The benefit is having a much more secure "password" (the ssh key) than the password that you have to remember. The password you use to encrypt your key doesn't

The benefit is having a much more secure "password" (the ssh key) than the password that you have to remember. The password you use to encrypt your key doesn't need to be a really strong one since it's only proupose is to give you enough time to change your key if your pc gets stolen or the key is leaked in some other way.