An in engine, real-time cutscene. It's indicative of the visuals we can expect from next generation only AAA games on XBsX.
Anyone can look at the best looking games of this gen, their real time cutscenes and see there's not much between them. These same incredibly impressive games were built around either a 1.3 or a 1.8tflop GPU with an absolutely deplorable low end laptop CPU and a terrible storage drive which is extremely slow and constraining to development.
These CPU and drive speed shackles are about to be completely broken in the coming years along with the bonus of more, faster RAM and a GPU on the level of 10x+ the computation power of the original base consoles as the XBsX GPU is about 17tflops when compared with the standard XB1's 1.3tflops. PS5around 15tflops when compared with the standard PS4's 1.8tflops.
AAA visuals are about to reach the realm of movie quality CGI. Strap in