I have Ryzen 5800x, I have NZXT Kraken X63 water cooling and ASUS ROG X470F-Gaming Mother board. In BIOS temperature on CPU is around 55-60 Celsius and in idle work mode in windows 10 without any proces and CPU load 2-10% temperature is 60-65 Celsius. In game mode CS GO for example temerature is around 72 Celsius and in stress test with Prime95 temperature goes to 91 Celsius after 5 minute test.