Yubikey vs other 2FA

Is using a YubiKey any better than using Google Authenticator for 2FA?
I am using both and I can't see what Yubikey offers that Google Authenticator doesn't.
Please let me know. Cheers.

I am using both and I can't see what Yubikey offers that Google Authenticator doesn't.
Please let me know. Cheers.
