The Galaxy S7 Edge is slightly taller and wider than the S7, but not by much. But the biggest difference with the Edge are those elegant, curvy sides. This is a great-looking phone. Both the S7 and S7 Edge combine built-in defense-grade security and powerful productivity. Runs Android 8, Snapdragon 820/Exynos 8890 processor, 4GB RAM and built-in 32GB storage with microSD expandability.