A330-800neo vs 777-300ER
The 777-300ER leads, topping 4 of 7 compared metrics.
The Airbus A330-800neo (introduced 2020) 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 range, where the A330-800neo has the advantage. The spec-by-spec breakdown below is followed by a mission-fit read and a buyer's recommendation.
6 more specs per aircraft — ceiling, climb, cabin, dimensions and more — are free with an account.
A330-800neo vs 777-300ER: the key differences
- The A330-800neo delivers 11% more range (A330-800neo: 8,150 nm; 777-300ER: 7,370 nm).
- The 777-300ER delivers 0% more cruise speed (A330-800neo: 487 kt; 777-300ER: 488 kt).
- The A330-800neo delivers 3% more passenger capacity (A330-800neo: 406 seats; 777-300ER: 396 seats).
- The A330-800neo is the newer design (introduced 2020 versus 2003 for the 777-300ER), a gap of 17 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 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 A330-800neo 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?
On published specifications the A330-800neo leads on both range and cabin capacity, so it suits operators who want maximum mission flexibility from a single airframe. The 777-300ER can still be the smarter buy on acquisition cost, operating economics, runway performance, or current availability — the factors that rarely show up in a spec sheet. Our acquisition advisory team can model both against your actual mission profile before you commit.
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A330-800neo vs 777-300ER: FAQs
Which has the longer range, the A330-800neo or the 777-300ER?
The A330-800neo has the longer published range — 8,150 nm versus 7,370 nm for the 777-300ER.
Does the A330-800neo or 777-300ER seat more passengers?
The A330-800neo carries more passengers at maximum configuration — up to 406 seats, compared with 396 on the 777-300ER.
Which is faster, the A330-800neo or the 777-300ER?
The 777-300ER cruises faster, at 488 kt versus 487 kt for the A330-800neo.
Which is newer, the A330-800neo or the 777-300ER?
The A330-800neo is the newer design, introduced in 2020 versus 2003 for the 777-300ER.
Is the A330-800neo or the 777-300ER the larger aircraft?
By maximum takeoff weight the 777-300ER is the larger aircraft — 775,000 lbs versus 514,000 lbs for the A330-800neo.
Should I buy the A330-800neo or the 777-300ER?
On published specifications the A330-800neo leads on both range and cabin capacity, so it suits operators who want maximum mission flexibility from a single airframe. The 777-300ER can still be the smarter buy on acquisition cost, operating economics, runway performance, or current availability — the factors that rarely show up in a spec sheet. Our acquisition advisory team can model both against your actual mission profile before you commit.
Still weighing up the A330-800neo 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.