According to multiple reports, Honor has settled on a new Qualcomm SoC for two of the three devices in its upcoming 50 series. Qualcomm briefly listed the SoC in question before removing it, but Honor is expected to use the Snapdragon 888 on the 50 Pro Plus.
https://www.notebookcheck.net/The-Honor-50-and-50-Pro-could-be-the-first-smartphones-with-a-Snapdragon-778G-SoC-Honor-tipped-to-use-flagship-chipset-on-the-50-Pro-Plus.539845.0.html