3DMark Port Royal is the world’s first dedicated real-time ray tracing benchmark for gamers. You can use Port Royal to test and compare the real-time ray tracing performance of any graphics card that supports Microsoft DirectX Raytracing. As well as benchmarking performance, 3DMark Port Royal provides a realistic and practical example of what to expect from ray tracing in upcoming games.
As for Port Royal, this is a specifically-designed benchmark to test a card's ray tracing abilities. Here, the 2070 SUPER slots almost exactly in the middle of the RTX 2070 and 2080.