Although smartphones that can shoot 4K video have been around since 2013 when Qualcomm launched the Snapdragon 800 chip series, it was only in 2015 that 4K video capture became a must-have feature for high-end smartphones.
At its origins, 4K is a term that defines a resolution of 4096 by 2160 pixels at an aspect ratio of 16:10, but since 16:9 is the standard aspect resolution for smartphone camera sensors, manufacturers market 4K videos as having a resolution of 3840 x 2160 pixels.
While some argue that 1080p videos offer sufficient ...
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