Recently, CD PROJEKT RED hosted a live stream for Cyberpunk 2077, which also revealed a new gameplay and a video of the gameplay. The gameplay video shows the real-time ray tracing functionality and was recorded on the PC with a GeForce RTX 2080 Ti. Of course, we don't want to withhold this from you:
Of course, one can only speculate about the final performance and scaling on smaller cards. Best of all, you form your own opinion.