The top bezel is both thin and very busy - just look at all those sensors. Part of that is likely the facial recognition hardware next to the usual selfie cam, earpiece and sensors. In contrast, the bottom bezel is perfectly clean, the traditional hardware buttons replaced by virtual ones.
The on-screen buttons have an unusual design and will reportedly be customizeable. The fingerprint also had to find a new home, it now lives on the back.
Give me my LG G6 on Red carpet instead
I don't think it is authentic at all - the icons haven't changed on the launcher at maybe this is just me, but the white one (the S8) has a bit of a chinese look to me...
That was you intention all along.