700p is a CDMA (Sprint, Verizon, Alltell and a few others) phone supporting high speed data via EVDO. Also has 1.3mpx camera module.
680 is an EDGE (Cingular, TMobile and many others) phone that does not support the GSM equilevant of high speed data (UMTS/HSDPA). It has a .3mpx camera - same as the 650. It also has slightly more user memory available, upgrade phone application, and increased stability. |