A OnePlus 7T sporting an octa-core processor has apparently been spotted on the Geekbench 5 benchmark. The device in question amassed very respectable scores in both the single-core and multi-core tests, generally outperforming the OnePlus 7 Pro by a small margin. The OnePlus 7T is expected to come with a Qualcomm Snapdragon 855+ SoC.
https://www.notebookcheck.net/Alleged-Geekbench-5-OnePlus-7T-record-gives-the-OnePlus-7-Pro-a-good-run-for-its-money.435004.0.html