imac i7 m395x heat test

Discussion in 'iMac' started by Jason32, Oct 25, 2015.

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  1. Jason32, Oct 25, 2015
    Last edited: Oct 25, 2015

    Jason32 macrumors member

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    #1
    hey guys i just did a quick heat test rendering a 4k file with premier pro. The temp never got higher than 98 degrees and fan speeds stayed under 2300 rpm.

    Check the video i uploaded:
     
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    OddyOh, MandiMac, Michaelgtrusa and 3 others like this.
  2. Jason32, Oct 25, 2015

    Jason32 thread starter macrumors member

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    #2
    I've done some more tests with 4k files and it really doesnt get over 98 degrees.
     
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  3. MandiMac, Oct 25, 2015

    MandiMac macrumors 6502a

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    #3
    Great work, thank you Jason!
     
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  4. Zarniwoop, Oct 25, 2015

    Zarniwoop macrumors 65816

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    #4
    Because this was mainly a CPU test, there's no sign of throttling in GPU. Would be interesting to know what happens when both are fully utilized.
     
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  5. JeroenDebruyne, Oct 27, 2015

    JeroenDebruyne macrumors member

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    #5
    How is the fan speed at evening when it is low RPM (1200)? Can you hear it well in a silent room at evening?
     
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  6. Jason32, Oct 27, 2015

    Jason32 thread starter macrumors member

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    #6
    The fans are normally very quiet, they only seem to kick in when I render 4k videos.
     
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  7. felt., Oct 27, 2015

    felt. macrumors 6502a

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    #7
    doesn't this cpu throttle at 100 degrees to prevent meltdown? 98 degrees is quite hot.
     
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  8. MandiMac, Oct 28, 2015

    MandiMac macrumors 6502a

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    #8
    Hello all,

    I just used my i5/M395X machine for 11 hours straight with 100 % CPU and 100 % GPU usage.
    I have some logs (GPU-Z and Afterburner) for you in my Dropbox, and it's really telling.

    The CPU temperature reaches 100 degrees Celsius one time and the GPU never goes beyond 94 degrees Celsius.

    So much for the "overheating troubles" many folks are shouting around.
     
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  9. Jason32, Oct 29, 2015

    Jason32 thread starter macrumors member

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    #9
    I edited a short 3 min video again and the cpu got up to 100 degrees, have to test if the cpu speed goes down due to this.
     
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  10. Cliffy Biro, Oct 29, 2015

    Cliffy Biro macrumors member

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    #10
    What were you using? And was it during actual encoding or while you were just editing the chip? Did the fans kick in? Thanks
     
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  11. Jason32, Oct 29, 2015

    Jason32 thread starter macrumors member

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    #11
    During the editing and playing back at full the fans kicked in and the temp was around 94 and it took me about 15-20 mins to edit and then encoding took about 8 mins and during that the cpu touched 100 many times and stayed around 95-99 with fans going crazy. I think this machine would not be good for editing large 4K files. And my video had only 60mb bit rate imagine if it was 100mb then how would this computer handle that.
     
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  12. radam87, Mar 18, 2017

    radam87 macrumors newbie

    radam87

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    #12
    Sorry - in lay terms is this operating without overheating?
     
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11 October 25, 2015