MBA 2011 increased battery with Mavericks?

Discussion in 'OS X Mavericks (10.9)' started by Poly, Sep 1, 2013.

  1. Poly macrumors 6502

    Joined:
    Jul 14, 2013
    Location:
    Germany
    #1
    So i have a MBA 13" from mid 2011. Battery health is about 92%. Will i also get increased battery duration with 10.9?
     
  2. Krazy Bill macrumors 68030

    Krazy Bill

    Joined:
    Dec 21, 2011
    #2
    You might see the few tweaks in Mavrix help (when it's been fine-tuned) but in all seriousness, older macs won't see anything significant. The new Haswell processors will do most of that work.

    I haven't noticed anything myself but have no way to quantify this universally as all battery usage is user-dependant and subjective at best.
     
  3. thadoggfather macrumors G3

    thadoggfather

    Joined:
    Oct 1, 2007
    #3
    Mavericks is better on battery life on these models.

    Battery health itself shouldn't be impacted one way or the other.
     
  4. Krazy Bill macrumors 68030

    Krazy Bill

    Joined:
    Dec 21, 2011
    #4
    Why is it better on 2011 MBAirs?
     
  5. thadoggfather macrumors G3

    thadoggfather

    Joined:
    Oct 1, 2007
    #5
    I think it's more efficient, and puts tasks to sleep when they aren't being opened.

    I forgot but I think the way it utilizes CPU was re-done in Mavs, no?
     
  6. Mr. Retrofire macrumors 601

    Mr. Retrofire

    Joined:
    Mar 2, 2010
    Location:
    www.emiliana.cl/en
    #6
  7. Krazy Bill macrumors 68030

    Krazy Bill

    Joined:
    Dec 21, 2011
    #7
    Your link refers to Mavericks being tested on a Haswell processor:

    Testing conducted by Apple in May 2013 and June 2013 using production 1.8GHz Intel Core i5-based 13-inch MacBook Air systems


    Again, the OP is talking about a 2011 machine. The theory is sound but I don't think you'll see that much magical improvement on older hardware. That's been my experience anyway. It does go hand-in-hand with the newer Intel CPU's though.
     
  8. Mr. Retrofire macrumors 601

    Mr. Retrofire

    Joined:
    Mar 2, 2010
    Location:
    www.emiliana.cl/en
    #8
    That is not important.
     
  9. Krazy Bill macrumors 68030

    Krazy Bill

    Joined:
    Dec 21, 2011
    #9
    How is comparing two unique processors in a benchmark test not important?

    LOL!
     
  10. Vinz-uk macrumors newbie

    Joined:
    Aug 15, 2013
    Location:
    France - Lille
    #10
    I noticed an improvement with battery life between ML and Mavericks with the same Machine, a rMBP from 2012, with an Ivy Bridge CPU.
    So yes, the gain is there even with older CPUs.
    But with Haswell, it'll probably be even better.
     
  11. Krazy Bill macrumors 68030

    Krazy Bill

    Joined:
    Dec 21, 2011
    #11
    And it may very well be however, we'll have to wait for somebody to quantify that gain (if any) on generic processors and do some official benchmarks once 10.9 is released. And those will be forthcoming.

    But for now it's irresponsible to provide definitive testimonials based on one's "gut feel". (Mine included). After all, there's a reason why Apple references all those Haswell footnotes when touting their claims.
     
  12. Poly thread starter macrumors 6502

    Joined:
    Jul 14, 2013
    Location:
    Germany
    #12
    I'm not really into the OS X update scheme....maybe you can tell me an estimated release? Are there any rumors?
     
  13. Krazy Bill macrumors 68030

    Krazy Bill

    Joined:
    Dec 21, 2011
    #13
    :eek:

    Bets are sometime in October.
     
  14. Ptyger macrumors member

    Ptyger

    Joined:
    Nov 20, 2008
    Location:
    Knoxville, TN
    #14
    Actually, the Haswell i5 is a 1.3 GHz CPU. The tested model is likely an Ivy Bridge 2012 MBA model, which came stock with a 1.8 GHz i5 CPU.
     
  15. Krazy Bill macrumors 68030

    Krazy Bill

    Joined:
    Dec 21, 2011
    #15
    ??? :confused:

    Why would current benchmarks posted on Apple's site be based on a chip they no longer use in the MBA?
    2013-09-04 08.54.03 am.png
     
  16. Ptyger macrumors member

    Ptyger

    Joined:
    Nov 20, 2008
    Location:
    Knoxville, TN
    #16
    Your guess is as good as mine. I'm just pointing out that the Haswell specs don't match up to the specs they quote as the testing model.
     
  17. jmgregory1 macrumors 65816

    jmgregory1

    Joined:
    Jun 24, 2010
    Location:
    Chicago and a few other places around the world
    #17
    Yes, you'll see an improvement. I was running the first few Mav dp's and saw a significant increase in battery life on my '11 13" mba. It's clear the new os is better at managing resources and I look forward to the public release as my mba has a steadily declining battery health and could use any savings I can get for daily use life.
     
  18. Poly thread starter macrumors 6502

    Joined:
    Jul 14, 2013
    Location:
    Germany
    #18
    Nice thanks :)
     
  19. Mr. Retrofire macrumors 601

    Mr. Retrofire

    Joined:
    Mar 2, 2010
    Location:
    www.emiliana.cl/en
    #19
  20. ErikGrim macrumors 68040

    ErikGrim

    Joined:
    Jun 20, 2003
    Location:
    Brisbane, Australia
    #20
    My wife is reporting very noticeably better battery on her MBA 2011 so YMMV.
     
  21. vistadude macrumors 65816

    Joined:
    Jan 3, 2010
    #21
    With better battery life, is Mavericks slower than mountain lion?
     
  22. Mr. Retrofire macrumors 601

    Mr. Retrofire

    Joined:
    Mar 2, 2010
    Location:
    www.emiliana.cl/en
    #22
  23. jmgregory1 macrumors 65816

    jmgregory1

    Joined:
    Jun 24, 2010
    Location:
    Chicago and a few other places around the world
    #23
    Yep, I know that. I even tried the "my battery is below 85% in less than 300 cycles after a year of use" at an Apple store and they offered to "charge me for a replacement battery". Gee, thanks for the generous offer, I thought. I'll live with it til I can't get by, before popping for a new one.
     
  24. Miltz macrumors 6502a

    Joined:
    Sep 6, 2013
    Location:
    New York
    #24
    That a good result. How did you get a battery health rating? Also do you usually use your macbook plugged in?
     
  25. Poly thread starter macrumors 6502

    Joined:
    Jul 14, 2013
    Location:
    Germany
    #25
    I use Coconut Battery. It says 89% health for my 22months old MBA 13" mid2011.

    Actually I always let the battery drain to 2-5% and then plug it in to charge back up to 100%. I have to charge the battery every second day with my average usage. So i only use it while charging when i need it of course but i unplug it at 100%. So i don't use it like a desktop where you let it plugged all day, no matter that you already have 100% battery.

    Is that bad? Or is it good how i do it?
     

Share This Page