In terms of the design, the devices look quite similar, but there are some differences. The obvious one is the size of the display, which is 6.1-inches for the Galaxy S10, and 6.4-inches for the Galaxy S10 Plus.
The other difference is in the selfie camera design, the Galaxy S10 has an in-display camera in the top right corner, while the Galaxy S10 Plus has dual in-display selfie cameras. Both phones will feature an in-display fingerprint scanner as well.
The official Galaxy S10 and S10 Plus renders show us that the rear panel design of the phones is quite identical. There are three cameras which are aligned horizontally along with an LED Flash and a heart rate sensor.
We also know the colour variants of the phones thanks to the official Galaxy S10 and S10 Plus renders. The devices will be available in Black, White and Green.