Weibo leaker Digital Chat Station stumbled upon an early Qualcomm Snapdragon 898 engineering sample. It was 20% faster than its predecessor, but the chip ran quite hot. Qualcomm is expected to unveil the Snapdragon 898 sometime in December 2021.
https://www.notebookcheck.net/Snapdragon-898-engineering-sample-promises-20-faster-performance-but-thermals-continue-to-remain-a-problem.554876.0.html