The Samsung Galaxy S9 comes in slightly different variants, depending on which part of the world it was intended to be sold in. Whereas the version designed for the US market comes with a Qualcomm Snapdragon 845 chip inside, Galaxy S9 devices sold internationally all feature Samsung's Exynos 9810 chips instead. Many consider the Exynos devices superior due to their edge in performance (and better development), but others prefer them because they're the only version that can be purchased with dual-SIM support.

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