i5-8400 - Asus B360M-A Temperature tests


  1. Posts : 48
    Linux mint 19.2
       #1

    i5-8400 - Asus B360M-A Temperature tests


    HEllo again !

    This morning was heat testing time for my processor, to see if everything cools fine.. so I tried a couple of things to stress the processor.

    First of all, I use the stock Intel heat sink and fan that came with the i5-8400 and on the Intel page, it's written that the processor can go as high at TJUNCTION 100c.

    I read a couple of threads about CPU temperature but it's still not clear for me, what would be the safest temperature spot to be at full power and if the processor will really manage the heat by slowing down on purpose to protect itself against over heating.

    FIRST TEST: Linux "Stress" application.

    I ran that one for 20, 30, 45 and 60 seconds. It will push all the 6 cores at 100% and the CPU fan will rev at maximum speed, the temperature will reach close to 100 celcius for almost all the cores the others will be at around 97, the computer won't shut down.

    I think the CPU is slowing itself to remain around 97, 96 Celsius but I am not sure.

    Then I tried an application called HandBrake to rip and encode an entire DVD. That test was a bit different, only 3 or 4 cores were used and the top maximum power for these cores was around 80%. The temperature of all the 6 cores was around 97 and 100 celcius again, for about 10 minutes or so, the time it took to encode the entire DVD.

    I checked the turbo boost speed and the cores frequency were variable but all equal at around 3100mhz and 3600 mhz, which looks normal.

    It appears to me that the processor is not allowing temperature or the cores to exceed 100 Celsius, but at the same time, according to what I have read, it could be too high... so it's confusing a bit.

    I've looked at the thermal paste, everything looks normal, I had to wipe off 1/8" of it at the top border of the CPU to prevent it to eventually run under the CPU.. but apart from that, the paste looked ok as well as the amount used (It came attached to the heat sink, it's was factory paste installation on the heat sink.)

    The fan is well attached to the motherboard, the computer won't shut down and the idle temperature of the processor always drops to something around 30 Celsius, perhaps 1 or 2 minutes after the stress test.

    I rarely use the processor at 100% but I am still concerned about these temperatures close to 100% during heavy computing tasks.

    What do you think?
      My Computer

  2. bobkn's Avatar
    Posts : 3,612
    Win 10 X64 Pro 21H1 19043.928
       #2

    I think that I'd want to use a utility that displays the CPU core frequencies, to see whether it is throttling. The performance test in Task Manager only shows a single frequency, I believe.

    CPU-Z includes a CPU stress function, as an alternative to the Linux thing.

    I'm not a serious overclocker, but I never use the stock cooler. (Some newer Intel CPUs don't include them.) The Cooler Master Hyper 212 Evo is one that has been highly regarded in past years, and is relatively cheap. (COOLER MASTER Hyper 212 EVO RR-212E-20PK-R2 Continuous Direct Contact 120mm Sleeve CPU Cooler Compatible with latest Intel 2011/1366/1155 and AMD FM1/FM2/AM3+ - Newegg.com) If it'll fit your case, it may be worth a look. I'm not sure whether it's the best choice now, but it'll be an improvement.

    I admit that I have taken to using all-in-one water coolers, mainly to free up space around the CPU socket. No leaks, so far.
      My Computers


  3. Posts : 48
    Linux mint 19.2
    Thread Starter
       #3

    bobkn said:
    I think that I'd want to use a utility that displays the CPU core frequencies, to see whether it is throttling. The performance test in Task Manager only shows a single frequency, I believe.

    CPU-Z includes a CPU stress function, as an alternative to the Linux thing.

    I'm not a serious overclocker, but I never use the stock cooler. (Some newer Intel CPUs don't include them.) The Cooler Master Hyper 212 Evo is one that has been highly regarded in past years, and is relatively cheap. (COOLER MASTER Hyper 212 EVO RR-212E-20PK-R2 Continuous Direct Contact 120mm Sleeve CPU Cooler Compatible with latest Intel 2011/1366/1155 and AMD FM1/FM2/AM3+ - Newegg.com) If it'll fit your case, it may be worth a look. I'm not sure whether it's the best choice now, but it'll be an improvement.

    I admit that I have taken to using all-in-one water coolers, mainly to free up space around the CPU socket. No leaks, so far.

    All my tests were done in linux Mint, I can get all 6 frequency for the 6 cores but it's not a real time application, my CPU is not overclocked also. I will look for an application to know more about trottling

    My question is more about the maximal temperature between 90 and 100 celsius while encoding a DVD. The processor is rated 100c Max and it has obviously a thermal protection in case it goes higher. Intel will supply a specific heat sink with the processor, which is supposed to do it's job.

    Everything works according to parameters.

    But some people seems to say and think that such temperatures are bad for the processor. That's what I find confusing a bit.

    I am tempted to get the coolermaster heatsink and fan you suggested bobkn, if it can reduce the overall temperature of the CPU of let's say 10 degrees Celsius.
      My Computer


 

  Related Discussions
Our Sites
Site Links
About Us
Windows 10 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation. "Windows 10" and related materials are trademarks of Microsoft Corp.

Designer Media Ltd
All times are GMT -5. The time now is 08:13.
Find Us




Windows 10 Forums