Which does your printer have? (e.g., MKS Robin Nano v1.1, v1.2, or a v2.0 upgrade?)
Marlin’s equivalent to Klipper’s pressure advance, which improves corner quality at higher speeds.
If you love to fine-tune every aspect of your machine, want to push your CoreXY printer to its absolute high-speed limits, and don't mind a more complex initial setup, then Klipper is the best choice . The performance and control it offers are second to none.