game feels diffrent in diffrent accs

so ive been having an issue since i made this account and it is the gameplay nothing feels as smooth even tho i made sure its identical settings the older acc feel way smoother the sens and the ingame accelration feels way way better in there but the new acc nothing feels as good and it made my preformance so bad i looked it up on reddit and found old posts describing exactly what im having its not an fps issue not internet i dont know what is even changing network buffering didnt do it for me