Single core focused engine
so imo i3 6100 is good enough
i5 should give a better performance
i7 will help with multiple clients but single client performance won't go up drastically
Running i3 6100 + gtx 1050 TI OC here
20fps in mass pk full settings
150 fps at arena idle
You might want to reduce effects on vortex though, that, for some reason, kills FPS (guess textures are too high reso compared to the other skills)