Boeing 777-300 vs 787-10 Dreamliner

By: Rocco

Comparing the Boeing 777-300 vs the Boeing 787-10 Dreamliner? Start with the quick spec breakdown below, then dive into the story for the bigger picture.

Boeing 777-300
Jumbo Passenger Jets
Boeing 777-300
ICAO: B773 Status: Active Visit aircraft page
Boeing 787-10 Dreamliner
Jumbo Passenger Jets
Boeing 787-10 Dreamliner
ICAO: B78X Status: Active Visit aircraft page

General

Units
Boeing 777-300
Manufacturer
Boeing
ICAO code
B773
Produced
1997–2006
Price
$279 million (1900)
Engine
2 × Rolls Royce RR-892 or Pratt & Whitney 4098 or GE90-94B
Engine type
Turbofan
Thrust
2 × 98,000 lbf · 436 kN +29% (total)
Avionics
Honeywell Avionics
Wing tips
No winglets
Seats
550 economy · 451 business · 368 first
Boeing 787-10 Dreamliner
Manufacturer
Boeing
ICAO code
B78X
Produced
2015–Present
Price
$338.4 million (2019)
Engine
2 × Rolls-Royce Trent 1000 or General Electric GEnx-1B
Engine type
Turbofan
Thrust
2 × 76,000 lbf · 338 kN -22% (total)
Avionics
Rockwell Collins next generation avionics
Wing tips
Raked wingtips
Seats
440 economy · 290 business

Dimensions

Boeing 777-300
Cabin width
19 ft 3 in 5.86 m 19 ft 3 in 5.86 m +7%
Cabin height
7 ft 3 in 2.20 m 7 ft 3 in 2.20 m -12%
Cabin length
194 ft 4 in 59.24 m 194 ft 4 in 59.24 m -4%
Exterior length
242 ft 5 in 73.90 m 242 ft 5 in 73.90 m +8%
Tail height
60 ft 8 in 18.50 m 60 ft 8 in 18.50 m +9%
Fuselage diameter
20 ft 4 in 6.19 m 20 ft 4 in 6.19 m +7%
Wing span
199 ft 10 in 60.90 m 199 ft 10 in 60.90 m +1%
Baggage volume
656 ft 2 in 200.00 m 656 ft 2 in 200.00 m +5%
Boeing 787-10 Dreamliner
Cabin width
18 ft 0 in 5.49 m 18 ft 0 in 5.49 m -6%
Cabin height
8 ft 2 in 2.50 m 8 ft 2 in 2.50 m +14%
Cabin length
203 ft 5 in 62.00 m 203 ft 5 in 62.00 m +5%
Exterior length
224 ft 1 in 68.30 m 224 ft 1 in 68.30 m -8%
Tail height
55 ft 10 in 17.02 m 55 ft 10 in 17.02 m -8%
Fuselage diameter
18 ft 11 in 5.77 m 18 ft 11 in 5.77 m -7%
Wing span
197 ft 3 in 60.12 m 197 ft 3 in 60.12 m -1%
Baggage volume
624 ft 4 in 190.30 m 624 ft 4 in 190.30 m -5%

Weights

Boeing 777-300
Max payload
147,000 lb 67,000 kg 147,000 lb 67,000 kg +17%
Fuel capacity
45,220 gal 171,176 L 45,220 gal 171,176 L +35%
Max takeoff weight
660,000 lb 299,500 kg 660,000 lb 299,500 kg +18%
Max landing weight
Boeing 787-10 Dreamliner
Max payload
126,500 lb 57,500 kg 126,500 lb 57,500 kg -14%
Fuel capacity
33,399 gal 126,429 L 33,399 gal 126,429 L -26%
Max takeoff weight
560,000 lb 254,000 kg 560,000 lb 254,000 kg -15%
Max landing weight
445,000 lb 202,000 kg 445,000 lb 202,000 kg

Performance

Boeing 777-300
Max cruise speed
510 kt · 587 mph 945 km/h 510 kt 587 mph 945 km/h -1%
Approach speed
149 kt · 171 mph 276 km/h 149 kt 171 mph 276 km/h +6%
Rate of climb
3,000 ft/min 15 m/s 3,000 ft/min 15 m/s 0%
Range
6,030 nm · 6,940 mi 11,170 km 6,030 nm 6,940 mi 11,170 km -6%
Service ceiling
43,100 ft 13,100 m 43,100 ft 13,100 m +0%
Takeoff distance
10,600 ft 3,230 m 10,600 ft 3,230 m +15%
Landing distance
5,900 ft 1,800 m 5,900 ft 1,800 m +18%
Boeing 787-10 Dreamliner
Max cruise speed
515 kt · 593 mph 954 km/h 515 kt 593 mph 954 km/h +1%
Approach speed
140 kt · 161 mph 259 km/h 140 kt 161 mph 259 km/h -6%
Rate of climb
3,000 ft/min 15 m/s 3,000 ft/min 15 m/s 0%
Range
6,430 nm · 7,400 mi 11,910 km 6,430 nm 7,400 mi 11,910 km +7%
Service ceiling
43,000 ft 13,100 m 43,000 ft 13,100 m 0%
Takeoff distance
9,200 ft 2,800 m 9,200 ft 2,800 m -13%
Landing distance
5,000 ft 1,520 m 5,000 ft 1,520 m -16%

Boeing 777-300 comparisons

For aviation enthusiasts, the 787 vs 777 debate has been an ongoing discussion. While both planes have several commonalities, they also have distinct differences.

This debate is ultimately driven by the fact that they are two of the most successful and popular aircraft models ever produced. To truly understand the differences, let’s look at each model separately.

About the Boeing 777-300

The Boeing 777 is a wide-body and long-range aircraft built and created by Boeing Commercial Airplanes. It also features an advanced flight deck design, allowing for greater crew comfort and efficiency.

Why was it developed and built?

It was built in discussions with eight main airlines to replace older wide-body airliners. As Boeing’s first fly-by-wire airliner, the Boeing 777 introduced several novel systems for use on aircraft.

What purpose does it serve?

The Boeing 777 is used for long-haul flights, with the longest scheduled nonstop flight operating at a range of 8,555 nautical miles. It is also used for short-haul and medium-haul flights when a larger capacity plane is needed.

About the Boeing 787-10 Dreamliner

Think of the Boeing 787 Dreamliner as a flying oasis. It has been designed with passenger comfort in mind, boasting larger windows and more ambient light and featuring advancements in air quality, climate control, and filtration.

Why was it developed and built?

The plane is made mostly of lightweight composite materials, which makes it more fuel-efficient than other aircraft. It also has larger windows and lower cabin pressure, which makes for a more comfortable flight.

Additionally, the Boeing 787 Dreamliner is equipped with advanced technologies that make it quieter and more efficient. For example, it uses electric motors to power some of its systems, and its engines are designed to minimize noise and vibration.

What purpose does it serve?

The Boeing 787 Dreamliner is used for long-distance flights and can fly nonstop distances of up to 8,555 nautical miles. Moreover, it is also used for medium and long-haul flights when a larger plane is needed.

How are the Boeing 777 and Boeing 787 Dreamliner different?

The Boeing 777 and Boeing 787 Dreamliner are two of the most famous planes in the sky. Though they’re both made by Boeing, these two planes are pretty different.

Here’s a look at how the Boeing 777 and Boeing 787 Dreamliner differ regarding range, fuel efficiency, and passenger capacity.

Range

The Boeing 777 has a range of 5,240 – 8,555 miles, while the Boeing 787 Dreamliner ranges from 7,355 to 6,430 miles.

This range difference is because the Boeing 777 is a larger plane; it can carry more fuel than the Boeing 787 Dreamliner. As a result, the Boeing 777 can fly for longer periods without stopping to refuel.

Fuel Efficiency

The Boeing 777 is also more fuel efficient than the Boeing 787 Dreamliner. The Boeing 777 burns less fuel than comparable planes.

This efficiency is partly due to its size; because it’s a larger plane, it can take advantage of economies of scale. The Boeing 787 Dreamliner is also more fuel efficient than older models, but it doesn’t quite match up to the Boeing 777 in this area.

Passenger Capacity

The Boeing 777 can seat between 301 and 368 passengers, while the Boeing 787 Dreamliner can seat between 240 and 330 passengers.

Again, this difference is because the Boeing 777 is a larger plane with more passenger space. However, because the Boeing 787 Dreamliner uses newer technology, it feels more spacious inside despite having fewer seats.

Speed

The Boeing 777 and Boeing 787 Dreamliner also differ in terms of speed. The Boeing 777 has a cruise speed of 892 km/h, while the Boeing 787 Dreamliner cruises at 903 km/h. This is because the Boeing 777 has more powerful engines and a larger wingspan than the 787.

Ultimately, the Boeing 777 and 787 Dreamliner are two of the most popular aircraft in the sky.

How are the Boeing 777 and Boeing 787 Dreamliner similar?

Despite their differences, the 777 and 787 share many similarities.

  • Both planes are made of advanced composite materials that make them lighter and more fuel efficient than older models.
  • Additionally, both planes feature advanced avionics technology, such as fly-by-wire systems and digital cockpits.
  • Finally, both planes have been produced in multiple variants with different engine configurations.

Both planes have been incredibly successful, but they serve different purposes, depending on the airline’s or customer’s needs. The Boeing 777 is larger, more fuel efficient, and longer ranged than the Boeing 787 Dreamliner. On the other hand, the Boeing 787 Dreamliner feels more spacious!

What’s better about the Boeing 777?

The Boeing 777 is a long-range, wide-body twin-engine airplane built by Boeing Commercial Airplanes.

  • It is the world’s largest twinjet and has a typical seating capacity for 314 to 451 passengers, ranging from 5,235 to 9,380 nautical miles.
  • The Boeing 777 is identifiable by its large-diameter fuselage and unique hinged tail fin, which provide greater strength and durability.

As a result, the Boeing 777 provides an enjoyable and efficient flying experience for passengers and crew.

What’s better about the Boeing 787 Dreamliner?

The Boeing 787 Dreamliner is a fuel-efficient wide-body jet airliner. It is made mostly of composite materials.

  • The airplane is quieter and cooler, with bigger windows and larger overhead bins. Likewise, the air inside the cabin is also cleaner and less dry. 
  • Moreover, the airplane automatically maintains the ideal cabin humidity level to reduce the possibility of dehydration and jet lag.
  • Likewise, it uses less fuel than similar-sized airplanes. It produces fewer carbon emissions, making it more environmentally friendly.

In short, the Boeing 787 Dreamliner is a superior aircraft in terms of fuel efficiency, passenger comfort, and environmental friendliness.

Conclusion

In conclusion, the 787 vs 777 debate is ultimately driven by their commonalities and differences. If you’re looking for nonstop service to your destination, the Boeing 777 is probably your best bet.

But if you’re looking for a more comfortable flight experience, you might prefer flying on the Boeing 787 Dreamliner. No matter your chosen plane, you will surely have a safe and enjoyable flight.