Depends on game actually.

If you are playing a quake engine based game, there will be no calculations, as the sensitivity in quake based games is based on the angle the charecter turns

would you happen to know if this would be the same for CoD 4 aswell? I know that the engine they use for that game is slightly related to the q3 engine so not sure if they wouldve changed that or not?

thanks for any insight.

its the same for cod4

same goes for unreal engine, the sens is based on character turn aswell

The game in question is UT2004. Must be placebo effect my sense feels different at the higher res.

Thanks for the help you 2.

it feels different because you see it move @ more pixels. but it's the same ammount of cm for a 360.

would this also be the same for changing FOV in unreal games too?

not in UT, but in 2k4, and ut3 i believe, yes..