FDI vs FF-1052 Knox
The FDI and the FF-1052 Knox are both Frigate classes. Displacement is 4,460 tons for the FDI vs 4,130 tons for the FF-1052 Knox. The FDI reaches 27 knots vs 27 knots for the FF-1052 Knox. Operational range is 5,000 nautical miles for the FDI vs 4,500 for the FF-1052 Knox. The FDI carries a crew of 125 vs 257 for the FF-1052 Knox. The FDI was produced in 2 units vs 46 for the FF-1052 Knox. The FDI was commissioned in 2025, 56 years after the FF-1052 Knox (1969).
| French frigate, introduced in 2025, displaces 4,460 tons and has a crew of 125. | |
| Origin | 🇫🇷 France |
| Category | Frigate |
| Type | General-purpose frigate |
| Manufacturer | Naval Group |
| Year introduced | 2025 |
| Number built | 2 units |
| Estimated unit price | $445 million |
| United States frigate, introduced in 1969, built by Todd Shipyard with a displacement of 4,130 tons. | |
| Origin | 🇺🇸 United States |
| Category | Frigate |
| Type | Frigate |
| Manufacturer | Todd Shipyard |
| Year introduced | 1969 |
| Number built | 46 units |
| Estimated unit price | NA |
| Displacement | 4,460 tons â—‰ |
| Maximum speed | 27.0 knots â—‰ |
| Range | 5,000 nm at 15 knots â—‰ |
| Length | 122.0 m â—‰ |
| Beam | 17.7 m â—‰ |
| Crew | 125 â—‰ |
| Propulsion | Combined diesel and diesel (CODAD) arrangement with a total output of 32,000 kW (43,000 shp) |
| Armament |
|
| Displacement | 4,130 tons â—‰ |
| Maximum speed | 27.0 knots â—‰ |
| Range | 4,500 nm at 20 knots â—‰ |
| Length | 134.0 m â—‰ |
| Beam | 14.3 m â—‰ |
| Crew | 257 â—‰ |
| Propulsion | 1 × Westinghouse steam turbine, 2 × 1,200 psi boilers, 35,000 shp |
| Armament |
|
Performance Radar Chart
Frequently Asked Questions
Which has greater displacement, the FDI-class or FF-1052 Knox-class?
The FDI-class has greater displacement at 4,460 tons compared to the FF-1052 Knox-class's 4,130 tons.
Which is faster, the FDI-class or FF-1052 Knox-class?
The FF-1052 Knox-class is faster with a maximum speed of 27 knots compared to the FDI-class's 27 knots.
Which has longer range, the FDI-class or FF-1052 Knox-class?
The FDI-class has a longer range at 5,000 nautical miles compared to the FF-1052 Knox-class's 4,500 nautical miles.
Which is longer, the FDI-class or FF-1052 Knox-class?
The FF-1052 Knox-class is longer at 134.0 meters compared to the FDI-class's 122.0 meters.
How many crew members do the FDI-class and FF-1052 Knox-class have?
The FF-1052 Knox-class has a larger crew complement of 257 compared to the FDI-class's 125 crew members.
Which has been built in greater numbers, the FDI-class or FF-1052 Knox-class?
The FF-1052 Knox-class has been built in greater numbers with 46 vessels compared to 2 vessels of the FDI-class.