Top 2 Reasons for Karbonn K515 Compared to Bloom Duplex D501 10.5% more mAH battery than Karbonn K515. More battery capacity reduces the need to charge your battery again. (1050 mAH, Li-ion vs. 950 mAH, Li-ion) 10.0% bigger screen size than Karbonn K515. The bigger the screen size is better the user experience of reading and watching movie or video songs. (2.2 Inch vs. 2 Inch) |