The display technology of Kindle 6" Glare-Free Touchscreen (which is basically Basic Kindle), Kindle Paperwhite, and Kindle Voyage are same for certain feature and different for others. Like in the case of viewing in sunlight, all the three have a glare-free screen, which enables them to read clearly even in Sunlight. But the screen resolution of basic Kindle is different from the other two. As basic Kindle only has a resolution of 167 ppi, Kindle Paperwhite and Voyage have a resolution of 300 ppi, making the text crisper and clearer, enabling to read with ease for longer hours.
Kindle 6" Glare-Free Touchscreen
Another difference is that basic Kindle comes with a Pearl E-Ink screen technology while Paperwhite and Voyage come with Carta E-Ink screen that provides a better view with higher resolution.Another plus is that Paperwhite and Voyage have built-in light feature, which enables reading even in darker places. But the better of the two is Kindle Voyage with where the lighting is spot-free across pages and doesn’t bleed like that of Kindle Paperwhite.