146.2% more mega pixels (MP) on main camera than Hi-Tech HT-555 Vision. More main camera resolution means better picture quality and detailed photos, which will look sharp on a large screen. (3.2 MP vs. 1.30 MP)
16.7% bigger screen size than Hi-Tech HT-555 Vision. The bigger the screen size is better the user experience of reading and watching movie or video songs. (2.80 Inch vs. 2.4 Inch)
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