... of various animated product, Box Office Mojo does some dandy comparsons with dandy interactive charts between the 'Toon empires.
Monsters Vs. Aliens -- production budget: $175 million -- domestic gross: $166.3 million ...
Madagascar 2 -- production budget: $150 million -- domestic gross: $180 million
Horton Hears a Who -- domestic gross: $154.5 million
Meet the Robinsons -- domestic gross: $97.8 million ...
Star Wars: The Clone Wars -- domestic gross: $35.1 million
TMNT -- domestic gross: $54.1 million ...
Sure, it's comparing pictures by box office, but it's the only sane way to do it.
Otherwise, you have nerds, professionals and general-interest fans yelling at each other about which movie is best. And as the Romans tell us: De gustibus non est disputandum.
That's why horrid, disgusting moolah is the only concrete scorecard. All else is disputable opinion.