Personally, I find HWiNFO to be the best option ... and it's also good for checking stability. How to check your CPU ...

There can be many reasons why your CPU might have sudden temperature spikes and dips. This will explain the reasons, and then share how you can fix it: Mind you, the BIOS/UEFI settings for each PC ...

If your CPU goes over a certain temperature, it will start throttling performance in an effort to reduce excess heat. If your internal components get too hot for too long, it can decrease the ...