Is putting my dpi higher then lowering my sens better? Like right now I play on 800 dpi at .3 is there a difference if I put my dpi on 4000 then put 0.06 in game sens? Is anything smoother or is it just the same

About 2 updates ago, my fps dropped from 144 to 59 which is a drastic drop. I have also recently experienced game latency of 60ms and higher pretty consistently which seems to have started after recent server maintenance. I do not belive an...