CPU temperature

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   My BIOS revision is v1.7. Motherboard is Z170 Gaming-ITX. CPU is 6700k

In the BIOS, my CPU temp is 40-45C. When I use software (hwinfo or RealTemp), it says my temperature is 25C.

Which is correct? Even with BIOS v1.0, the CPU temps were around ~40

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x6phenom Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 27 Jan 2016 Status: Offline Points: 38	Post Options Post Reply Quote x6phenom Report Post Thanks(0) Quote Reply Topic: CPU temperature Posted: 27 Jan 2016 at 8:58pm
	My BIOS revision is v1.7. Motherboard is Z170 Gaming-ITX. CPU is 6700k In the BIOS, my CPU temp is 40-45C. When I use software (hwinfo or RealTemp), it says my temperature is 25C. Which is correct? Even with BIOS v1.0, the CPU temps were around ~40

Xaltar Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 16 May 2015 Location: Europe Status: Online Points: 26933	Post Options Post Reply Quote Xaltar Report Post Thanks(0) Quote Reply Posted: 27 Jan 2016 at 9:45pm
	That is normal, both temps are accurate. When in the BIOS the CPU is loaded more so than it is at idle in windows which results in higher temps in BIOS. I have observed this behavior in a number of motherboards. There is nothing to be concerned about

x6phenom Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 27 Jan 2016 Status: Offline Points: 38	Post Options Post Reply Quote x6phenom Report Post Thanks(0) Quote Reply Posted: 27 Jan 2016 at 11:43pm
	okay, ive also noticed my CPU jumps to 70C in a split second when running Prime95 small FFT not used to that lol :D thanks!

Xaltar Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 16 May 2015 Location: Europe Status: Online Points: 26933	Post Options Post Reply Quote Xaltar Report Post Thanks(0) Quote Reply Posted: 28 Jan 2016 at 12:57am
	Yeah that is normal too, it freaked me out the first time I saw that on my Haswell system. It is due to the small manufacture process, the smaller the process the faster the heat spike under load. What is important is that it does not spike too high and that it goes down again.