F-84 Thunderjet vs KF-21 Boramae
The F-84 Thunderjet and the KF-21 Boramae are both Combat Aircraft, manufactured by Republic and KAI respectively. The KF-21 Boramae reaches 2,200 km/h — 2.2x the F-84 Thunderjet's 1,001 km/h. The F-84 Thunderjet has an operational range of 1,080 km vs 1,000 km for the KF-21 Boramae. The KF-21 Boramae operates at altitudes up to 16,764 m compared to 12,344 m for the F-84 Thunderjet. At 25,401 kg MTOW, the KF-21 Boramae is 2.4x the F-84 Thunderjet's 10,590 kg. Unit cost is $1.4M for the F-84 Thunderjet vs $87.5M for the KF-21 Boramae. The F-84 Thunderjet first flew 76 years before the KF-21 Boramae (1946 vs 2022).
| American fighter-bomber of the 1940s–1950s era, notable in the Korean War for close air support and strategic bombing missions. | |
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| Origin country | 🇺🇸 United States |
| Category | Combat Aircraft |
| Manufacturer | Republic |
| First flight | 28 February 1946 |
| Year introduced | 1950 |
| Number produced | 7524 units |
| Average unit price | $1.4 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 | 24.0 m² ◉ |
| Wingspan | 11.1 m ◉ |
| Height | 3.8 m ◉ |
| Length | 11.6 m ◉ |
| Maximum speed | 1001 km/h ◉ |
| Operational range | 1,080 km ◉ |
| Service ceiling | 12,344 m ◉ |
| Max. takeoff weight | 10,590 kg ◉ |
| Empty weight | 5,200 kg ◉ |
| Total thrust | 1 x 2,522 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 12,246 kgf ◉ |
Performance Radar Chart
Frequently Asked Questions
Which is faster, the F-84 Thunderjet or KF-21 Boramae?
The KF-21 Boramae is faster with a maximum speed of 2,200 km/h compared to the F-84 Thunderjet's 1,001 km/h, a difference of 1,199 km/h.
Which has longer range, the F-84 Thunderjet or KF-21 Boramae?
The F-84 Thunderjet has a longer range at 1,080 km compared to the KF-21 Boramae's 1,000 km.
Which can fly higher, the F-84 Thunderjet or KF-21 Boramae?
The KF-21 Boramae has a higher service ceiling at 16,764 meters (55,000 ft) compared to the F-84 Thunderjet's 12,344 meters (40,498 ft).
Which is heavier, the F-84 Thunderjet or KF-21 Boramae?
The KF-21 Boramae has a higher maximum takeoff weight at 25,401 kg compared to the F-84 Thunderjet's 10,590 kg.
Which is larger, the F-84 Thunderjet or KF-21 Boramae?
The KF-21 Boramae is longer at 16.8 meters compared to the F-84 Thunderjet's 11.6 meters.
Which is more expensive, the F-84 Thunderjet or KF-21 Boramae?
The KF-21 Boramae is more expensive at approximately $88 million per unit compared to the F-84 Thunderjet at $1.4 million.
Which entered service first, the F-84 Thunderjet or KF-21 Boramae?
The F-84 Thunderjet entered service first in 1950, 76 years before the KF-21 Boramae which entered service in 2026.