The 4S has smaller screen, and is only 3G data. The 5 has a bigger screen and is much faster in both processor and data, with 4G LTE. The 5C is a plastic version of the 5 and is slightly heavier.
thank you very much now my brain can go do something else I appriciate the time you took to answer this brain fart for me
thank you so much !! Those facts aren't included in the advertising !!! Bless your heart and thank you for taking the time to help this young old grandmommy out