KF-21 Boramae vs Su-57 Felon
| 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 |
| Russian stealth fighter, developed in the modern era, with first operational deployment in Syrian conflict of 2020. | |
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| Origin country | 🇷🇺 Russia |
| Category | Combat Aircraft |
| Manufacturer | Sukhoi |
| First flight | 29 January 2010 |
| Year introduced | 2020 |
| Number produced | 32 units |
| Average unit price | $42 million |
| 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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| Wing area | 78.8 m² ◉ |
| Wingspan | 14.1 m â—‰ |
| Height | 4.6 m â—‰ |
| Length | 20.1 m â—‰ |
| Maximum speed | 2135 km/h |
| Operational range | 3,500 km â—‰ |
| Service ceiling | 20,000 m |
| Max. takeoff weight | 35,000 kg â—‰ |
| Empty weight | 18,500 kg â—‰ |
| Total thrust | 2 x 28,960 kgf â—‰ |
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Performance Radar Chart
Frequently Asked Questions
Which is faster, the KF-21 Boramae or Su-57 Felon?
The Su-57 Felon is faster with a maximum speed of 2,135 km/h compared to the KF-21 Boramae's 0 km/h, a difference of 2,135 km/h.
Which has longer range, the KF-21 Boramae or Su-57 Felon?
The Su-57 Felon has a longer range at 3,500 km compared to the KF-21 Boramae's 1,000 km.
Which can fly higher, the KF-21 Boramae or Su-57 Felon?
The Su-57 Felon 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 KF-21 Boramae or Su-57 Felon?
The Su-57 Felon has a higher maximum takeoff weight at 35,000 kg compared to the KF-21 Boramae's 25,401 kg.
Which is larger, the KF-21 Boramae or Su-57 Felon?
The Su-57 Felon is longer at 20.1 meters compared to the KF-21 Boramae's 16.8 meters.
Which is more expensive, the KF-21 Boramae or Su-57 Felon?
The KF-21 Boramae is more expensive at approximately $88 million per unit compared to the Su-57 Felon at $42 million.
Which entered service first, the KF-21 Boramae or Su-57 Felon?
The Su-57 Felon entered service first in 2020, 6 years before the KF-21 Boramae which entered service in 2026.