Above you can see the RX10m4 tour video from Gary Fong. Below you can see the Touch Focus test from Hugh Brownstone and few more tests:
The insane 24fps continuous shooting on Sony’s new RX10 IV pic.twitter.com/K8aR8Z3IJP
— Edgar Alvarez (@abcdedgar) September 12, 2017
Hands-on pictures at Dpreview.