Mac Book Pro CPU reaches 200 F

Discussion in 'MacBook Pro' started by Ravernomina, Jan 25, 2010.

  1. Ravernomina macrumors member

    Joined:
    Nov 15, 2009
    #1
    Hello all. When i was playing Runescape and running Itunes and 2 IM clients, I saw my CPU reach up to 200 F I freaked out because i dnt want the CPU to get damaged. So i used smcFanControl, to blast it down to 140.... Is this normal for it to reach 200 F and the fan not speeding up? Thanks!
    Ravernomina

    MacBook Pro 5,4
     
  2. miles01110 macrumors Core

    miles01110

    Joined:
    Jul 24, 2006
    Location:
    The Ivory Tower (I'm not coming down)
    #2
    Seems a little unusual that the fans didn't spin up, but 200 F (~93 C) is pretty normal.
     
  3. Ravernomina thread starter macrumors member

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    Nov 15, 2009
    #3
    I know thats why i was really worried.... i read in a book after 212 F the CPU will take damage...
     
  4. hundert macrumors regular

    hundert

    Joined:
    Jan 24, 2010
    #4
  5. miles01110 macrumors Core

    miles01110

    Joined:
    Jul 24, 2006
    Location:
    The Ivory Tower (I'm not coming down)
    #5
    Yours was a different model with a known faulty graphics card. It is unlikely your problems were related to heat.
     
  6. Ravernomina thread starter macrumors member

    Joined:
    Nov 15, 2009
    #6
    o im running a Macbook Pro 5,4... sorry to post that :p
     
  7. Eidorian macrumors Penryn

    Eidorian

    Joined:
    Mar 23, 2005
    Location:
    Indianapolis
    #7
    Extremely normal for the unibody hardware. I'm amazed that it's still a surprise.
     
  8. Ravernomina thread starter macrumors member

    Joined:
    Nov 15, 2009
    #8
    Well i just moved from a PC... god fed up with LINUX/Windows... And in the Field as a UNIX I.T.... 200 is Bad haha.... so this is all just normal then?
     
  9. TheIguana macrumors 6502a

    TheIguana

    Joined:
    Sep 26, 2004
    Location:
    Canada
    #9
    Yes. The maximum thermal range of Intel's CPUs generally ranges from 100ºC (212ºF) to 105ºC (221ºF). Thats not to say you won't hear lots of hoopla about temperatures on forums, but as far as Intel is concerned 200ºF is perfectly normal.

    Source: Intel Processor Specs
     
  10. m85476585 macrumors 65816

    Joined:
    Feb 26, 2008
    #10
    200F would be bad for desktop components, but laptop components are designed to take it.

    200F=93C. That's a bit high, but not unusual for a Unibody MBP. It wouldn't hurt to run SMCFanControl since high temperatures will degrade the life of other components, like the battery and maybe the capacitors, depending on the type. I wouldn't worry about the CPU itself, though.
     
  11. Pax macrumors 6502a

    Joined:
    Dec 12, 2003
    #11
    check out this thread http://forums.macrumors.com/showthread.php?t=853187

    don't worry, you can't damage the CPU, it's completely fail safe, it will down-clock at 105 C and shut down completely at around 130 to save itself.

    200 F = 93 C sounds perfectly normal, my MBP 13 Unibody peaks at 103 C and then drops back to around 90 C, almost the same as yours.

    I posted on the thread above on the fan control algorithm - it seems carefully designed to let the CPU meet, but not exceed, the 105 C spec limit. Then it drops it down to the 90's if the load continues.

    I posted a link at the thread above to the Core2Duo thermal management document, it gives a lot of useful info.

    Sorry my numbers are all in C not F!
     

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