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

Price:#342,000
The Samsung Galaxy S9 plus 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.

Read about the differences between Galaxy S9 and Galaxy S9 plus here:
https://www.phalaps.com/differences-and-similarities-between-samsung-galaxy-s9-and-samsung-galaxy-s9/