How 4K Cameras Compare to 4K Video from Your Smartphone
 

With the addition of 4K video recording on smartphones like the iPhone 6s and Samsung Galaxy S6 this year, many consumers have been left wondering what all the fuss is about. What makes a 4K video so much better than 1080p, and how is the camera on the back of an iPhone any different from a 4K camcorder from Sony or Nikon?

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