Samsung sources components for the Galaxy S7 phones from several places - Samsung hardware (Exynos chipset and ISOCELL camera) and outside (Qualcomm Snapdragon chipset and Sony IMX camera). We already saw that the cameras do have some differences, but no clear winner in quality. What about the chipsets? From our tests we've seen that the Snapdragon 820 has an advantage in single-core CPU tests and GPU benchmarks, while the Exynos 8890 leads in multi-core tests. The test consists of two "laps" the first time around is a cold test that looks how quickly apps are loaded from storage....
Source: http://www.gsmarena.com/samsung_galaxy_s7_exynos_8890_vs_snapdragon_820_speed_test-news-17429.php
