2 Replies Latest reply: Nov 14, 2013 5:49 AM by scofal
scofal Level 1 (0 points)



I'm hoping someone could offer a suggestion


I bought a new 27" imac, with the 780m I have 24Gb ram and I loaded windows 7 via bootcamp.


I loaded Battlefield 3 and was in the middle of playing the single player campaign. All was working great, I was running ultra 1080 @ 55-60 fps or ultra 1440p at around 30-35 fps. The game run really smooth with no lag or stuttering.


After not playing the game for about a week (because I've been using parallels to access windows) I fired up the imac in windows 7 via bootcamp and Battlefield 3 just stutters. It goes from 60 fps to 2 back to 60 every 5 or 6 seconds. It really makes the game almost unplayable.

I've tried some tricks like making the prerendered frames equal to 1 but that didn't help.


I made 2 changes that I can think of but I don't know if either of these things would cause the stuttering problem.

  • The first change I made was upgrading to Mavericks, but I don;t know if that would effect the Windows partition (I booted 100% into windows so Mavericks wasn't loaded at all)
  • I added a Time Capsule as my backup and wifi network. I turned off the wireless router of my cable modem and now I use the time capsule exclusively for wireless internet access. (Although I've only been playing the single player game so I don't know if that would have anything to do with it.)


I am new to the mac and there might be a simple thing that I just don't see. It ran great for the first couple weeks but now it stutters horribly.

Any help is really appreciated!



iMac, iOS 7.0.2
  • carrpin Level 1 (0 points)

    Sorry no answer for you  . I am contemplating buying a new iMac and want to know if it will run Battlefield 3  via bootcamp and Win &  without any issues. It would come with Maverick as it is  new  aand  fusion drive and 16gb  ram .

  • scofal Level 1 (0 points)

    I also have a fusion drive and my windows is home premium so it only uses 16GB ram.


    Battlefield ran great the first 2 weeks but now it stutters like mad. I may try and un-install and re-install it and see if that works.

    The specs on the imac runs the game really smooth, but there is just something going on with my set-up.


    I'll play around this weekend and write back if I fix it.