Performance | Samsung Galaxy S9 and S9+


Image showing extreme close-up of the hardware inside the Galaxy S9+

Stereo speakers tuned by AKG

Experience audio

Hear the action crisper and louder on the stereo speakers tuned by AKG. They offer pure sound that's 1.4x more powerful than previous Galaxy phones.

AKG logo

Dolby Atmos

Immerse yourself in sound.

A new dimension of audio has arrived. Dolby Atmos surrounds you with three-dimensional sound, putting you at the center of a theater-like experience.

Photo of a person watching content on the Galaxy S9+

Samsung Knox

Block bad guys at
every layer.

Protect your sensitive data from prying eyes with the security of Samsung Knox. It's built into the phone from the chip up to make the Galaxy S9 and S9+ secure to the core.

Hardware Root of Trust

Secure Boot & Trusted Boot


SE for Android

Illustration showing the five layers of Samsung Knox: Hardware Boot of Trust, Secure Boot & Trusted Boot, TIMA, SE for Android, Knox Container

Knox Container

Intelligent Scan

Instantly unlock when and
where you need to.

Access your phone easily with convenient technology that combines face recognition and iris scan. When face recognition needs help, iris scan kicks in to verify you—and vice versa. So your phone can identify you even in low light.

* Accuracy of Intelligent Scan may differ depending on surrounding conditions.

Person’s face with illustrated overlays depicting face recognition and iris scan
Person’s face with illustrated overlays depicting face recognition and iris scan
Person’s face with illustrated overlays depicting face recognition and iris scan



Open with a look, a tap, a pattern, or a PIN. There's a wide range of options you can use to keep your phone locked until you want it.













The engineering you expect from Samsung Galaxy.

What's innovative to others is already a Galaxy essential. Convenient features like water resistance and wireless charging are the small things that make a big difference in your daily life.

Water and dust resistance

Make a splash with the remarkable water-resistant phone.

Don't be afraid to go out and get wet. The Galaxy S9 and S9+ have an IP68 rating, meaning you don't have to stop texting or taking photos just because it's raining.

* IP68 water resistant up to 1.5 meters from up to 30 minutes. Rinse in fresh water afterwards.

The Galaxy S9+ surrounded by splashing water
water and dust resistance on samsung galaxy s9 or s9+

Wireless charging

Charging up won’t tie you down.

Don't fumble with charging cables when you need to recharge. Place your phone on the wireless charger to power up with ease. And because it props up your phone at a comfortable angle, you can keep streaming and texting.

* Wireless charger, power cord, and adapter sold separately.
* Wireless charger requires power connection.

The Galaxy S9+ charging on Wireless Charging Stand in black

AP and RAM

Switch apps in a snap.

Get your game on, watch a tutorial or text while you stream the match. Whatever you do, it's done fluidly and quickly with the powerful mobile processor and RAM combination.

Extreme close-up image of the Galaxy S9+’s hardware

Expandable memory

Forget what it’s like to run out of space.

When you need more storage for all those photos and files, simply insert a microSD card for up to 400GB of extra space.

* MicroSD card sold separately.

* External Memory may be used to store media (photos, video, and music files) but not applications.

Close-up of Galaxy S9+ with SIM tray ejected and Samsung 256GB microSD card inserted

It's like two phones in one.

Put in a local SIM when you're on vacation and keep your home number connected with the hybrid option. Or use separate work and personal numbers on the same phone.

* SIM card sold separately.

* Availability of hybrid may vary by country or carrier.

Ejected SIM tray with two SIM cards in place

Wi-Fi and 4G

When speed is all that matters.

Say so long to buffering. Thanks to 4G speeds up to 1.2Gbps, you'll download quickly and watch live streams smoothly.

* Actual speed may vary by country or carrier.

Image depicting speed of Wi-Fi and LTE capabilities

Samsung DeX

Make the world your office.

For a desktop-like experience, turn your Galaxy S9 or S9+ into a touchpad by connecting it to DeX Pad and a monitor. Access the photos and files on your phone as well as check email, surf the internet, and more on a full-size screen.

* Using the original HDMI cable and charger included with DeX Pad is recommended.

* DeX Pad, accessories, and monitor sold separately.

* Available on selected Samsung smartphones running Android 8.0+.

Aerial view of a desk with the Galaxy S9+ connected to DeX Pad and Samsung monitor