Even equipped with only 6 GB of RAM, the Surface Duo manages to beat Samsung's Galaxy Fold and Z Flip models, and for reference, it also beats the Exynos version of the Galaxy Note 20 Ultra. Now, the launch version of the Surface Duo is expected to get 8 GB of RAM, so we could be seeing further performance gains.
https://www.notebookcheck.net/Microsoft-s-Surface-Duo-beats-all-of-the-currently-available-Samsung-foldables-in-latest-Geekbench-tests.488928.0.html