333.3% more mega pixels (MP) on main camera than MTS Buzz X121. More main camera resolution means better picture quality and detailed photos, which will look sharp on a large screen. (1.3 MP vs. 0.3 MP)
17.6% bigger screen size than MTS Buzz X121. The bigger the screen size is better the user experience of reading and watching movie or video songs. (2 Inch vs. 1.7 Inch)
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