Disabling Cores Mac Pro - Effect on Power Consumption

Discussion in 'Mac Pro' started by sea800, Feb 17, 2007.

  1. sea800 macrumors newbie

    Joined:
    Oct 23, 2006
    #1
    What is the effect on system power consumption of disabling cores through the processor control panel on the mac pro.
     
  2. Pressure macrumors 68040

    Pressure

    Joined:
    May 30, 2006
    Location:
    Denmark
    #2
    Not good.

    You will practically disable the entire processors ability to go into power saving modes.

    As a result, it will probably use more power when used for general computing.

    You may see a difference if you max out the cores the entire time.
     
  3. Scarlet Fever macrumors 68040

    Scarlet Fever

    Joined:
    Jul 22, 2005
    Location:
    Bookshop!
    #3
    processes will take longer, resulting in the chip getting hotter, meaning the fans work harder, meaning it will use more power.

    just a guess :)
     
  4. jackholexxxx macrumors newbie

    Joined:
    Feb 17, 2007
  5. trainguy77 macrumors 68040

    Joined:
    Nov 13, 2003
    #5
    I think you have to install the CHUD tools from the developers section of the DVD.

    Yeah from what I have been told this type of disabling cores does not help power usage at all.:(
     
  6. Eidorian macrumors Penryn

    Eidorian

    Joined:
    Mar 23, 2005
    Location:
    Indianapolis
    #6
    Intel SpeedStep already comes with the iMac, Mac mini Macbooks. Now the thing is, I don't know if OS X takes advantage of it. I've seen results where turning off cores on laptops leads to greater heat and power consumption.

    You're not going to save any power or generate any less heat unless you unsocket a processor.
     
  7. THX1139 macrumors 68000

    THX1139

    Joined:
    Mar 4, 2006
    #7
    Why worry about system power consumption? Are you just trying to do your part to help eliminate global warming?
     
  8. BiikeMike macrumors 65816

    BiikeMike

    Joined:
    Sep 17, 2005
    #8

    Yeah, for real. Not like its gonna lower your power bill much! Now, turning off your monitors, THAT would save on your power bill! Think you can work with no monitors? :D
     
  9. Pressure macrumors 68040

    Pressure

    Joined:
    May 30, 2006
    Location:
    Denmark
    #9
    Actually, LCD screens only use a fraction of the power a normal CRT monitor does.
     
  10. BiikeMike macrumors 65816

    BiikeMike

    Joined:
    Sep 17, 2005
    #10

    Who said they are not using a CRT? ;)
     
  11. synth3tik macrumors 68040

    synth3tik

    Joined:
    Oct 11, 2006
    Location:
    Minneapolis, MN
    #11
    The power comsuption on the Mac Pro is relatively low in comparision to other computer/processors. The harder a processor works the higher the temp of the processor and less efficent it is and the higher the fans spin. having more processors doing less work takes less energy.
     
  12. Pressure macrumors 68040

    Pressure

    Joined:
    May 30, 2006
    Location:
    Denmark
    #12
    No one but to my knowledge Apple does not sell CRT monitors. ;)
     
  13. flyinmac macrumors 68020

    flyinmac

    Joined:
    Sep 2, 2006
    Location:
    United States
    #13
    Yes. But, only the rich would buy a monitor from Apple.

    The only Apple monitors I've owned have been the ones built-into the iMacs.

    I'm not about to pay $600 or $1200 when I can get a comparable monitor for $200 or $400 somewhere else. Sure, it may not look like a Mac monitor, but all I care about is how things displayed on the monitor look.
     

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