PDA vs. Smartphone — What's the Difference?

A lightweight handheld digital device that functions as a personal computer.

A smartphone is a portable device that combines mobile telephone and computing functions into one unit. They are distinguished from feature phones by their stronger hardware capabilities and extensive mobile operating systems, which facilitate wider software, internet (including web browsing over mobile broadband), and multimedia functionality (including music, video, cameras, and gaming), alongside core phone functions such as voice calls and text messaging.

A lightweight consumer electronic device that looks like a hand-held computer but instead performs specific tasks; can serve as a diary or a personal database or a telephone or an alarm clock etc.

A cellphone having a touchscreen or alphabetic keypad and many of the features of a personal computer, including an operating system that allows the user to download specialized apps.

A mobile phone with more advanced features and greater computing capacity than a featurephone.