Here's the deal, to my understanding: because of how tightly Bambinos are packaged, they are more "compressed." Once you rub them out some and "fluff" them up a bit, they're highly comparable.
I never liked the hard plastic of the Super X-Plus...the Bambinos are much softer, though not as soft as the old Attends with the blue tapes. Those were the best diapers EVER. God, I miss them.
So for my money, the Bambinos are a superior product to the Abenas, just because of comfort and...damn, those baby blocks are cute on the front of them. lol