The Lumix DMC-GH4M supports a maximum video resolution of 4096 x 2160 pixels. That's 7% more video resolution than a 3840 x 2160 pixels camera, which is the most frequently found video resolution supported by comparable spec cameras that have been available for around the same time as the Lumix DMC-GH4M. 3840 x 2160 pixels is also supported by this camera. In addition, this Panasonic digital camera support a video resolution of 1280 x 720 pixels and 1920 x 1080 pixels.
This camera's video resolution (4096 x 2160 pixels) is in fact the best supported video resolution amongst all cameras that have been available for a similar time to the Lumix DMC-GH4M.
Amongst comparable types of camera the worst supported video resolution is 320 x 120 pixels.