Temps and voltages in Asus AI suite and CPUID

W1981

Honorable
Jan 31, 2014
26
0
10,530
Hi,

I am overclocking an i5-4670K at 4.4GHz @ 1.21 Vcore on an Asus z87-A, cooler Hyper Evo 212 and have recently been stress testing it due to occasional BSOD's. I am relatively new to OCing.

In short the BSOD's happen under very specific conditions. For example I play WoW and occasionally open browser windows or the media player while keeping the game open in the background. Sometimes it will go like that for several hours until I switch the PC off but occasionally it will BSOD after three hours or so. I had auto reboot on so I didn't note down the error code but will attempt to if it happens again. I have read that this happens to some after the PC goes to sleep and they wake it. I could definitely say that the last time i got a BSOD it was several hours after i woke the PC from sleep, but do not remember if that was the case the previous times it BSOD'ed.

I decided to stress test with IBT and Prime95 and also upped the Vcore voltage to 1.225V (adaptive is on, because i don't want it to run full power all the time, but I have set the max turbo voltage to 1.225 with I think 1mV offset, though not sure about offset). The weird thing here is that CPUID shows temps between 98-102C during IBT and below 75C during Prime95 testing, while the Asus AI suite shows temps below 65C during Prime95 (didn't check IBT), generally around 60C and with the fans working at standard rpm. Yesterday I noticed that my Vcore in CPUID is between 1.7-1.8V (this is what my Vinput is set at in the BIOS) while CPU-Z shows 1.226 (or below because of adaptive) and the AI suite seems to range from 1.21 to 1.24V during stress testing.

Do I trust the numbers on CPUID at least for temps? I'm certain that it is way off with the voltages as it confuses my Vinput with my Vcore. This far I have done 10 passes IBT on high, 10 passes IBT on extreme (highest amount of memory) and about 5 hours blend test on Prime95, all without errors.

Is there any other decent software that will not mess up my voltage values so that I could at least trust it shows the right temps?

Thanks

Edit*: Substitue CPUID for HWmonitor, not sure why I was stuck with CPUID as the name
 

sportsfanboy

Distinguished
what is the bsod code? trust your bios setting for voltage and cpu-z to check "v-droop" Don't leave voltage on manual if you are overclocking, adjust the voltage manually.

prime 95 doesn't heat the chip as much as IBT. what are you getting for temps in core temp or real temp? 100c is wayyy tooo hot
 

W1981

Honorable
Jan 31, 2014
26
0
10,530


I haven't had a bsod yet since Sunday but will check if it happens again. Because I have left the vcore on adaptive it can drop down to about 0.8V (generally it reads 1.008V at idle). I've left one of the features enabled where the processor speed drops when the PC is idle (don't remember if it's spread spectrum or something else). So I guess the v-droop would be max about 0.4V.

I have only used HWmonitor and Asus AI suite to check temps but planning to try other software too. During IBT tests the HWmonitor was reading values in the range of 100C and during prime95 around 75C or below. Asus AI was showing 65C or lower during prime95 tests. As I said in previously, the temperature differences between Asus AI and HWmonitor at least during the prime95 tests were huge. I probs need to try core temp and real temp.

I'm also guessing that if HWmonitor is reading wrong vcore and vinput values on my system (don't know about temps yet) other users should be warned.