60hz screens update every 16.7 ms. So if you add 10 ms to your frame time you will probably miss that 16.7 ms window. Almost all can see the difference between

60hz screens update every 16.7 ms. So if you add 10 ms to your frame time you will probably miss that 16.7 ms window. Almost all can see the difference between 60 and 120 fps. Most probably don't care though.