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CompareA330-800neo vs 777-9 (777X)
Aircraft comparison

A330-800neo vs 777-9 (777X)

The 777-9 (777X) leads, topping 5 of 7 compared metrics.

The Airbus A330-800neo (introduced 2020) and the Boeing Commercial Airplanes 777-9 (777X) (introduced 2026) are two aircraft buyers regularly weigh against each other. Both are commercial, which makes them natural cross-shopping rivals. The clearest separation between them is range, where the A330-800neo has the advantage. Below we compare them spec by spec, then break down which aircraft suits which mission.

A330-800neo

Airbus

A330-800neo

777-9 (777X)

Boeing Commercial Airplanes

777-9 (777X)

Performance
Range
8,150 nm
7,285 nm
Cruise speed
487 kt
488 kt
Max speed
Locked — sign in to view
Locked — sign in to view
Service ceiling
Locked — sign in to view
Locked — sign in to view
Rate of climb
Locked — sign in to view
Locked — sign in to view
Capacity & dimensions
Max seats
406
426
Crew
Locked — sign in to view
Locked — sign in to view
Max takeoff weight
514,000 lbs
775,000 lbs
Length
Locked — sign in to view
Locked — sign in to view
Cabin height
Locked — sign in to view
Locked — sign in to view
Powerplant
Engines
2 × Turbofan
2 × Turbofan
Engine model
Rolls-Royce Trent 7000-72
General Electric GE9X-105B1A

6 more specs per aircraft — ceiling, climb, cabin, dimensions and more — are free with an account.

A330-800neo vs 777-9 (777X): the key differences

  • The A330-800neo delivers 12% more range (A330-800neo: 8,150 nm; 777-9 (777X): 7,285 nm).
  • The 777-9 (777X) delivers 0% more cruise speed (A330-800neo: 487 kt; 777-9 (777X): 488 kt).
  • The 777-9 (777X) delivers 5% more passenger capacity (A330-800neo: 406 seats; 777-9 (777X): 426 seats).
  • The 777-9 (777X) is the newer design (introduced 2026 versus 2020 for the A330-800neo), a gap of 6 years that usually shows up in avionics, cabin systems and fuel burn.
  • The 777-9 (777X) is the larger aircraft by maximum takeoff weight (775,000 lbs versus 514,000 lbs), which typically buys more cabin and payload at the cost of higher trip economics.

Which mission suits which aircraft

Both aircraft are built for nonstop ultra-long-haul routes, so outright range rarely separates them — the call leans on cabin (the 777-9 (777X) seats more), trip economics and what is actually available on the market. Match the airframe to how you fly most weeks, not to the headline range figure.

Which should you choose?

Choose the A330-800neo when nonstop range is the deciding factor, and the 777-9 (777X) when cabin capacity and payload matter more; the 777-9 (777X) holds the cruise-speed edge. The right answer ultimately depends on acquisition cost, maintenance-program status, and what is actually available on the market — talk to our acquisition advisory team to pressure-test the choice against your missions and budget.

A330-800neo vs 777-9 (777X): FAQs

Which has the longer range, the A330-800neo or the 777-9 (777X)?

The A330-800neo has the longer published range — 8,150 nm versus 7,285 nm for the 777-9 (777X).

Does the A330-800neo or 777-9 (777X) seat more passengers?

The 777-9 (777X) carries more passengers at maximum configuration — up to 426 seats, compared with 406 on the A330-800neo.

Which is faster, the A330-800neo or the 777-9 (777X)?

The 777-9 (777X) cruises faster, at 488 kt versus 487 kt for the A330-800neo.

Which is newer, the A330-800neo or the 777-9 (777X)?

The 777-9 (777X) is the newer design, introduced in 2026 versus 2020 for the A330-800neo.

Is the A330-800neo or the 777-9 (777X) the larger aircraft?

By maximum takeoff weight the 777-9 (777X) is the larger aircraft — 775,000 lbs versus 514,000 lbs for the A330-800neo.

Should I buy the A330-800neo or the 777-9 (777X)?

Choose the A330-800neo when nonstop range is the deciding factor, and the 777-9 (777X) when cabin capacity and payload matter more; the 777-9 (777X) holds the cruise-speed edge. The right answer ultimately depends on acquisition cost, maintenance-program status, and what is actually available on the market — talk to our acquisition advisory team to pressure-test the choice against your missions and budget.

Still weighing up the A330-800neo vs 777-9 (777X)?

Specs only take you so far. Our advisors give an independent recommendation based on your mission, budget and how you actually fly — and represent your side through to purchase.

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