The picture above shows both the Galaxy S8 and Galaxy S8+ side by side. But the interesting things are the sensors at the top bezel. The sensor for facial recognition is cleraly next to the selfie cam. Then you can see the phone earpiece
The traditional hardware buttons are replaced by virtual ones. The fingerprint scanner is now on the back of the phones.
Despite there were 3 colors mentioned before for the smartphones Black Silver and Violet, now you can notice also on the picture the classic White of Samsung and a Gold color option too.