An A380 is a double story aircraft but the B747 is double story only in the front of the plane. A380's are alot newer the B747's.
The Airbus A380 is not the only Rival for the Boeing 747.
The Airbus A380 is clearly larger than a Boeing 777.
An A380 is nearly 5 times the size A300.
The A380 is bigger than any Boeing.
At the moment its the Airbus A380, it used to be the Boeing 747. The Airbus A380 is 7% larger
The Airbus A 380 was made by airbus to compete with the Boeing 747
Airbus A380 and Boeing 787
An Airbus A380 is bigger. (The difference is that a Boeing 747 is only partially double deck, whereas the Airbus A380 is fully double deck.)The A380's gross weight is about 1,000,000 lbs. The early B727-200 gross weight was 800,000 lbs. The later versions are a little heavier.
The Boeing A380-800 is a non-existent aircraft. You mean the Airbus A380-800 which is 562,000kg at its heaviest weight.
In almost every way the A380 is bigger.
The Airbus A380 is currently the largest airliner in the world.
As of April 2018 (time of answer - No. They have Airbus A321 Airbus A330 Airbus A340 Boeing 747 Boeing 767 Boeing 787 Dreamliner