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  1. #1
    How much power used while in Sleep mode?

    Member Since
    Feb 22, 2008
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    12
    How much power used while in Sleep mode?
    Hi

    Well the subject sort of says it all, really. Do you know how much power is used while the system is in Sleep mode? I notice there's no proper hibernate mode, like there is in Windows.

    Thanks
    M

  2. #2
    How much power used while in Sleep mode?
    B&O's Avatar
    Member Since
    May 18, 2007
    Location
    Brit in Tokyo.
    Posts
    745
    Specs:
    MBP i7, Mac Mini & iPhone 3G.
    THank god there isn't a hibernate mode like Windows. It always caused me problems.

    It uses very little power in stand by. It depends on the amount of RAM you. It is typically about 5% a day for me (4GB of RAM).
    MacBook Pro 2.66Ghz i7. Mac Mini 2.26Ghz C2D
    iPhone 3G 16GB iPad 3G 64GB
    Check out my flickr

  3. #3
    How much power used while in Sleep mode?
    dtravis7's Avatar
    Member Since
    Jan 04, 2005
    Location
    Modesto, Ca.
    Posts
    28,480
    Specs:
    iMac late 2007 10.11.b4, iMac 2008 10.10.5, Macbook2007 10.7.5, Mac Mini 10.7.5, iPhone 3GS Note 8!!
    Hibernation is a Windows term. Macs run OSX and there for are different than Windows. There is no Hibernation in OSX, only Sleep. In sleep the machine is totally sleeping. Internet is gone, screen is dark, hard drive not spinning. The current usage is probably very low. I have left my iBook G4 for days in Sleep and I woke it and it still had a lot of life left.

    I know Windows very well and from what I have seen sleep in OSX is very similar. The machine is dead. Everything stops. People ask why their chat applications close when OSX is sleeping. It's because it's totally asleep.

  4. #4
    How much power used while in Sleep mode?

    Member Since
    Feb 25, 2009
    Posts
    2,109
    Specs:
    Late 2013 rMBP, i7, 750m gpu, OSX versions 10.9.3, 10.10
    Sleep on a Mac is similar to Sleep on a windows pc (although, I've had sleep on my Mac work correctly and have always had trouble with it on my pcs) - if you loose power in sleep mode, the machine will need to do a full reboot, unlike Windows Hibernate which will resume from the HD basically by using a saved copy of what's in RAM.

    Now, a little search on google for OS X Hibernate did yield an interesting piece of info about "safe sleep". It looks like it doesn't work necessarily for everyone, but it for those that it does work for - it's similar to Hibernate from what I've read..

    Mac Life. Simple Life.: Mac OS X Hibernate Issue
    My Macs: Late 2013 rMBP w/ 750m; Mac mini G4, 1.25 GHz, 512m ram (server); Late 2011 11" MBA, 1.8GHz i7, 4Gig Ram, 256Gig SSD, HD3000; Powerbook 12" G4 1.33GHz running Debian as a server; Apple TV (1080p version)

  5. #5
    How much power used while in Sleep mode?

    Member Since
    Feb 22, 2008
    Posts
    12
    Quote Originally Posted by Nethfel View Post
    Sleep on a Mac is similar to Sleep on a windows pc (although, I've had sleep on my Mac work correctly and have always had trouble with it on my pcs) - if you loose power in sleep mode, the machine will need to do a full reboot, unlike Windows Hibernate which will resume from the HD basically by using a saved copy of what's in RAM.

    Now, a little search on google for OS X Hibernate did yield an interesting piece of info about "safe sleep". It looks like it doesn't work necessarily for everyone, but it for those that it does work for - it's similar to Hibernate from what I've read..

    Mac Life. Simple Life.: Mac OS X Hibernate Issue
    Just installed the 'Deep Sleep' widget discussed in the article you recommended - perfect, does exactly what i was looking for. Many thanks.

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