I just built my first PC with a Ryzen 5 9600X on a GIGABYTE B650 GAMING X AX V2 motherboard. I'm using an ID Cooling A620 PRO SE ARGB cooler in a Chieftec Night Hunter case. When I applied thermal paste to the CPU, it seemed a bit dry compared to the installation videos I watched. My idle CPU temperatures hover around 47-50°C. I've undervolted it and set power limits, so it runs at 1.2V max during benchmarks with temperatures around 70°C. While gaming, the CPU usually stays between 60-65°C. Is it normal for these CPUs to have such high idle temperatures, or should I consider reapplying the cooler with Kryonaut thermal paste?
3 Answers
Nah, those idle temps aren't too concerning. Ryzen chips, especially the newer models, can idle a bit warmer sometimes due to how they manage boosting and power states. Your 60-65°C while gaming and 70°C during benchmarks are actually solid numbers, so it sounds like your cooler is doing its job well. Just the idling part seems a bit on the higher side but nothing to really freak out about.
I think your temps are okay! CPUs rarely are at a true idle, and even things like downloading games can spike the usage. Plus, a lot of modern coolers don’t kick in until they're over 55°C, so it's nothing to worry about. Your gaming and benchmark numbers look good!
Honestly, idle temps can vary a lot between CPUs. 47-50°C might be a bit high, but it's not alarmingly so for a Ryzen 5 9600X. If you’re concerned, you could try reapplying thermal paste, but if your gaming temps are good, it might not be necessary.
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