Folding tips: To keep the 777X in a lower size category and not to limit the airports it can use, Boeing has designed it with folding wingtips.Composite wings: The use of composite materials in the wing construction allows the 777X to have the biggest wingspan of any commercial passenger aircraft.Building on the success of its predecessor, the 777, and employing some advancements seen in the Boeing 787, its Boeing's most ambitious aircraft to date. The 777X will be the largest twin-engine jet aircraft in the world. While many of the improvements seen in the two widebodies are directed toward fuel efficiency, passenger comfort has played its part in the designs too.
Both the A350 and the 777X have some incredible, next-generation technology onboard.