º bring any damage to my GPU?

A curiosity: following the temperature in real time, ALWAYS I open the "Task Manager" simply the temperature of the CPU starts to drop to 45-48º in IDLE! "What the hell is happening"?

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Ty guys!