FDI vs Formidable

Overview

The FDI and the Formidable are both Frigate classes.

Displacement is 4,460 tons for the FDI vs 3,200 tons for the Formidable. The FDI reaches 27 knots vs 27 knots for the Formidable. Operational range is 5,000 nautical miles for the FDI vs 4,200 for the Formidable. The FDI carries a crew of 125 vs 71 for the Formidable.

The FDI was produced in 2 units vs 6 for the Formidable. The FDI was commissioned in 2025, 18 years after the Formidable (2007).

FDI

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
French frigate, introduced in 2007, reaches 27 knots using a CODAD propulsion system.
Origin 🇫🇷 France
Category Frigate
Type Frigate
Manufacturer DCNS
Year introduced 2007
Number built 6 units
Estimated unit price NA

FDI

Displacement 4,460 tons
Maximum speed 27.0 knots
Range 5,000 nm at 15 knots
Length 122.0 m
Beam 17.7 m
Crew 125
Propulsion Combined diesel and diesel (CODAD) arrangement with a total output of 32,000 kW (43,000 shp)
Armament
  • 1 × Oto Melara 76 mm Super Rapid gun
  • 2 × Nexter Narwhal 20B 20 mm RWS
  • 8 × Exocet MM-40 Block 3c anti-ship missiles
  • 2 × Sylver A50 8-cell VLS for 16 Aster 15 or 30 surface-to-air missiles
  • 2 × 2 Sadral Mistral Simbad-RC point-defence SAM
  • 2 × twin torpedo tubes for MU90 Impact torpedoes
Displacement 3,200 tons
Maximum speed 27.0 knots
Range 4,200 nm
Length 114.8 m
Beam 16.3 m
Crew 71
Propulsion Combined diesel and diesel (CODAD) arrangement: 4 × MTU 20V 8000 M90, each rated at 9,100 kW (12,200 shp). Total output: 36,400 kW (48,800 shp)
Armament
  • 8 (Up to 24) × RGM-84C Harpoon SSMs (to be replaced by Blue Spear SSM)
  • 16-cell Sylver A50 VLS for MBDA Aster 15/30
  • 16-cell Sylver A43 VLS for MBDA Aster 15
  • 2 × B515 triple tubes for EuroTorp A244/S Mod 3 torpedoes
  • 1x OTO Melara 76mm Super Rapid gun
  • 4 × STK 50MG 12.7 mm HMG
  • 2 × 25mm Mk 38 Mod2 Typhoon Weapon Station Stabilised Gun
  • Long-Range Acoustic Device 500 Xtreme (LRAD500X)

Performance Radar Chart

Frequently Asked Questions

Which has greater displacement, the FDI-class or Formidable-class?
The FDI-class has greater displacement at 4,460 tons compared to the Formidable-class's 3,200 tons.
Which is faster, the FDI-class or Formidable-class?
The Formidable-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 Formidable-class?
The FDI-class has a longer range at 5,000 nautical miles compared to the Formidable-class's 4,200 nautical miles.
Which is longer, the FDI-class or Formidable-class?
The FDI-class is longer at 122.0 meters compared to the Formidable-class's 114.8 meters.
How many crew members do the FDI-class and Formidable-class have?
The FDI-class has a larger crew complement of 125 compared to the Formidable-class's 71 crew members.
Which has been built in greater numbers, the FDI-class or Formidable-class?
The Formidable-class has been built in greater numbers with 6 vessels compared to 2 vessels of the FDI-class.