What to buy? Galaxy s8 or iphone 7

Check the complete comparasion review Design, Display, Features
Samsung Galaxy S8 & S8 Plus Better VS iPhone 7 & 7 Plus?

iphone x

All screen. Introducing Face ID so you can unlock with a look.
A11 Bionic, the most powerful and smartest chip ever in a smartphone. Radically new cameras with Portrait Lighting. Wireless charging, . A new, durable glass design. 2. Portrait Lighting on iPhone 8 Plus. 3. Wireless charging. 4. A11 Bionic, the most powerful and smartest chip ever in a smartphone. 5. Even better cameras. 6. Water resistant. 7. New Retina HD display. 8. Augmented reality.