When i want to compare 2 surface or 2 line 

 in NX we have refresh command if 2 line are not smooth show, zoom max and press refresh , 2 line in smooth and exactly show

i think one of part  it is depend on graphic card, but this i am using graphic card ok ,it is not so strong but enought to smooth show (rtx A1000 6GB)

Please may help me : how i show in smooth, exactly in solidwork when i zoom max to check,