I just got my ryzen 5 2600x 3 days ago. I'm not sure if these cpu temperatures are safe or not .On idle its between 38-44°C
, under load it changes between 66 -76 °C. My mobo : msi b450m pro 2
Also , i disabled the cpu boost on bios menu in order to lower temperature because it sets the core voltage to 1.4 .