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B-21 Raider vs B-47 Stratojet

B-21 Raider vs B-47 Stratojet at a glance — top speed 1,050 vs 977 km/h, range 9,600 vs 3,240 km, max takeoff weight 81,647 vs 100,000 kg, built 3 vs 2,042 units.

Northrop Grumman B-21 Raider bombers side profile drawing
🇺🇸 B-21 Raider
Boeing B-47 Stratojet bombers side profile drawing
🇺🇸 B-47 Stratojet
Specifications
B-21 Raider B-47 Stratojet
Origin country 🇺🇸 United States 🇺🇸 United States
Category Bombers Bombers
Manufacturer Northrop Grumman Boeing
First flight 10 November 2023 17 December 1947
Year introduced 2027 1952
Number produced 3 units 2042 units
Average unit price $700 million $3 million
Wing area -- m² 132.7 m²
Wingspan 40.0 m 35.4 m
Height -- m 8.5 m
Length 16.0 m 32.7 m
Maximum speed 1050 km/h 977 km/h
Operational range 9,600 km 3,240 km
Service ceiling 15,000 m 10,089 m
Max. takeoff weight 81,647 kg 100,000 kg
Empty weight 31,751 kg 35,867 kg
Total thrust 2 x 12,240 kgf 6 x 3,266 kgf
Performance Radar Chart
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Frequently Asked Questions

Which is faster, the B-21 Raider or B-47 Stratojet?
The B-21 Raider is faster with a maximum speed of 1,050 km/h compared to the B-47 Stratojet's 977 km/h, a difference of 73 km/h.
Which has longer range, the B-21 Raider or B-47 Stratojet?
The B-21 Raider has a longer range at 9,600 km compared to the B-47 Stratojet's 3,240 km.
Which can fly higher, the B-21 Raider or B-47 Stratojet?
The B-21 Raider has a higher service ceiling at 15,000 meters (49,212 ft) compared to the B-47 Stratojet's 10,089 meters (33,100 ft).
Which is heavier, the B-21 Raider or B-47 Stratojet?
The B-47 Stratojet has a higher maximum takeoff weight at 100,000 kg compared to the B-21 Raider's 81,647 kg.
Which is larger, the B-21 Raider or B-47 Stratojet?
The B-47 Stratojet is longer at 32.6 meters compared to the B-21 Raider's 16.0 meters.
Which is more expensive, the B-21 Raider or B-47 Stratojet?
The B-21 Raider is more expensive at approximately $700 million per unit compared to the B-47 Stratojet at $3.0 million.
Which entered service first, the B-21 Raider or B-47 Stratojet?
The B-47 Stratojet entered service first in 1952, 75 years before the B-21 Raider which entered service in 2027.
Which has been built in greater numbers, the B-21 Raider or B-47 Stratojet?
The B-47 Stratojet has been produced in greater numbers with 2,042 units compared to 3 units of the B-21 Raider.