Here are some results for the Are We Fast Yet? benchmarks:
These are imperative, object-oriented benchmarks that focus on the compiler and avoid predefined datatypes other than numbers and strings. They're not ideal for characterizing Rhombus, but we believe they give a fair relative impression, and they're generally consistent with Racket performance in the Computer Language Benchmark Game.
Here are the results for individual benchmarks, which are averaged geometrically above: