
Today I tested how much different resolution and frame rate settings in video recording affect the battery life of an iPhone. The comparison was done on an iPhone 11. Video recording was done using all current resolution and frames-per-second (fps) settings available on the iPhone: 4K Ultra HD at 24, 30, and 60 fps, 1080p Full HD (named 1080p HD on the iPhone) at 60 and 30 fps, and 720p HD at 30 fps.
