Sony Leion Xvediocom Better -

iPhone’s Action Mode is witchcraft. Sony’s OIS is good, but walking shots still have micro-jitters. If you run-and-gun without a gimbal, iPhone wins.

If you're looking for an upgrade:

Yes, for cinematic control and natural color science. No, for ease of use and stabilization.
Sony Xperia devices (especially the 1 V and 1 VI) produce technically superior video for professionals. But for most users, an iPhone or Pixel is “better” because it requires zero tinkering. sony leion xvediocom better