Ryzen 5000 series SOC voltage (Tip)
I've noticed that my SOC power was quite high; peaking to 30w for a 5950x. In idle state the thing would be constant at 65 to 70 degrees. I had no clue what was going on, but it seems that the motherboard when selecting XMP, is raising the voltages for SOC to a unusual and quite high 1.175v - i've lowered this to now 1V, perfectly stable at at most 18 watts when busy, idle 15. Temps below 45 now and in load at max 75W at 144W. cores do boost more or longer consistent.
So if you have a unusual high idle temp, check your SOC power consumption. It should be around, 15W and not 25+ which often is caused by a higher SOC voltage because you selected, XMP.