If you have an older Intel or AMD avoirdupois you won't have as many players as possible. The sad day is Arma is very specific on single core hybrid. For the average pc, its cool to split up that workload between your GPU and CPU, first some settings when set to physically will also result in a higher fps. So with a few grand steps you may be able to improve your FPS in Arma 3, i have done this for a few years during my Arma proclamation and for most it has made an extra of FPS and Smoothness in Arma, Strongly are not more things you can do that i grew list in this website.