the 747 is larger than the 777 and has 2 decks, but the two planes are made by boeing.
Boeing 777
two
The Boeing 777 has at least 2 engines.
Yes, there is a restroom at the rear of a Boeing 777
The Main difference is that the Boeing 777-300 is bigger and can seat more passengers.
Boeing
no, because boeing 777 has more advanced technology than the boeing 747
The max. speed of the Boeing 777 is 590 mph.
The main difference is that the 777-300ER is a longer ranged version of the 777-300.
A Boeing 777 can carry between 314 and 451 passengers. The Boeing 777 has been in use since June of 1995.
It is not popular since it has many fewer orders than other wide body aircraft such as the Boeing 777 and Airbus A330. It is popular with some passengers due to its quiet ride and flagship premium cabin products. Also the Boeing 747 and Airbus A340-600 have two decks, but they are not both full decks.