According to DxOMark, the Galaxy S22 has differing battery life, depending on whether you purchase an Exynos 2200 or Snapdragon 8 Gen 1 model. In certain scenarios, the Snapdragon 8 Gen 1-powered edition achieves significantly longer runtimes than its Exynos 2200 counterpart.
https://www.notebookcheck.net/Samsung-Galaxy-S22-Snapdragon-8-Gen-1-model-tends-to-last-longer-in-battery-life-tests-than-Exynos-2200-equivalent.616424.0.html