Avoid the CPU update?

Discussion in 'MacBook' started by KPOM, Apr 8, 2015.

  1. KPOM macrumors G5

    Joined:
    Oct 23, 2010
    #1
    AnandTech does their usual excellent analysis and has shown that in certain circumstances the slowest Core M can outperform the one with the highest speed rating. It all comes down to cooling.

    http://www.anandtech.com/print/9117/analyzing-intel-core-m-performance

    Given this, since the MacBook doesn't have a fan (unlike the Lenovo using the 5Y71) might we be better off with the base model? Hopefully AnandTech does an update with the MacBook models included after it is out.
     
  2. newellj macrumors 601

    Joined:
    Oct 15, 2014
    Location:
    Boston, MA, US
    #2
    I really don't know the answer, but I remember that in some other thread someone who was familiar with Core M offered a similar opinion, so I don't think the question is crazy - even though it might seem crazy if we were talking about the Core series.
     
  3. 3bs macrumors 603

    3bs

    Joined:
    May 20, 2011
    Location:
    Dublin, Ireland
    #3
    I hope we get an answer by Friday because I want to order it ASAP and returning it might be a bit of a hassle.

    Apple Watch reviews have been coming out so I wonder when the rMB reviews will come out and whether they will compare the different CPU speeds.
     
  4. newellj macrumors 601

    Joined:
    Oct 15, 2014
    Location:
    Boston, MA, US
    #4
    Saw that and made a quick circuit - negative results so far!
     
  5. 3bs macrumors 603

    3bs

    Joined:
    May 20, 2011
    Location:
    Dublin, Ireland
    #5
    I'm not planning on getting one so I didn't bother with the reviews.
     
  6. mi7chy macrumors 68040

    mi7chy

    Joined:
    Oct 24, 2014
    #6
    CPU upgrade is just a money trap for overall lower sustained performance.
     
  7. dexterbell macrumors 6502a

    Joined:
    Jan 29, 2015
    #7
    The Core M 5Y31 used in the base model is said to be similar to the Core i5 4200U while the 5Y71 used in the high end MB is similar to the Core i7 4500U. Thats a considerable difference.
     

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