3 ms·The difference in user experience is really small.by RivieraKid 14y agoThe difference in user experience is really small.rimantas 14y agoHaving in mind that most of it experienced while looking at the screen the difference is huge.mtgx 14y agoBy being one row taller?pettazz 14y agoThe 3GS didn't have the higher resolution screen; that didn't come out til 4.