777-9 (777X) vs 787-9 Dreamliner
The 777-9 (777X) leads, topping 3 of 7 compared metrics.
Cross-shopping the Boeing Commercial Airplanes 777-9 (777X) (introduced 2026) against the Boeing Commercial Airplanes 787-9 Dreamliner (introduced 2014) is a common decision, and the two sit closer on paper than the badges suggest. Both are commercial, which makes them natural cross-shopping rivals. On paper they are closely matched, so the decision usually turns on cabin, economics and availability. undefined
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777-9 (777X) vs 787-9 Dreamliner: the key differences
- The 787-9 Dreamliner delivers 5% more range (777-9 (777X): 7,285 nm; 787-9 Dreamliner: 7,635 nm).
- The 777-9 (777X) and 787-9 Dreamliner are evenly matched on cruise speed, both at 488 kt.
- The 777-9 (777X) delivers 1% more passenger capacity (777-9 (777X): 426 seats; 787-9 Dreamliner: 420 seats).
- The 777-9 (777X) is the newer design (introduced 2026 versus 2014 for the 787-9 Dreamliner), a gap of 12 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 557,000 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 787-9 Dreamliner 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.
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777-9 (777X) vs 787-9 Dreamliner: FAQs
Which has the longer range, the 777-9 (777X) or the 787-9 Dreamliner?
The 787-9 Dreamliner has the longer published range — 7,635 nm versus 7,285 nm for the 777-9 (777X).
Does the 777-9 (777X) or 787-9 Dreamliner seat more passengers?
The 777-9 (777X) carries more passengers at maximum configuration — up to 426 seats, compared with 420 on the 787-9 Dreamliner.
Which is newer, the 777-9 (777X) or the 787-9 Dreamliner?
The 777-9 (777X) is the newer design, introduced in 2026 versus 2014 for the 787-9 Dreamliner.
Is the 777-9 (777X) or the 787-9 Dreamliner the larger aircraft?
By maximum takeoff weight the 777-9 (777X) is the larger aircraft — 775,000 lbs versus 557,000 lbs for the 787-9 Dreamliner.
Should I buy the 777-9 (777X) or the 787-9 Dreamliner?
Choose the 787-9 Dreamliner 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 777-9 (777X) vs 787-9 Dreamliner?
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.