The moderator functions very well could be valid. In 7.3 we expanded the permission system to open things up on what can be assigned to groups, but won't be able to fully take advantage of it until we do the CP and UI update.
As for a side-by-side comparison guide. I've never put one up personally because software changes frequently and it's hard to keep up on our own let alone others. They can be pretty misleading as well, as they usually leave out something you mentioned. They'll list the things that they have but competitor X doesn't, but not vice-versa
