what is the difference between kindle and fire hd?
While the basic Kindle has a 167ppi screen resolution, both the Kindle Paperwhite and Kindle Oasis have a 300ppi resolution. The Fire 7 tablet has a 7-inch 1024 x 600 screen which results in a 171ppi while the Fire HD 8 has an 8-inch 1280 x 800 screen offering 189ppi.