There are two sizes: the Galaxy S8 and the Galaxy S8+.
The S8 has a nearly bezel-less, buttonless design.
It's even slimmer than the S7 – but by just 1.5 millimeters.
The display's resolution features nearly half a million more pixels than the Galaxy S7 and S6.
The most significant update is Bixby, an intelligent personal assistant built into the phone.
A side button is dedicated to Bixby. Press the button to activate the assistant.
There's also a new app called Bixby Home that includes information like email notifications, events, step tracking, and weather status.
Samsung Dex is a portable dock accessory that can essentially turn the Galaxy S8 into a computer.
Here is the phone running two apps side-by-side with Samsung Dex:
This speaks to the power of the device's default internals.
It's powered by a 10-nanometer, 64-bit octa core (one 2.3GHz quad-core and one 1.7GHz quad-core) processor designed to produce higher performance while consuming less power.