The iPhone Is Literally Four Times as Powerful as the Curiosity RoverLeslie Horn8/06/12 12:00pm196EditPromoteDismissUndismissHideGo to permalink Last night NASA landed on Mars. An amazing feat! But guess what? The Curiosity rover's on-board computer is a pretty low-power system. In fact, the iPhone 4S is four times more powerful. Check out the specs below.