They are both 6 - inch with a 300 pixel per inch resolution. (knowyourmobile.com)
The display uses the same 6 - inch, 167 - pixel - per - inch resolution touch screen as the last Kindle, which looks fine, but it's nowhere near as sharp as the 300ppi screen on the Kobo Glo HD, Kindle Oasis, Kindle Paperwhite, or Kindle Voyage. (pcmag.com)
Screen is of 5 inch resolution possibly with WVGA or qHD screen resolution. (gogi.in)