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Mountain Lion Performance?

21572 Views 22 Replies Latest reply: Feb 2, 2013 11:49 PM by RichardGarza RSS
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NotMalwareEXE Calculating status...
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Jul 25, 2012 12:21 PM

For all the people who downloaded Mountain Lion, how is the performace compaired to Lion? I'm thinking of upgrading since Lion is horrendusly slow. Apple claims that Mountain Lion is faster than both Lion and Snow Leopard. Can anyone verify these claims?

MacBook Pro, Mac OS X (10.7.4)
  • woodmeister50 Level 4 Level 4 (3,690 points)
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    Jul 25, 2012 12:24 PM (in response to NotMalwareEXE)

    If your installation of Lion is horrendously slow, you need to

    resolve what is causing those issues as they will just carry

    over to Mountain Lion.

  • ConstantAngel Level 2 Level 2 (250 points)
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    Jul 25, 2012 12:26 PM (in response to NotMalwareEXE)

    Before the update my laptop was amazingly fast, after the update everything seems very slow "/

  • whitewater2 Level 3 Level 3 (665 points)
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    Jul 25, 2012 12:26 PM (in response to NotMalwareEXE)

    I felt the pain of OS X Lion slowing my Macbook Pro after upgrading from Snow Leopard. Boot time doubled for me for some reason.

     

    I did a clean install of Mountain Lion, and ML has been a lot faster booting and snappier (lack of better term) for all programs. This is my favorite part of installing Mountain Lion.

  • woodmeister50 Level 4 Level 4 (3,690 points)
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    Jul 25, 2012 12:32 PM (in response to NotMalwareEXE)

    Installation of Lion on any of my Macs did not result in slow

    performance.  As far as Mountain Lion, I have only installed

    on my 2011, 13", 2.7 GHz Macbook Pro so far and see no performance

    difference between Lion and Mountain Lion.  Actually, updating from

    Snow Leopard to Lion actually made it faster.

     

    Jury is still out on my other Macs as I haven't gotten around to

    installing yet.

  • Parrish Jones Level 1 Level 1 (100 points)
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    Jul 26, 2012 6:07 AM (in response to NotMalwareEXE)

    Im having same problem. My HD is now full of "Other" I think that is probably the problem. Before th upgrade to Mt Lion I had no "other" on my disk. Now I have 187 Gig which is half my HD.

  • hellacott Level 1 Level 1 (20 points)
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    Jul 30, 2012 1:03 AM (in response to NotMalwareEXE)

    My MacBook was slow, even though it came with Lion Pre Installed, and since Mountain Lion everything has seemed much snappier and quicker. Everyone that can should upgrade!

  • chillywilly Calculating status...
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    Jul 30, 2012 7:32 AM (in response to hellacott)

    This is true for me, too. My mid 2010 MacBook Pro...always struggled with Lion. Worked on it a lot with suggestions from the forums, but never could get it to run quickly. Installed Mountain Lion a few days ago, and it's been quicker and "snappier" in every regard since the upgrade. Happy!

  • Nearly-Normal Level 1 Level 1 (0 points)
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    Jul 31, 2012 9:19 PM (in response to chillywilly)

    Did you download from the App Store and just "upgrade" or did you do a clean install?

     

    Can a clean install be done without any DVD disk etc?

  • joanfromkansas Calculating status...
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    Aug 4, 2012 10:28 AM (in response to Nearly-Normal)

    Ok, I've been working on macs for years.  What is a 'clean install' vs. the download from Apple?

  • woodmeister50 Level 4 Level 4 (3,690 points)
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    Aug 4, 2012 1:49 PM (in response to joanfromkansas)

    joanfromkansas wrote:

     

    Ok, I've been working on macs for years.  What is a 'clean install' vs. the download from Apple?

    Clean install - completely wipe and reformat hard drive and

                          install OS from scratch.  Then reinstall apps

                          and import data.

     

    The download can be used as an upgrade on top of a current installation.

    Within the downloaded package (right click see package contents) is the

    actual disk image that contains the OS installation.  This can be used

    to create a stand alone installer (USB memory stick or DVD).  This

    can then be used to do a clean install.

     

    Why a clean install instead uf upgrade?  If you have been upgrading OS's

    over the years and also been accumulating apps that aren't being used

    and associated drivers perhaps, sometimes doing a clean install is a good

    way to start fresh and eliminate the fluff that one can accumulate over

    the years.  Is this necessary?   if a system is well maintained and kept

    up to date, it usually isn't necessary. 

     

    However, some people just like to have a fresh start with a new OS

    to elimate any possible issues with "old stuff".

  • woodmeister50 Level 4 Level 4 (3,690 points)
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    Aug 4, 2012 1:56 PM (in response to NotMalwareEXE)

    As a note for performance, FWIW, on my 2011 Mac Mini Server

    running Lion client (no Server) gives a Geekbench score of 9467.

    The same machine running Mountain Lion client on a different

    partition yields a Geekbench score of 9686.  Ran test multiple

    times booting Lion then booting Mountain Lion and the results are

    the same.  It's not a big difference but it is a difference and I

    have noticed things being a little snappier/quicker in general.

  • MacMyBlack Calculating status...
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    Aug 4, 2012 2:12 PM (in response to NotMalwareEXE)

    I have SL, Lion and ML. I think I was happiest with SL. Lion is definetly slower than SL. ML is faster in some aspects. ML is installed on my new MBA which has a flash memory, so I cant compare. My MBA had Lion installed when I bought it last week and was blazing fast - 13 second bootup and 3 second shut down. today after the installation of ML, boot up is nearly the same, however, the shutdown is 13 seconds!!! I wish i stayed with Lion. Rest of the apps have no difference.

  • joanfromkansas Level 1 Level 1 (0 points)
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    Aug 4, 2012 6:52 PM (in response to woodmeister50)

    Thank you.  Fantastic explanation!  I haven't 'upgraded' to ML yet--after reading these posts I'm almost afraid it will confuse my Time Machine, etc.  Seems everytime I do an upgrade, I get some sort of 'surprise' on my Mac which needs to be worked through.  But I thank you again.

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