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 | units |
| Average unit price | $100 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 | $50 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 | -- km |
| Service ceiling | -- m |
| Max. takeoff weight | 25,401 kg â—‰ |
| Empty weight | 11,793 kg â—‰ |
| Total thrust | 2 x 6,123 kgf â—‰ |
| 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 |
| Service ceiling | 20,000 m |
| Max. takeoff weight | 35,000 kg â—‰ |
| Empty weight | 18,500 kg â—‰ |
| Total thrust | 2 x 9,000 kgf â—‰ |
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