The South Korean electronics giant released two versions of the device: a 5.9-inch S9 and 6.2-inch S9+. Both feature an almost bezeless display that was introduced on the S8 last year.
Samsung said pre-orders for the devices began Sunday with general sale on March 16.
Key features include:
- Dual lens 12-megapixel front camera and 8-megapixel front-facing camera
- Improved features for Samsung's smart assistant Bixby
- Speakers that give a surround sound-like experience
- Wireless charging
- Headphone jack
Samsung focused it's unveiling on the bolstered camera. It has a feature that lets users take clear pictures in very low light by taking 12 photos at once and stitching them together to form a crisp image.
Another key camera feature is super slow motion video.
Samsung also launched a feature called AR Emoji, which allows a user to take a selfie and turn it into their own custom emoji. The camera can track a person's face and mimic their facial expression on the digital version of themselves too.
AR Emoji rivals Apple's iPhone X feature called Animoji. These are animated characters that mimic a person's face when they move it. Samsung's offering is different because it allows a person to create an emoji version of themselves.