If capping it stops your stuttering then that would be fine as 100 FPS is still pretty smooth. The only reason I could see uncapping it or using 144hz is if you had a Gsync or Freesync monitor and the correct card as those reduce stuttering. You should also be able to cap it at 120 which will make it a bit smoother if you think it'll hold around that FPS. Another option is dropping the graphics to limit the drops and keeping it at 144 for the smoother gameplay, this option is good for competitive shooters.