Samsung Galaxy J5 has a capacitive touch screen which is more responsive than a resistive (not so sensitive) touchscreen.
Around 16% faster CPU than Samsung Galaxy J5. Faster CPU means more smooth experience.
Around 33% more RAM than Samsung Galaxy J5. More RAM means more applications can run at the same time, which makes the device faster.
Xiaomi Redmi 3S is VoLTE Enabled. You can use this to make calls over 4G network. It is compatible with Reliance Jio.
Around 100% more inbuilt memory than Samsung Galaxy J5. More memory allows you to store more songs, videos, photos and install more applications.
Around 57% more Battery Capacity than Samsung Galaxy J5. With more battery size, device's battery can generally last more time, though it depends on various other factors too.