| 1 | A | B | C |
| --- | --- | --- | --- |
| 2 | Boeing 777X - Specifications |  |  |
| 3 | Model | 777-8 | 777-9 |
| 4 | Cockpit crew | Two | Two |
| 5 | Seating, 2-class | 365 | 414 (42J + 372Y) |
| 6 | Seating, 3-class | - | 349 (8F + 49J + 292Y) |
| 7 | Lower deck LD-3 | - | 48: 26 fwd + 22 aft |
| 8 | Cargo capacity | - | 8,131 cu ft (230.2 m3) |
| 9 | Length | 229 ft 0 in (69.8 m) | 251 ft 9 in (76.7 m) |
| 10 | Wingspan | 235 ft 5 in (71.8 m), 212 ft 9 in (64.8 m) folded | 235 ft 5 in (71.8 m), 212 ft 9 in (64.8 m) folded |
| 11 | Wing | 5,562 sq ft (516.7 m2), 9.96 aspect ratio | 5,562 sq ft (516.7 m2), 9.96 aspect ratio |
| 12 | Height | 64 ft 0 in (19.5 m) | 64 ft 7 in (19.7 m) |
| 13 | Width, exterior | 20 ft 4 in (6.20 m) fuselage | 20 ft 4 in (6.20 m) fuselage |
| 14 | Width, cabin | 19.6 ft (5.96 m) | 19.6 ft (5.96 m) |
| 15 | Seat width | 18 in (45.7 cm) in 10–abreast economy | 18 in (45.7 cm) in 10–abreast economy |
| 16 | MTOW | 775,000 lb (351,534 kg) | 775,000 lb (351,534 kg) |
| 17 | Max. Payload | - | 162,000 lb (73,500 kg) |
| 18 | OEW | - | 400,000 lb (181,400 kg) |
| 19 | Fuel capacity | 350,410 lb (158,940 kg), 52,300 US gal (197,977 L) | 350,410 lb (158,940 kg), 52,300 US gal (197,977 L) |
| 20 | Range | 8,690 nmi / 16,090 km | 7,525 nmi / 13,940 km |
| 21 | Engine (×2) | General Electric GE9X-105B1A | General Electric GE9X-105B1A |
| 22 | Thrust (×2) | 105,000 lbf (470 kN) | 105,000 lbf (470 kN) |

Question: What are the differences between the Boeing 777-8 and the Boeing 777-9?
Answer: The 777-8 provides seating for 365 passengers and has a range of 8,690 nmi (16,090 km) while the 777-9 has seating for 414 passengers and a range of over 7,525 nmi (13,936 km).