The results surprised us.

Samsung’s Exynos processors have never quite been able to live up to their Snapdragon counterparts. Whether we’re talking about the 990 in the S20 or the 850 in the A21s, Qualcomm’s chips have always enjoyed a comfortable lead when it comes to power and performance.

That might be changing with the newest Exynos 2100 processor that powers the Galaxy S21 phones around the world.
…
Continue here:
https://www.pcworld.com/article/3604683/samsung-galaxy-s21-exynos-vs-snapdragon-performance-benchmarks-gfxbench-pcmark-geekbench.html