Many people cant notice the difference some do. Same with other stuff but lets not get into that.
Or compare these two:
http://www.youtube.com/watch?v=G-zVKb2D_Gw
http://www.youtube.com/watch?v=tKlcEz396I0
Maybe its really just...
Or compare the game Sleeping Dogs and tell me which one you think feels snappier and smoother
http://www.youtube.com/watch?v=r6Aj5hiSpLE
http://www.youtube.com/watch?v=TJu5B7JP9Hk
Or just for the kicks compare these two:
http://www.youtube.com/watch?v=pPQ8C0Lm6Q8
http://www.youtube.com/watch?v=Q1MRllZgu_U
Its funny that the guy with 560ti feels kinda smoother. But its not jus the graphics "issue" as i noticed...
For example:
http://www.youtube.com/watch?v=9or8tcV4GgA
http://www.youtube.com/watch?v=nR-f0LfLZQQ
And again the guy has Asrock mobo again that appear to be more sluggish lol.
Also dont compare hardware as i can post some examples...