The Redmi K20 Pro is going to gain new variants powered by the Snapdragon 855 Plus processor soon. These refreshed units will also have up to 12GB of RAM, 512GB of internal storage and a new rear panel. They will be released in China on September 23, 2019.
https://www.notebookcheck.net/Redmi-announces-a-seriously-beefed-up-refresh-for-the-K20-Pro.435164.0.html
That's so cheap, this price point and specs is where the Mi series was a few years ago until they started bumping up the price.