Only one week away from the official announcement of the next gen gaming GPUs powered by the Turing architecture, and the leaked benchmarks are already starting to pop up on the Internet. This time it looks like an alleged RTX 2080 made it in the hands of an overzealous tester who stressed it in Ashes of the Singularity on Crazy 4K settings.
https://www.notebookcheck.net/Alleged-Nvidia-RTX-2080-GPU-spotted-in-Ashes-of-the-Singularity-benchmark.323098.0.html