The iPhone 12 Pro Max will have a 120 Hz screen and a LiDAR camera, according to new leaks by Jon Prosser and Everything ApplePro. There is even a video showcasing the two features, cementing the validity of the leak somewhat. The iPhone 12 Pro Max will be the first iPhone to support either technology.
https://www.notebookcheck.net/120-Hz-refresh-rate-adaptive-refresh-and-LiDAR-camera-options-showcased-in-Apple-iPhone-12-Pro-Max-leaks.489632.0.html