According to images allegedly derived from the Chinese regulator TENAA, the Red Magic 5G will be a considerable departure from the rest of its series in terms of rear panel design. Its new putative certification may also reveal the size its 144Hz display will be, as well as how big its battery will be.
https://www.notebookcheck.net/Nubia-s-Red-Magic-5G-has-had-its-screen-size-and-interesting-colorway-leaked.454657.0.html