Source: https://phalaps.com/samsung-galaxy-s9/

The Samsung Galaxy S9+ features a 6.2 inches display and Super AMOLED Capacitive touchscreen with 16M colors screen which makes the phone quite comfortable when held; it has 1440 x 2960 pixels, ~ 531 PPI and up to 83.8 % screen to body ratio. And the display supports multitouch.
It sports dual rear camera type of 12.0MP with Geo-tagging, phase detection, autofocus, OIS, LED flash, simultaneous 4k video and 9 MP image recording, smile detection, Auto HDR and panaroma. It sports 8 MP selfie camera.
The Samsung Galaxy S9+ operates on Android 8.0 operating system. It has a octa-core CPU. It comes with 128 GB internal memory and a RAM of 4 GB for maximum multitasking. The phone features a Li-Ion battery pattern of 3000 mAh and it is non-removable.

BODY Dimension (mm) - 157.7 x 73.8 x 8.5 mm
colours - Black
Body Protection - IP68 certified dust and water proof of over 1.5 meter and 30 minutes
Body Material - Corning Gorilla Glass 5

DISPLAY Display Type - Super AMOLED capacitive touchscreen, 16M colors
Display Size (inches) - 6.2
Display Resolution - 1440 x 2960 pixel
Display Colours - 16 M
Display Protection - Corning Gorilla Glass 5
Pixel Density - 531
Screen to Body Ratio - 83.8 %

CAMERA Rear Camera - Dual 12 MP
Rear Camera Features - Geo-tagging, phase detection,, autofocus, OIS, LED flash, simultaneous 4k video and 9 MP image recording, smile
detection, Auto HDR and panaroma
Video Resolution - 2160p@30fps
Front Camera - 8 MP
Front Camera Features - Autofocus, Dual video call, Auto HDR

PLATFORM Operating System - Andriod 8.0
Chipset - Qualcomm Snapdragon 845
CPU - Octa core


MEMORY RAM - 4/6 GB
Internal Memory - 64/128 GB
Card Slot - Yes, upto 256 GB

CONNECTIVITY Technology - GSM/ HPSA/ LTE
WLAN - Yes
Bluetooth - Yes
GPS - Yes
Radio- Yes
USB - Yes
Earphone Jack (3.5mm) - Yes
SIM - Single Nano SIM or Hybrid Nano Dual SIM

SENSOR Fingerprint - Yes (rear mounted)
Accelerometer - Yes
Gyro - Yes
Proximity - Yes
Compass - Yes
Iris Scanner - Yes
Barometer - Yes

BATTERY - Non-removable 3500 mAh Li-on battery