Samsung now supports 960 fps Super-SloMo, so it is time to compare all the video modes of the two competitors. Sony, for example, expands Super-SloMo to FullHD and supports 4K HDR recordings, but what about Samsung?
https://www.notebookcheck.net/Samsung-Galaxy-S9-vs-Sony-Xperia-XZ2-Overview-of-the-differences-in-terms-of-video-recording-HDR-4K-Super-SloMo.287174.0.html