KF-21 Boramae vs Su-35 Flanker-E
The KF-21 Boramae and the Su-35 Flanker-E are both Combat Aircraft, manufactured by KAI and Sukhoi respectively. Top speed is 2,200 km/h for the KF-21 Boramae vs 2,500 km/h for the Su-35 Flanker-E. The KF-21 Boramae has an operational range of 1,000 km vs 3,600 km for the Su-35 Flanker-E. The Su-35 Flanker-E operates at altitudes up to 18,000 m compared to 16,764 m for the KF-21 Boramae. Unit cost is $87.5M for the KF-21 Boramae vs $83M for the Su-35 Flanker-E. The Su-35 Flanker-E first flew 23 years before the KF-21 Boramae (1999 vs 2022).
| 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 |
| Russian multirole fighter, heralded from the late Cold War era, extensively deployed for air superiority and ground attack missions. | |
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| Origin country | 🇷🇺 Russia |
| Category | Combat Aircraft |
| Manufacturer | Sukhoi |
| First flight | 29 April 1999 |
| Year introduced | 2014 |
| Number produced | 151 units |
| Average unit price | $83 million |
| Wing area | 46.0 m² ◉ |
| Wingspan | 11.2 m â—‰ |
| Height | 4.8 m â—‰ |
| Length | 16.8 m â—‰ |
| Maximum speed | 2200 km/h â—‰ |
| Operational range | 1,000 km â—‰ |
| Service ceiling | 16,764 m â—‰ |
| Max. takeoff weight | 25,401 kg â—‰ |
| Empty weight | 11,793 kg â—‰ |
| Total thrust | 2 x 6,123 kgf â—‰ |
| Wing area | 62.0 m² ◉ |
| Wingspan | 15.0 m â—‰ |
| Height | 6.0 m â—‰ |
| Length | 22.0 m â—‰ |
| Maximum speed | 2500 km/h â—‰ |
| Operational range | 3,600 km â—‰ |
| Service ceiling | 18,000 m â—‰ |
| Max. takeoff weight | 34,000 kg â—‰ |
| Empty weight | 18,400 kg â—‰ |
| Total thrust | 2 x 13,700 kgf â—‰ |
Performance Radar Chart
Frequently Asked Questions
Which is faster, the KF-21 Boramae or Su-35 Flanker-E?
The Su-35 Flanker-E is faster with a maximum speed of 2,500 km/h compared to the KF-21 Boramae's 2,200 km/h, a difference of 300 km/h.
Which has longer range, the KF-21 Boramae or Su-35 Flanker-E?
The Su-35 Flanker-E has a longer range at 3,600 km compared to the KF-21 Boramae's 1,000 km.
Which can fly higher, the KF-21 Boramae or Su-35 Flanker-E?
The Su-35 Flanker-E has a higher service ceiling at 18,000 meters (59,055 ft) compared to the KF-21 Boramae's 16,764 meters (55,000 ft).
Which is heavier, the KF-21 Boramae or Su-35 Flanker-E?
The Su-35 Flanker-E has a higher maximum takeoff weight at 34,000 kg compared to the KF-21 Boramae's 25,401 kg.
Which is larger, the KF-21 Boramae or Su-35 Flanker-E?
The Su-35 Flanker-E is longer at 22.0 meters compared to the KF-21 Boramae's 16.8 meters.
Which is more expensive, the KF-21 Boramae or Su-35 Flanker-E?
The KF-21 Boramae is more expensive at approximately $88 million per unit compared to the Su-35 Flanker-E at $83 million.
Which entered service first, the KF-21 Boramae or Su-35 Flanker-E?
The Su-35 Flanker-E entered service first in 2014, 12 years before the KF-21 Boramae which entered service in 2026.