If you don't see the difference, then your game is too slow or doesn't render enough frames (>= 100) per second.
99.999 percent of people will never notice or care.
...until one of them gets IP banned on a popular website/game, and brings down all others.
"Would I turn on the gas if my pal Mugsy were in there?" "You might, rabbit, you might!" -- Looney Tunes, Bugs and Thugs (1954, Friz Freleng)