Top 5 Reasons for Sony Ericsson XPERIA Duo Compared to Sony Xperia Arc 66.7% more mAH battery than Sony Xperia Arc. More battery capacity reduces the need to charge your battery again. (2500 mAH, Li-Po vs. 1500 mAH, Li-Po) 50.0% more mega pixels (MP) on main camera than Sony Xperia Arc. More main camera resolution means better picture quality and detailed photos, which will look sharp on a large screen. (12 MP, Auto focus vs. 8 MP, Auto focus) 7.1% bigger screen size than Sony Xperia Arc. The bigger the screen size is better the user experience of reading and watching movie or video songs. (4.5 Inch vs. 4.2 Inch) 5.2% Higher pixel density than Sony Xperia Arc. High pixel density shows sharper text and extremely detailed photos and videos. (245 ppi vs. 233 ppi) 200.0% More RAM memory than Sony Xperia Arc. more RAM makes your mobile significantly faster and efficient. (1.5 GB vs. 512 MB) |