It can't be that intensive considering Apple's done that parallax homescreen effect since like iOS7. Also when you're in the Safari tab overview, it reads the g

It can't be that intensive considering Apple's done that parallax homescreen effect since like iOS7. Also when you're in the Safari tab overview, it reads the gyroscope to do a 3D effect where the tabs tilt forwards/backwards. Probably a few other areas I'm not thinking of too.