please share your 2017 new imac 27' idle fan speed and CPU temperature

Discussion in 'iMac' started by robertchen117, Jun 27, 2017.

  1. robertchen117, Jun 27, 2017
    Last edited: Jun 27, 2017

    robertchen117 macrumors newbie

    robertchen117

    Joined:
    Jun 23, 2017
    #1
    today I notice the computer voice now.

    I do not play games, just open a few chrome pages, did not open too much applications.

    Right now the fan: 1202 RPM,
    cpu temperature: 42C
    Ambient Temp: 30C

    Please share yours, thanks.
     
  2. EugW macrumors 68040

    EugW

    Joined:
    Jun 18, 2017
    #2
    What machine do you have?

    Mine:

    Core i7 iMac 4.2 GHz with 1 TB SSD and Radeon 580
    Core temp 41C
    Fan speed 1202
     
  3. robertchen117 thread starter macrumors newbie

    robertchen117

    Joined:
    Jun 23, 2017
    #3
    2017 imac 27', Core i7 iMac 4.2 GHz , 16G ram, 512G SSD, Radeon 580 8G
     
  4. SaSaSushi, Jun 27, 2017
    Last edited: Jun 27, 2017

    SaSaSushi macrumors 68040

    SaSaSushi

    Joined:
    Aug 8, 2007
    Location:
    Takamatsu, Japan
    #4
    4.2GHz i7 with 40GB RAM, 512GB SSD and Radeon 580.

    At the moment:

    Core Temp: 45°C
    Fan Speed: 1196 RPM

    Ambient Temp: 27.4°C
     
  5. macryan1 macrumors member

    Joined:
    Dec 13, 2009
    #5
    --- Post Merged, Jun 27, 2017 ---
    While running a fairly intense flight simulator: i5, 3.8, 580, 16GB RAM. Very slight fan noise...not bothersome whatsoever.
     

    Attached Files:

  6. doom102938 macrumors newbie

    Joined:
    Mar 9, 2012
    #6
    Maybe another piece of information that can be useful is your ambient temperatures!

    Cheers!
     
  7. SaSaSushi macrumors 68040

    SaSaSushi

    Joined:
    Aug 8, 2007
    Location:
    Takamatsu, Japan
    #7
    Good thought. Edited my post above to add it.
     
  8. Mac Hammer Fan macrumors 6502a

    Mac Hammer Fan

    Joined:
    Jul 13, 2004
    Location:
    Belgium
    #8
    Nice thread. I hope to see many posts.:)
    I am just curious: how is this with video encoding?
     
  9. Floris macrumors 68020

    Floris

    Joined:
    Sep 7, 2007
    Location:
    Netherlands
    #9
    Which apps are we using to get these values?
    Is iStats still around?
     
  10. mabaker macrumors 65816

    mabaker

    Joined:
    Jan 19, 2008
    #10
    This is interesting - the iMac 2017's fans run at the same speed as the 2015 model but seem to be more audible? Can anyone confirm?
     
  11. SaSaSushi macrumors 68040

    SaSaSushi

    Joined:
    Aug 8, 2007
    Location:
    Takamatsu, Japan
    #11
    Are you trying to confirm your own experience or basing this on things you've heard/read?

    I find the fan on my 2017 iMac to be noticeably quieter than the Late 2013 iMac that preceded it.
     
  12. MeValonicAcid macrumors member

    MeValonicAcid

    Joined:
    Sep 29, 2008
    Location:
    Belgium
    #12
    Comparison => Two 27" iMacs doing the same thing at the same time, next to each other

    Idle

    iMac 2012 i7 - GTX680M - Fusion Drive:

    Right now the fan: 1200 RPM,
    cpu temperature: 36 °C
    Ambient Temp: 30-31 °C
    GPU Diode: 35 °C

    iMac 2017 i7 - Radeon 580 - SSD:
    Right now the fan: 1200 RPM,
    cpu temperature: 45 °C
    Ambient Temp: 31°C
    GPU Diode:43


    Youtube 1080p in chrome browser window

    iMac 2012 i7 - GTX680M - Fusion Drive:

    Right now the fan: 1200 RPM,
    cpu temperature: 48-49 °C
    Ambient Temp: 30-31 °C
    GPU Diode: 36-38 °C

    iMac 2017 i7 - Radeon 580 - SSD:
    Right now the fan: 1204 RPM,
    cpu temperature: 55-60 °C
    Ambient Temp: 31-32 °C
    GPU Diode:43-44
     
  13. Dc2006ster macrumors regular

    Joined:
    Jun 9, 2011
    Location:
    Alberta, Canada
    #13
    iMac 27" 2017 3.8 GHz i5 Radeon 580 512GB SSD 24 GB Ram at idel. running Safari

    Fan 1203
    CPU cores 38 °C
    Ambient logic board temp 30°C
    Ambient room temp 21°C
     
  14. nathan_reilly macrumors member

    nathan_reilly

    Joined:
    Apr 2, 2016
    #14
    I'm very intrigued by this. I have a 2011 27" (3.4 quad i7, AMD 6970 2GB) that is certainly aging by now. I'll run these tests if I have a chance because I always thought this machine ran hot - it's cooked the two SSDs I've swapped into it over the years - but maybe the newer ones are worse?? Might have to bite the bullet for the iMac Pro :/
     
  15. MeValonicAcid macrumors member

    MeValonicAcid

    Joined:
    Sep 29, 2008
    Location:
    Belgium
    #15
    First impressions in Bootcamp Win10

    3D gaming - Star wars battlefront (Settings set to have 50-60 fps)

    iMac 2012 i7 - GTX680M - Fusion Drive:

    Right now the fan: - to re-test
    cpu temperature: - to re-test
    GPU : - to re-test

    iMac 2017 i7 - Radeon 580 - SSD:
    Right now the fan: 1500- 2400 rpm - periodically noisy
    cpu temperature: 95-100°C
    GPU: 80-85°C
     

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