I recently upgraded to an AMD Ryzen 7 9850X3D and I'm curious about my idle temperatures. I've built my system with some solid components, including an NZXT Kraken 240 RGB liquid cooler. My previous chip was an Intel i5 13600KF, which idled at about 10 degrees cooler. I'm seeing some idle temps that seem a bit higher than expected, especially around 40-50°C in Windows. When I checked the BIOS, the temps shot up to around 60°C, which is concerning, especially with the fans running quite loudly. Would switching to a more powerful cooler like the Arctic Liquid Freezer III Pro 360 help with these temperatures?
4 Answers
Yeah, those temps sound just fine for a Ryzen. It’s typical for AMD processors to idle a bit higher because of the SOC die consuming power. If you're worried about performance under load, switching to a 360mm AIO cooler like the Arctic might help with load temps, but I wouldn't expect much of a difference in idle temps due to heat transfer from the chip itself.
Your temps seem pretty normal for Ryzen CPUs. They tend to use more wattage while idling, around 30W, which results in higher idle temps compared to Intel chips that might sit around 10-15W. So, a range of 40-50°C in Windows is what you can generally expect. BIOS temps can appear higher since they're not utilizing power-saving features effectively.
If the BIOS is sitting around 60°C, that does explain the loud fans. An upgrade to a larger cooler could help, especially during intense tasks, though it might not change much during idle.
I think your NZXT Kraken 240 is enough for this CPU, but if you're seeing such high BIOS temps, it might be worth considering a bigger cooler. Still, just to let you know, your temps look fine for idle!
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