temperature monitoring

I really don't understand it. I changed my thermal paste over and over to check if it changes a little bit but it never changes. I was checking it for like 6 months and its always 49.0 Celsius. Why is it like that? I don't think its supposed to be that much different. My cpu is AMD A10 7890K

So my MOBO is a gigabyte 970a-ud3p (v1.0) is not the (v2.0) and for what I can asume temp 1 is system temperature because always stays really steady and reports basically my ambient temperature within +2 to +4 °C and I don't even know where the sensor is but I don't care that much about it, but...

Hi everyone. I need help... I am confused with different readings from monitoring my CPU temp. I tried to find an answer in various forums but only got more confused, can someone explain in a simple way the difference in the following please ? HWINFO64 gives me these readings. (Section) CPU...