J-20 Mighty Dragon vs KF-21 Boramae
| China's first stealthy, twin-engine fifth-generation multirole fighter jet | |
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| Origin country | 🇨🇳 China |
| Category | Combat Aircraft |
| Manufacturer | Chengdu |
| First flight | 11 January 2011 |
| Year introduced | 2017 |
| Number produced | 300 units |
| Average unit price | $110 million |
| South Korean multirole fighter, developed in the 21st century, deployment and operational history yet to be written. | |
| Origin country | 🇰🇷 South Korea |
| Category | Combat Aircraft |
| Manufacturer | KAI |
| First flight | 19 July 2022 |
| Year introduced | 2026 |
| Number produced | None units |
| Average unit price | $87.5 million |
| Wing area | 73.0 m² ◉ |
| Wingspan | 13.0 m â—‰ |
| Height | 4.7 m â—‰ |
| Length | 21.2 m â—‰ |
| Maximum speed | 2130 km/h |
| Operational range | 5,500 km â—‰ |
| Service ceiling | 20,000 m |
| Max. takeoff weight | 37,000 kg â—‰ |
| Empty weight | 17,000 kg â—‰ |
| Total thrust | 2 x 28,968 kgf â—‰ |
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| Wing area | 46.0 m² ◉ |
| Wingspan | 11.2 m â—‰ |
| Height | 4.8 m â—‰ |
| Length | 16.8 m â—‰ |
| Maximum speed | -- km/h |
| Operational range | 1,000 km â—‰ |
| Service ceiling | -- m |
| Max. takeoff weight | 25,401 kg â—‰ |
| Empty weight | 11,793 kg â—‰ |
| Total thrust | 2 x 12,246 kgf â—‰ |
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Performance Radar Chart
Frequently Asked Questions
Which is faster, the J-20 Mighty Dragon or KF-21 Boramae?
The J-20 Mighty Dragon is faster with a maximum speed of 2,130 km/h compared to the KF-21 Boramae's 0 km/h, a difference of 2,130 km/h.
Which has longer range, the J-20 Mighty Dragon or KF-21 Boramae?
The J-20 Mighty Dragon has a longer range at 5,500 km compared to the KF-21 Boramae's 1,000 km.
Which can fly higher, the J-20 Mighty Dragon or KF-21 Boramae?
The J-20 Mighty Dragon has a higher service ceiling at 20,000 meters (65,616 ft) compared to the KF-21 Boramae's 0 meters (0 ft).
Which is heavier, the J-20 Mighty Dragon or KF-21 Boramae?
The J-20 Mighty Dragon has a higher maximum takeoff weight at 37,000 kg compared to the KF-21 Boramae's 25,401 kg.
Which is larger, the J-20 Mighty Dragon or KF-21 Boramae?
The J-20 Mighty Dragon is longer at 21.2 meters compared to the KF-21 Boramae's 16.8 meters.
Which is more expensive, the J-20 Mighty Dragon or KF-21 Boramae?
The J-20 Mighty Dragon is more expensive at approximately $110 million per unit compared to the KF-21 Boramae at $88 million.
Which entered service first, the J-20 Mighty Dragon or KF-21 Boramae?
The J-20 Mighty Dragon entered service first in 2017, 9 years before the KF-21 Boramae which entered service in 2026.