Dual core vs quad core

Discussion in 'MacBook Pro' started by Roadking714, Mar 11, 2015.

  1. Roadking714 macrumors regular

    Joined:
    Mar 7, 2014
    #1
    I know the rmbp 15 is a very good fast machine and comparing to the new rMBP 13 dual core what differences will I see from a dual core machine vs a quad core?
     
  2. GGJstudios macrumors Westmere

    GGJstudios

    Joined:
    May 16, 2008
    #2
    It completely depends on your typical workload. Most users won't see any noticeable difference in performance between various processors, because most users never fully tax even the slowest processor.
     
  3. maflynn Moderator

    maflynn

    Staff Member

    Joined:
    May 3, 2009
    Location:
    Boston
    #3
    Do you have apps that can and will take advantage of the extra CPU cores? No, then you'll not really notice a speed difference.

    Apps like VMware Fusion, or PS, need the extra horsepower, other apps are not written to take advantage, or if you don't have a lot of apps open at any given time.
     
  4. Roadking714 thread starter macrumors regular

    Joined:
    Mar 7, 2014
    #4
    So running a virtual machine I will notice a lag? And photoshop
     
  5. Wahlstrm macrumors 6502a

    Wahlstrm

    Joined:
    Dec 4, 2013
    #5
    In apps that scale well up to 8 threads you'll se 100% increase in performance.
    In 1-2 core processes you'll get basically nothing extra.. :)
     
  6. GGJstudios macrumors Westmere

    GGJstudios

    Joined:
    May 16, 2008
    #6
    Not necessarily. Again, it depends on the workload. For example, what apps and what kind of workload would you have running in your VM? Same for Photoshop. Some functions don't take a lot of processing power. Some do.
     
  7. Roadking714 thread starter macrumors regular

    Joined:
    Mar 7, 2014
    #7
    Nothing heavy at the moment just basics when running VM, excel or phone programs
     
  8. GGJstudios macrumors Westmere

    GGJstudios

    Joined:
    May 16, 2008
    #8
    It's highly unlikely you'd see any difference between processors.
     
  9. Roadking714 thread starter macrumors regular

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    Mar 7, 2014
    #9
    Right on thank you!
     
  10. yjchua95 macrumors 604

    Joined:
    Apr 23, 2011
    Location:
    GVA, KUL, MEL (current), ZQN
    #10
    Depends on how many cores you assign to the VM as well.

    On my 13", I assign 2 threads (1 physical core) to a Windows 8.1 VM. Which means there's only another 2 threads left for OS X apps.

    Running Photoshop together seems to be fine, but only if in clamshell mode. VMware Fusion doesn't seem to run on the internal display well.
     

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