16GB vs 32GB for 4K monitor

Discussion in 'Mac mini' started by ncrypt, Jun 10, 2019.

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16GB or 32GB RAM?

  1. 16GB

    8 vote(s)
    80.0%
  2. 32GB

    2 vote(s)
    20.0%
  1. ncrypt macrumors 6502

    Joined:
    May 16, 2012
    Location:
    UK
    #1
    I have a 2018 i5 Mac mini with the standard 8GB memory connected to a 4K monitor. Sometimes the UI is a little sluggish and just not as snappy as my MacBook Pro so I'm thinking of upgrading the amount of memory.

    My main use is general web browsing (several windows with several tabs), occasional light photo editing in either Pixelmator Pro or Photoshop, and I'm starting to learn how to use Xcode.

    Is going to 16GB enough or should I just bite the bullet and go to 32GB?
     
  2. Fishrrman macrumors P6

    Fishrrman

    Joined:
    Feb 20, 2009
  3. Cheapassmac macrumors regular

    Joined:
    Nov 5, 2018
    #3
    I also second the 16gb choice. You're not going to notice the benefit of 32gb. If you decide to do heavy rendering or video editing, then you might benefit.
     
  4. chrfr macrumors 604

    Joined:
    Jul 11, 2009
    #4
    RAM makes no difference in display performance.
     
  5. oppastopa macrumors newbie

    Joined:
    May 25, 2019
    #5
    this is not true
     
  6. chrfr macrumors 604

    Joined:
    Jul 11, 2009
    #6
    In this case, it absolutely is.
     
  7. Cheapassmac macrumors regular

    Joined:
    Nov 5, 2018
    #7
    I wasn't going to chime on this, but the mac mini uses integrated graphics which uses regular system memory. If this user was having RAM bottlenecks, then yes, adding RAM would literally improve the display/graphical performance as the OS allocates RAM on a dynamic basis.
     
  8. kohlson macrumors 68000

    Joined:
    Apr 23, 2010
    #8
    I have a Dell P2715Q 4K monitor. I generally run at 1440p. I have connected a few different MBPs to it. My late 2013 15-MBP with GT750M works just fine. A 2014 15-MBP (iGPU) is definitely laggy. Not terrible, but noticeable. Same with mid-2014 13-MBP (iGPU). All 3 systems are configured with 16GB.

    Have you used Activity Monitor to check RAM usage? Have you connected another, less-demanding monitor?
     
  9. djc6 macrumors 6502a

    djc6

    Joined:
    Aug 11, 2007
    Location:
    Cleveland, OH
    #9
    I have two LG 27UD58P-B 4K displays on my 2018 Mac Mini with 16GB - works fine, I don't notice any lag. I am even using scaled resolutions.
     
  10. ncrypt thread starter macrumors 6502

    Joined:
    May 16, 2012
    Location:
    UK
    #10
    Thank you everyone, looks like 16GB is the way to go! 32GB does sound a bit overkill
     
  11. NaimNut macrumors member

    NaimNut

    Joined:
    Oct 28, 2017
    Location:
    Toronto
    #11
    I have the LG4KUF & 16g ram and have no problems with lag
     

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10 June 10, 2019