New tests have now revealed performance and efficiency metrics of both the Cortex-X2 and Cortex-A710 cores on the Snapdragon 8 Gen 1 and Exynos 2200, along with similar cores on chipsets like Google's Tensor, the Snapdragon 888, and the Snapdragon 870.
https://www.notebookcheck.net/Exynos-2200-vs-Snapdragon-8-Gen-1-Efficiency-tests-indicate-a-CPU-generational-downgrade.604701.0.html