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Dreadnought vs Le Triomphant

Dreadnought vs Le Triomphant at a glance — length 153 vs 138 m, speed 20 vs 15 knots, crew 130 vs 111.

Le Triomphant submarine side profile drawing
🇫🇷 Le Triomphant
Specifications
Dreadnought Le Triomphant
Origin 🇬🇧 United Kingdom 🇫🇷 France
Category Submarine Submarine
Type Nuclear-powered ballistic missile submarine Nuclear-powered ballistic missile submarine
Manufacturer BAE Systems Submarines, Barrow-in-Furness DCNS
Year introduced 2032 1997
Number built 4 units 4 units
Estimated unit price NA $3,100 million
Displacement NA 12,640 tons
Maximum speed 20.0 knots 15.0 knots
Range NA Unlimited
Length 153.6 m 138.0 m
Beam NA 12.5 m
Crew 130 111
Max depth NA 400 m
Performance Radar Chart
Armament & Systems
Dreadnought Le Triomphant
Armament
  • 12 × missile tubes for Trident II D5 ballistic missiles
  • 4 × 533 mm torpedo tubes with Spearfish heavyweight torpedoes
  • 16 M45 or M51/51.3 missiles with six to ten TN 75 or TNO thermonuclear warheads
  • Four 533 mm (21 in) torpedo tubes for F17 torpedoes and Exocet SM39 anti-ship missiles
Propulsion Rolls-Royce PWR3 nuclear reactor, turbo-electric drive, pump-jet K15 pressurized water reactor 150 MWth with turboreductor pump-to-shaft system of 30,5 MW; two emergency diesel-powered generators SEMT Pielstick 8PA4V200 SM (700 kW (940 hp)) auxiliaries
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Frequently Asked Questions

Which has greater displacement, the Dreadnought-class or Le Triomphant-class?
The Le Triomphant-class has greater displacement at 12,640 tons compared to the Dreadnought-class's 0 tons.
Which is faster, the Dreadnought-class or Le Triomphant-class?
The Dreadnought-class is faster with a maximum speed of 20 knots compared to the Le Triomphant-class's 15 knots.
Which has longer range, the Dreadnought-class or Le Triomphant-class?
The Le Triomphant-class is nuclear-powered with unlimited range, while the Dreadnought-class has a range of 0 nautical miles.
Which is longer, the Dreadnought-class or Le Triomphant-class?
The Dreadnought-class is longer at 153.6 meters compared to the Le Triomphant-class's 138.0 meters.
How many crew members do the Dreadnought-class and Le Triomphant-class have?
The Dreadnought-class has a larger crew complement of 130 compared to the Le Triomphant-class's 111 crew members.
Which has been built in greater numbers, the Dreadnought-class or Le Triomphant-class?
Both the Dreadnought-class and Le Triomphant-class have been built in equal numbers with 4 vessels each.