Top 1 Reasons for ZTE Rio Compared to ZTE X990 4.4% Higher pixel density than ZTE X990. High pixel density shows sharper text and extremely detailed photos and videos. (167 ppi vs. 160 ppi) |
Top 1 Reasons for ZTE X990 Compared to ZTE Rio 4.2% bigger screen size than ZTE X990. The bigger the screen size is better the user experience of reading and watching movie or video songs. (2.50 Inch vs. 2.4 Inch) |