The Galaxy Tab S8 Plus was recently spotted on Geekbench 5. The Snapdragon 8 Gen 1-equipped device fared poorly against the iPhone 13 Pro's A15, and delivered just 8 percent better multithreaded performance than Snapdragon 888 devices like the Samsung Galaxy S21.The listing, however, did confirm that the S8 Plus will ship with Android 12 out of the box and feature 8GB of RAM.
https://www.notebookcheck.net/The-Snapdragon-8-Gen-1-powered-Samsung-Galaxy-Tab-S8-Plus-lands-on-Geekbench-5-Android-12-out-of-the-box-but-30-percent-slower-than-Apple-A15-devices.585208.0.html