Realme has registered new devices with the regulator TENAA, which has led to speculation that both are variants of the GT Neo3, as they only differ in terms of battery size. They are also now said to be powered by a new Dimensity processor, and to be the first phones from Realme to launch with its new charging speed, currently slated to go up to 150W.
https://www.notebookcheck.net/The-Realme-GT-Neo3-will-be-the-phone-to-debut-its-OEM-s-fastest-charging-technology-yet.604457.0.html