F-35 Lightning II vs KF-21 Boramae
| American multirole stealth fighter, developed in the early 21st century, extensively deployed in global military operations. | |
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| Origin country | 🇺🇸 United States |
| Category | Combat Aircraft |
| Manufacturer | Lockheed Martin |
| First flight | 15 December 2006 |
| Year introduced | 2013 |
| Number produced | 965 units |
| Average unit price | $85 million |
| South Korean multirole fighter, developed in the 21st century, deployment and operational history yet to be written. | |
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| Origin country | 🇰🇷 South Korea |
| Category | Combat Aircraft |
| Manufacturer | KAI |
| First flight | 19 July 2022 |
| Year introduced | 2026 |
| Number produced | N/A |
| Average unit price | $87.5 million |
| Wing area | 43.0 m² ◉ |
| Wingspan | 11.0 m ◉ |
| Height | 4.4 m ◉ |
| Length | 15.6 m ◉ |
| Maximum speed | 1960 km/h ◉ |
| Operational range | 2,800 km ◉ |
| Service ceiling | 15,000 m ◉ |
| Max. takeoff weight | 27,216 kg ◉ |
| Empty weight | 14,651 kg ◉ |
| Total thrust | 1 x 19,500 kgf ◉ |
| Wing area | 46.0 m² ◉ |
| Wingspan | 11.2 m ◉ |
| Height | 4.8 m ◉ |
| Length | 16.8 m ◉ |
| Maximum speed | 2200 km/h ◉ |
| Operational range | 1,000 km ◉ |
| Service ceiling | 16,764 m ◉ |
| Max. takeoff weight | 25,401 kg ◉ |
| Empty weight | 11,793 kg ◉ |
| Total thrust | 2 x 6,123 kgf ◉ |
Performance Radar Chart
Detailed Comparison
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Frequently Asked Questions
Which is faster, the F-35 Lightning II or KF-21 Boramae?
The KF-21 Boramae is faster with a maximum speed of 2,200 km/h compared to the F-35 Lightning II's 1,960 km/h, a difference of 240 km/h.
Which has longer range, the F-35 Lightning II or KF-21 Boramae?
The F-35 Lightning II has a longer range at 2,800 km compared to the KF-21 Boramae's 1,000 km.
Which can fly higher, the F-35 Lightning II or KF-21 Boramae?
The KF-21 Boramae has a higher service ceiling at 16,764 meters (55,000 ft) compared to the F-35 Lightning II's 15,000 meters (49,212 ft).
Which is heavier, the F-35 Lightning II or KF-21 Boramae?
The F-35 Lightning II has a higher maximum takeoff weight at 27,216 kg compared to the KF-21 Boramae's 25,401 kg.
Which is larger, the F-35 Lightning II or KF-21 Boramae?
The KF-21 Boramae is longer at 16.8 meters compared to the F-35 Lightning II's 15.6 meters.
Which is more expensive, the F-35 Lightning II or KF-21 Boramae?
The KF-21 Boramae is more expensive at approximately $88 million per unit compared to the F-35 Lightning II at $85 million.
Which entered service first, the F-35 Lightning II or KF-21 Boramae?
The F-35 Lightning II entered service first in 2013, 13 years before the KF-21 Boramae which entered service in 2026.