There are huge changes in the physical design and material choices between the Galaxy Note 4 and its predecessor the Note 3. Not only did Samsung make the big step towards a premium feel with a metal chassis, it also toned back the fake leather back to remove stitching and refined the overall look to feel more cohesive. No matter the color choice, the Note 4 is undeniably a better looking device.
The best way to show off the differences are some nice side-by-side pictures of the Note 4 and Note 3, and of course we have a nice grouping of them to show off. Read along and see the fine differences in designs between the Galaxy Note 4 and Note 3.