What is the Roborock S8 series known for in relation to the Xiaomi X20 Max?

The [Roborock S](https://www.amazon.com/s?k=Roborock+S&tag=wehavethat-20)8 series is the benchmark that the Xiaomi X20 Max (8,000 Pa) was built to beat. When a rival designs its flagship specifically to match you, you’re the standard everyone else aims at.