Le Triomphant vs Vanguard

French ballistic missile submarine, introduced in 1997, displaces 12,640 tons and carries nuclear missiles.
Profile of Le Triomphant
Origin 🇫🇷 France
Category Submarine
Type Ballistic missile submarine
Manufacturer DCNS
Year introduced 1997
Number built 4 units
Estimated unit price $3,100 million
British submarine, introduced in 1993, propelled by a Rolls-Royce PWR2 nuclear reactor.
Profile of Vanguard
Origin 🇬🇧 United Kingdom
Category Submarine
Type Nuclear-powered ballistic missile submarine
Manufacturer Vickers Shipbuilding and Engineering
Year introduced 1993
Number built 4 units
Estimated unit price $4,800 million
Displacement 12,640 tons â—‰
Maximum speed 15.0 knots â—‰
Range 99,999 nm â—‰
Length 138.0 m â—‰
Beam 12.5 m â—‰
Crew 111 â—‰
Max depth 400 m â—‰
Propulsion 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
Armament
  • 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
Displacement 15,900 tons â—‰
Maximum speed 15.0 knots â—‰
Range 99,999 nm â—‰
Length 149.9 m â—‰
Beam 12.8 m â—‰
Crew 135 â—‰
Max depth 300 m â—‰
Propulsion 1 × Rolls-Royce PWR2 nuclear reactor, 2 × GEC turbines; 27,500 shp (20.5 MW), 1 × shaft, pump jet propulsor, 2 × auxiliary retractable propulsion motors, 2 × Allen turbo generators (6 MW), 2 × Paxman diesel alternators; 2,700 shp (2.0 MW)
Armament
  • 4 × 21-inch (533 mm) torpedo tubes for Spearfish heavyweight torpedoes
  • 16 × ballistic missile tubes for Lockheed Trident II D5 SLBMs

Performance Radar Chart

Frequently Asked Questions

Which has greater displacement, the Le Triomphant-class or Vanguard-class?
The Vanguard-class has greater displacement at 15,900 tons compared to the Le Triomphant-class's 12,640 tons.
Which is faster, the Le Triomphant-class or Vanguard-class?
The Vanguard-class is faster with a maximum speed of 15 knots compared to the Le Triomphant-class's 15 knots.
Which has longer range, the Le Triomphant-class or Vanguard-class?
Both the Le Triomphant-class and Vanguard-class are nuclear-powered and have unlimited range, limited only by food supplies and crew endurance.
Which is longer, the Le Triomphant-class or Vanguard-class?
The Vanguard-class is longer at 149.9 meters compared to the Le Triomphant-class's 138.0 meters.
How many crew members do the Le Triomphant-class and Vanguard-class have?
The Vanguard-class has a larger crew complement of 135 compared to the Le Triomphant-class's 111 crew members.
Which can dive deeper, the Le Triomphant-class or Vanguard-class?
The Le Triomphant-class can dive deeper with a maximum depth of 400 meters compared to the Vanguard-class's 300 meters.
Which is more expensive, the Le Triomphant-class or Vanguard-class?
The Vanguard-class is more expensive at approximately $4.8 billion per unit compared to the Le Triomphant-class at $3.1 billion.
Which has been built in greater numbers, the Le Triomphant-class or Vanguard-class?
Both the Le Triomphant-class and Vanguard-class have been built in equal numbers with 4 vessels each.