I wrote and published a pretty long article on Floyd vs. The Beatles for HOTWACKS publications years ago. Lots of comparisons to things that are the same and that are different in the two bands. I gathered together and listened to lots of Bootlegs by both bands to make my conclusions. You can view the work as a web screen read at my sister band site: The Whiners: Pink Floyd vs. The Beatles Download it here in PDF form.
Here's a screen cap to get you started (links to pdf):
Gosh, I'd appreciate any comments or dialogue you might want to give about it. Use the board at The Whiners Band Floyd page.