HangarMart
CompareA330-900neo vs 777-300ER
Aircraft comparison

A330-900neo vs 777-300ER

The 777-300ER leads, topping 5 of 7 compared metrics.

The Airbus A330-900neo (introduced 2018) and the Boeing Commercial Airplanes 777-300ER (introduced 2003) 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 cabin capacity, where the A330-900neo carries more passengers. Below we compare them spec by spec, then break down which aircraft suits which mission.

A330-900neo

Airbus

A330-900neo

777-300ER

Boeing Commercial Airplanes

777-300ER

Performance
Range
7,200 nm
7,370 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
440
396
Crew
Locked — sign in to view
Locked — sign in to view
Max takeoff weight
553,800 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 7000-72C
General Electric GE90-115B

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

A330-900neo vs 777-300ER: the key differences

  • The 777-300ER delivers 2% more range (A330-900neo: 7,200 nm; 777-300ER: 7,370 nm).
  • The 777-300ER delivers 0% more cruise speed (A330-900neo: 487 kt; 777-300ER: 488 kt).
  • The A330-900neo delivers 11% more passenger capacity (A330-900neo: 440 seats; 777-300ER: 396 seats).
  • The A330-900neo is the newer design (introduced 2018 versus 2003 for the 777-300ER), a gap of 15 years that usually shows up in avionics, cabin systems and fuel burn.
  • The 777-300ER is the larger aircraft by maximum takeoff weight (775,000 lbs versus 553,800 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 A330-900neo 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 777-300ER when nonstop range is the deciding factor, and the A330-900neo when cabin capacity and payload matter more; the 777-300ER 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.

A330-900neo vs 777-300ER: FAQs

Which has the longer range, the A330-900neo or the 777-300ER?

The 777-300ER has the longer published range — 7,370 nm versus 7,200 nm for the A330-900neo.

Does the A330-900neo or 777-300ER seat more passengers?

The A330-900neo carries more passengers at maximum configuration — up to 440 seats, compared with 396 on the 777-300ER.

Which is faster, the A330-900neo or the 777-300ER?

The 777-300ER cruises faster, at 488 kt versus 487 kt for the A330-900neo.

Which is newer, the A330-900neo or the 777-300ER?

The A330-900neo is the newer design, introduced in 2018 versus 2003 for the 777-300ER.

Is the A330-900neo or the 777-300ER the larger aircraft?

By maximum takeoff weight the 777-300ER is the larger aircraft — 775,000 lbs versus 553,800 lbs for the A330-900neo.

Should I buy the A330-900neo or the 777-300ER?

Choose the 777-300ER when nonstop range is the deciding factor, and the A330-900neo when cabin capacity and payload matter more; the 777-300ER 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 A330-900neo vs 777-300ER?

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.

How advisory works