The Samsung Galaxy S8 and Galaxy S8 Plus launch today

The Samsung Galaxy S8 and Galaxy S8 Plus

March 29 in Newyork city.
And Galaxy S8 release date April 21,Galaxy S8 pre-order date April 7 or April 10.
It will feature Samsung's new AI assistant, Bixby.It will use Samsung's revised eight-point battery testing procedure
Samsung will leave more space inside for the battery
given below is what we think we’ll see from the Galaxy S8,based on all of the leaks so far:

 
                          Samsung Galaxy S8                 Samsung Galaxy S8+
Screen                     5.8 inches                      6.2 inches

Display Resolution          1,440 x 2,960                   1,440 x 2,960

Aspect Ratio                    ~18:9                        ~18:9  

Chipset              Snapdragon 835 OR Exynos 8895     Snapdragon 835 OR Exynos 8895
       
Memory                 4GB                              4GB

Storage                       64GB                          64GB

Main Camera           12-megapixel (DualPixel)f/1.7 12-megapixel (DualPixel)f/1.7

Front Camera         8-megapixel – f/1.7                 8-megapixel – f/1.7

Battery Size                    3,000mAh                  3,500mAh

Charging                       USB Type C                         USB Type C

Fingerprint Scanner               Yes                             Yes

Iris Scanner                      Yes                             Yes

Waterproofing         Yes (IP68 Certified)             Yes (IP68 Certified)