- Jan 18, 2014
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Hi guys.
Ive been a long time fan of Anandtechs indepth reviews so this was the first place i wanted to come to to check some thing.
Usually when i have a problem i just read read read until i come to a conclusion but this one has me beat and no matter where i search or look theres no definitive answer.
Basically I have a Asus m5a99x evo r2.0 Mobo, amd 8350 fx CPU and a Kraken x40 cooler.
For years ive been using speed fan to vary the cpu fan speed on my old x6 phenom2. When i upgraded to the 8350 for video work i noticed a large increase in the cpu temp that speed fan reports. indeed when i over clock even a little bit the cpu temp routinely heads into the 60c on prime 95 torture test after 3 mins on speed fan and applying more voltage to over clock sends it into 70c after 3 minutes before i quit the test.
I re seated the processor multiple times, used different thermal pastes and got the same result each time. When reading up on this i noticed that people said that speed fan does not report the cpu temp, but the socket temp and theres wide ranging problems reading the FX series cpu temps. Indeed when i used my Phemon 2 i noticed an item in the temps list called 'CPU' yet now that item is missing and what i take as the CPU temp is taken from the Motherboard IT872F chip suggesting its not a reading coming from the CPU but from the Mobo?
I installed amd overdrive (which now uses a thermal margin, thus temp below the max) and the temps seem much more reasonable. I also assume that a company as big as AMD would not mess up the temp reading for their flagship processor in their own software so i assumed this software was more accurate.
Reading some more and installing 'core temp' software puts the temp at 42c in prime whilst speed fan reads 65c at the same time.
reading some more and installing CPUID HWMonitor gives me 2 temps. one in the motherboard section which reads the same as speed fan (65c+) and another under the CPU section called 'Package' which mirrors the coretemp programs reading and Overdrive reading (42c).
Am i correct in thinking that the 'package' temperature and temprature from core temp and temprature from overdrive is the actual real core temp and the one from the mobo is the socket temp?
If so, which one should i look to NOT take above 62c (as recommended by ever one), the package temp (overdirve, coretemp software and HW monitor) or the socket temp (speed fan)?
If so, whats the max on the socket temp?
If i experiment, will the cpu shut down automatically before it burns its self or the motherboard or do i risk warping/melting the cpu/motherboard?
Sorry for the long post but i wanted to get as much detail in as i dont want to burn the mobo or the cpu!
Ive been a long time fan of Anandtechs indepth reviews so this was the first place i wanted to come to to check some thing.
Usually when i have a problem i just read read read until i come to a conclusion but this one has me beat and no matter where i search or look theres no definitive answer.
Basically I have a Asus m5a99x evo r2.0 Mobo, amd 8350 fx CPU and a Kraken x40 cooler.
For years ive been using speed fan to vary the cpu fan speed on my old x6 phenom2. When i upgraded to the 8350 for video work i noticed a large increase in the cpu temp that speed fan reports. indeed when i over clock even a little bit the cpu temp routinely heads into the 60c on prime 95 torture test after 3 mins on speed fan and applying more voltage to over clock sends it into 70c after 3 minutes before i quit the test.
I re seated the processor multiple times, used different thermal pastes and got the same result each time. When reading up on this i noticed that people said that speed fan does not report the cpu temp, but the socket temp and theres wide ranging problems reading the FX series cpu temps. Indeed when i used my Phemon 2 i noticed an item in the temps list called 'CPU' yet now that item is missing and what i take as the CPU temp is taken from the Motherboard IT872F chip suggesting its not a reading coming from the CPU but from the Mobo?
I installed amd overdrive (which now uses a thermal margin, thus temp below the max) and the temps seem much more reasonable. I also assume that a company as big as AMD would not mess up the temp reading for their flagship processor in their own software so i assumed this software was more accurate.
Reading some more and installing 'core temp' software puts the temp at 42c in prime whilst speed fan reads 65c at the same time.
reading some more and installing CPUID HWMonitor gives me 2 temps. one in the motherboard section which reads the same as speed fan (65c+) and another under the CPU section called 'Package' which mirrors the coretemp programs reading and Overdrive reading (42c).
Am i correct in thinking that the 'package' temperature and temprature from core temp and temprature from overdrive is the actual real core temp and the one from the mobo is the socket temp?
If so, which one should i look to NOT take above 62c (as recommended by ever one), the package temp (overdirve, coretemp software and HW monitor) or the socket temp (speed fan)?
If so, whats the max on the socket temp?
If i experiment, will the cpu shut down automatically before it burns its self or the motherboard or do i risk warping/melting the cpu/motherboard?
Sorry for the long post but i wanted to get as much detail in as i dont want to burn the mobo or the cpu!