Two separate sources have confirmed that a Qualcomm Snapdragon 765G SoC will power the upcoming OnePlus Nord. The first one is OnePlus' co-founder Carl Pei, and the other is Qualcomm. The phone will be released in India on July 10th.
https://www.notebookcheck.net/The-OnePlus-Nord-will-come-with-a-5G-ready-Snapdragon-765G-SoC.478576.0.html