Less than a month since it surfaced with Android 8.0 Oreo onboard, the upcoming Samsung SM-T835 tablet hits the GFXBench database with Android 8.1. The graphics performance is slightly lower with the new software version, so it might take a while before they launch this 10.5-inch slate.
https://www.notebookcheck.net/Samsung-Galaxy-Tab-S4-hits-GFXBench-with-Android-8-1-onboard-unknown-Snapdragon-processor.305122.0.html