when you say my idle temp is: 35 degrees (for example) do you get that from the BIOS or from windows? i always use core temp from windows but im wondering if you use the BIOS to get your idle temp
The bios is going to be "idle". Speedfan is roughly 15 degrees off for most users and coretemp seems to be pretty accurate for most. I know coretemp matches what my bios shows me on my rig.
Most of us I'm assuming, get the idle temperature from Coretemp. Coretemp is pretty accurate in my opinion. And it's easier that way, so you don't have to restart your computer every time, to check the idle temperature.