Temperatures on idle vary unpredictably.
Temperatures on idle vary unpredictably.
You're experiencing typical idle temperature behavior for your Ryzen 5 3600 with the stock cooler. The fluctuations between 37°C and 55°C are normal during idle, especially with the Wraith Stealth cooler. The jump from 38°C to around 54°C is also common and depends on ambient conditions. It's generally fine as long as temperatures stay within safe limits.