By this question, I assume that you are referring to the "Old" Catholics as those who attend the Extraordinary Form of the Mass (The Latin Mass) and the "New" Catholics as those who attend the Ordinary form of the Mass (Mass in the vernacular). The difference is nil, as both are Catholics in communion with Rome and Celebrate the Liturgy of the Eucharist in different ways.
The link below has a more extensive listing of the difference should you want to know more.
The difference is that one of them is old and the other one new.
old is broken but new is not
old is broken but new is not
one is new and one is old.
what is the difference between old tmples and new temples
old art is old. new art is new.
Lutheran Bible has 66 books and Catholic Bible has 73 books. There is no difference in the New Testament of Catholics and Lutheran. However, Catholics consider 7 more books as divine in the Old Testament of the Bible.
The difference between a new organization and an old organization is simple. An old organization has just been a round longer than a new organization.
one is new and one is old.
t are the difference between old and new irrigation method
no
the answer is that olden transport did not have motors and new have