A possible Snapdragon 870 processor has been spotted on Geekbench as part of a Vivo V2045 device. The recorded single-core and multi-core scores reveal decent gains of up to +18% over the Snapdragon 865. The "Snapdragon 870", which might be basically an overclocked SD865, wasn't too far behind the Snapdragon 888 on this benchmark.
https://www.notebookcheck.net/Possible-Snapdragon-870-in-Vivo-V2045-smartphone-shows-up-to-18-performance-gains-over-Snapdragon-865-in-Geekbench-and-holds-up-well-against-Snapdragon-888.515274.0.html