This is "starwars universe vs transformers universe" not "starwars universe vs unicron" right? So going back to my arguement regarding the "all-spark", as defined and seen in the 2007 film franchise (Wiki - "In the Transformers 2007 live action film, it is a cube-shaped artifact adorned with glyphs and designs which is capable of granting independent life to normal electronic and mechanical objects and is the source of life for all Transformers.") If you dont want to accept wiki, watch the movie.
Whether the starforge can be used to create only 1 deathstar and galaxy gun per century or more than 1 billion of each per second doesn't matter. Anything it creates becomes a transformer with just one bump from the all-spark cube, the more the better. Bang the all-spark against the starforge and you get one mean transformer that can crap out super-weapons. LOL
I'd love to see a Starwars-Transformers movie cross-over, Jedi/autobots vs Sith/decepticons.