Top 4 Reasons for Celkon A66 Compared to Celkon A15 42.9% more mAH battery than Celkon A15. More battery capacity reduces the need to charge your battery again. (2000 mAH, Li-ion vs. 1400 mAH, Li-ion) 28.6% bigger screen size than Celkon A15. The bigger the screen size is better the user experience of reading and watching movie or video songs. (4.5 Inch vs. 3.5 Inch) 32.1% Higher pixel density than Celkon A15. High pixel density shows sharper text and extremely detailed photos and videos. (218 ppi vs. 165 ppi) 100.0% More RAM memory than Celkon A15. more RAM makes your mobile significantly faster and efficient. (512 MB vs. 256 MB) |