The Mega 2.5D is powered by a 2,500mAh battery which gives the Redmi 3S an upper hand as it has a 4,100mAh battery. The common pointThe Coolpad Mega 2.5D runs on the latest available (Marshmallow) version of Android with their proprietary Cool UI 8.0 on top of it. Battle of screen sizesWhile the Coolpad Mega 2.5D has a 5.5-inch display, it has a resolution of 1280x720p only, which means a lower pixel density of 234ppi. After impressing with Note 3 and its variants, Coolpad has come up with a big-screen smartphone called the Mega 2.5D. Despite the big size, the Mega 2.5D weighs only 140g and is slightly lighter than the Redmi 3S’s 143g form.

Source: Mint August 11, 2016 11:15 UTC