Grey, dear friend, is all theory,
And green the golden tree of life.
Johann Wolfgang von Goethe
In practice, Samsung Galaxy is not just Samsung Galaxy.
Galaxy S4 mini, released in 2013 with Android 4.2.2 (Jelly Bean), upgradeable to 4.4.2 (KitKat); SoC: Qualcomm MSM8930AB Snapdragon 400.
Galaxy S7, released in 2016 with Android 6.0 (Marshmallow), upgradable to Android 8.0 (Oreo), TouchWiz UI; SoC: Samsung Exynos 8890 Octa