It is not as efficient........it simply cannot be.
Therefore it reduces volume of rounds produced per given time period.
The whole idea (IMHO) in having a progressive is production output.
SO.........
Dillon.......get a 1050 if you can afford it.
If not......
Hornady LNL AP hands down.
I'm indexing with my thumb as I place the bullet on the case - very efficient. As for rounds produced in a given time period, I can only get out 100 in 8 minutes.