Differences are very noticeable in the Official Launch Trailer too:
Here it's just a bit better light balance and color grading (that or they did a really great cherry picking job) and above all, tons of motion blur everywhere:

Just with that, the game already looks much better. But then in ALL real gameplay videos, there isn't any of this motion blur to be found. Neither during gameplay nor in Replays. 🤷‍♂️