By most indications, the Exynos 2200 isn't a big upgrade on the Exynos 2100 in peak performance terms. It appears that Samsung has managed to make its new flagship chipset rather stable, though—even more so than the Snapdragon 8 Gen 1, it appears.
https://www.notebookcheck.net/Exynos-2200-vs-Snapdragon-8-Gen-1-Early-sustained-performance-tests-throw-up-conflicting-results.598733.0.html