471 seats. Now THERE’S an airplane with a big ole terrorist bullseye on it...
I'm sure you must have a reason for saying that the number of seats makes it more of a target..but, then again, I'm sure you didn't REALLY mean it that way.
If you are wondering how they arrived at that number, one version of the 747 (747-300) would hold up to 470 people. (The 747-8 will hold up to 467).
So, in short, the two planes will have roughly the same number of passengers. The main difference is that the AirBus will be able to sell luxury suites. Whether that will offset the higher operating costs remains to be seen.