The OnePlus 8 Pro has been visiting Geekbench on a regular basis over the last few days. The listings offer a clear idea of what performance to expect from OnePlus' next flagship, and the Oppo Find X2 Pro has the edge as things stand. It looks like India is getting a 12 GB SKU, too.
https://www.notebookcheck.net/Geekbench-confirms-12-GB-RAM-OnePlus-Pro-model-for-India-as-upcoming-flagship-falls-short-of-the-Oppo-Find-X2-Pro.459869.0.html