A device that may be the upcoming OnePlus 8T flagship refresh had appeared on Geekbench with 8GB of RAM. Now, a second phone with a nearly identical model number has made it onto the same benchmarking site, but with 12GB this time. Meanwhile, the OEM has released a new teaser video with a hint as how it will look with its new flat screen.
https://www.notebookcheck.net/A-new-leak-points-to-a-12GB-RAM-option-for-the-OnePlus-8T.496769.0.html