With Panasonic S5, you can record your videos at a highest resolution of 3840 x 2160 at 60p,50p, 30p, 25p, 24p fps with bit rates up to 200 mbps and save in MPEG-4, H.264 and H.265 formats. This means that Panasonic S5 provides 4K (Ultra-HD) video. Except some rare 6K and 8K video recording cameras, 4K is the common standard in consumer video world.It is also a big step up from its predecessor which has a max video resolution of only. If you are thinking of upgrading your and shoot a lot of video, this is a big factor to consider in favor of S5.
A great advantage of Panasonic S5 while shooting video at max resolution of 4K (UHD) is that there is no crop factor so you can use your lens with its actual focal length.
S5 has a built-in Stereo microphone and a Mono speaker. Panasonic S5 also has a port for an external microphone and a headphone port for connecting external headphones which make Panasonic S5 a very suitable camera high quality videography.
Panasonic S5 also features an Digital Video Stabilization mode where videos are stabilized in-camera while you are shooting. Keep in mind that this effect may crop your videos a little bit and doesn't help stabilizing still images. This kind of video stabilization effect can be replicated by using some of the advanced video editing softwares in your PC.
4K Photo Mode
Utilizing its 4K Video recording abilities in a creative way, Panasonic S5 sports a 4K Photo Mode where you can capture 8 MP photos from 4K videos.
Using a software such as Adobe Lightroom on your PC or in-camera function, you can review the 4K video frame by frame and extract the image that you like the most.