Coldcard has lots of security features missing on Trezor or Ledger: 100% airgapped, Seed XOR, user added entropy, Duress PIN, etc.
You can see a hardware wallets comparison feature by feature here:
https://docs.google.com/spreadsheets/d/1-8DLbhxtOcDEBPl8-IAGWaoyx1H02JSz9hADCgAGyCo/edit?usp=drivesdk
