I use Speedfan myself, but the 20 degree difference is likely due to one program using the socket sensor and the other using the one that's built into the cpu.

FinalWire has added preliminary support for Intel's Nova Lake and Diamond Rapids Xeon processors in the latest beta release of AIDA64—months or years before the CPUs hit shelves. This means that ...

One of the first things you get to learn about computers is that any amount of processing produces some amount of heat as a byproduct. It's not unusual for even a well-cooled computer processor to ...