The Samsung Galaxy S8 is the last one Samsung's top of the range. It was announced in march and came out mid april 2017. It is différent from the previous generations as the home button is missing as well as a screen that occupies 80% of the smartphone's front face. It screen is 5'8 inch, the size of the whole Galaxy S7 Edge.
The Galaxy S8 has an Exynos 8895 Samsung processor and an ARM Mali G71 graphic card with a 4GB RAM.
It has a double rear camera of 12Mpx and 9Mpx and front camera of 8Mpx, as well as a finger print sensor. It has a 64 GB memory expandable via microSD. It's cost when it first came out was 809 euros.
The Galaxy S8 can be recognized thanks to its design totally different than previous Galaxy generations, especially thanks to its screen that covers almost the whole front surface of the phone.
You can also look for the model number that can be found in the settings or on the rear case.