The 5 - inch form factor makes the device ideal for one - handed usage. (androidcentral.com)
The 5.8 inch form factor does not make it easy to reach it. (themrphone.com)
The updated Kindle Fire HD keeps the same 7 - inch form as the previous model, and is supplied with an upgraded 1280x800 display, a faster dual - core 1.5 GHz processor, dual stereo speakers with Dolby Digital Plus, a slimmer design mimicking the HDX range, and dual - band Wi - Fi. (macnn.com)