Boeing 787-10 Dreamliner vs Boeing 777-9
Top speed, range, size and history side by side. Each was built for its own job, so this shows how they differ, not which is better.
The Boeing 787-10 Dreamliner is faster: 954 km/h against 950 km/h for the Boeing 777-9. The Boeing 777-9 flies further: 13,500 km against 11,750 km for the Boeing 787-10 Dreamliner. The Boeing 777-9 has the wider wingspan: 71.8 m against 60.1 m for the Boeing 787-10 Dreamliner. The Boeing 777-9 is heavier at takeoff: 352 tonnes against 254 tonnes for the Boeing 787-10 Dreamliner. The Boeing 787-10 Dreamliner first flew in 2017, 3 years before the Boeing 777-9 (2020).
| Boeing 787-10 Dreamliner | Boeing 777-9 |
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| Top speed | 954 km/h (593 mph) | 950 km/h (590 mph) |
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| Range | 11,750 km (7,301 miles) | 13,500 km (8,389 miles) |
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| Length | 68.3 m (224 ft) | 76.7 m (252 ft) |
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| Wingspan | 60.1 m (197 ft) | 71.8 m (235 ft) |
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| Max takeoff weight | 254 t (559,968 lb) | 352 t (774,917 lb) |
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| First flight | 2017 | 2020 |
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| Crew and capacity | 2 crew, 336 seats typical | 2 crew, 426 seats typical |
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| Engines | 2 × GEnx-1B or Trent 1000 | 2 × GE9X turbofan |
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| Built by | Boeing | Boeing |
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| Country | USA | USA |
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