A Kindle eReader is designed for reading digital books and other text-based content. It is lightweight, energy-efficient and easy on the eyes, with features such as a built-in adjustable backlight and a paper-like display. A tablet is a multi-purpose device used for a variety of tasks, including web browsing, gaming, watching movies, taking photos and more. It typically has a touchscreen display and runs on a full operating system like Android or iOS.