AnTuTu has reportedly tested a device with the Snapdragon 865 SoC and a novel Realme model number. This has led to speculations that a true X2 Pro successor is in the works. If so, it might join the X3 and X3 Super Zoom variants on its launch.
https://www.notebookcheck.net/Realme-X3-series-another-potential-contender-shows-up-via-leaked-benchmarked-scores.464410.0.html