You can’t swap them easily between phones.

If you break your phone, you may lose access to the number until you return to your home country.

Other than that, it’s the same.

For most people esim is better

You can swap them between iPhones pretty easily. There are some issues with virtual carriers - I went to Japan recently and the travel eSIM I got didn't work for most of the trip until I realized there was an old busted APN configuration profile installed from the last time I went.