Not the same. Actually reading the new testament and about what Jesus did and stood for, compared to what the church was teaching, is what actually got me thinking for myself and eventually becoming an atheist.
The 'teachings' of LRon Hubbard on the other hand, are JUST bad ideas, badly interpreted (or manipulated), wrapped up in a fancy bow for those too naive or vulnerable to spot there issues (ok, so that's where the similarities remain)