Ohio vs Le Triomphant

Overview

The Ohio and the Le Triomphant are both Submarine classes.

Displacement is 16,764 tons for the Ohio vs 12,640 tons for the Le Triomphant. The Ohio reaches 12 knots vs 15 knots for the Le Triomphant. Operational range is 99,999 nautical miles for the Ohio vs 99,999 for the Le Triomphant. The Ohio carries a crew of 155 vs 111 for the Le Triomphant. Submerged displacement is 18,750 tons for the Ohio vs 14,335 tons for the Le Triomphant. The Le Triomphant can dive to 400 m compared to 240 m for the Ohio.

The Ohio was produced in 18 units vs 4 for the Le Triomphant. Cost per hull is $2,000M for the Ohio vs $3,100M for the Le Triomphant. The Ohio was commissioned in 1981, 16 years before the Le Triomphant (1997).

Ohio

American submarine, introduced in 1981, displaces 16,764 tons and has a crew of 155.
Profile of Ohio
Origin 🇺🇸 United States
Category Submarine
Type Nuclear ballistic missile submarine
Manufacturer General Dynamics Electric Boat
Year introduced 1981
Number built 18 units
Estimated unit price $2,000 million
View full Ohio details

Le Triomphant

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
View full Le Triomphant details

Ohio

Displacement 16,764 tons ◉
Maximum speed 12.0 knots ◉
Range Unlimited ◉
Length 170.0 m ◉
Beam 13.0 m ◉
Crew 155 ◉
Max depth 240 m ◉
Propulsion 1× S8G PWR nuclear reactor, 2× geared turbines; 35,000 shp (26 MW), 1x Fairbanks Morse auxiliary diesel, 1× 325 hp (242 kW) auxiliary motor, 1 shaft with seven-bladed screw
Armament
  • 4 × 21 inch (533 mm) Mark 48 torpedo tubes
  • 20 × Trident II D5 SLBM
  • 154 × Tomahawk cruise missiles
  • Harpoon missiles

Le Triomphant

Displacement 12,640 tons ◉
Maximum speed 15.0 knots ◉
Range Unlimited ◉
Length 138.0 m ◉
Beam 12.5 m ◉
Crew 111 ◉
Max depth 400 m ◉
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

Performance Radar Chart

Frequently Asked Questions

Which has greater displacement, the Ohio-class or Le Triomphant-class?
The Ohio-class has greater displacement at 16,764 tons compared to the Le Triomphant-class's 12,640 tons.
Which is faster, the Ohio-class or Le Triomphant-class?
The Le Triomphant-class is faster with a maximum speed of 15 knots compared to the Ohio-class's 12 knots.
Which has longer range, the Ohio-class or Le Triomphant-class?
Both the Ohio-class and Le Triomphant-class are nuclear-powered and have unlimited range, limited only by food supplies and crew endurance.
Which is longer, the Ohio-class or Le Triomphant-class?
The Ohio-class is longer at 170.0 meters compared to the Le Triomphant-class's 138.0 meters.
How many crew members do the Ohio-class and Le Triomphant-class have?
The Ohio-class has a larger crew complement of 155 compared to the Le Triomphant-class's 111 crew members.
Which can dive deeper, the Ohio-class or Le Triomphant-class?
The Le Triomphant-class can dive deeper with a maximum depth of 400 meters compared to the Ohio-class's 240 meters.
Which is more expensive, the Ohio-class or Le Triomphant-class?
The Le Triomphant-class is more expensive at approximately $3.1 billion per unit compared to the Ohio-class at $2.0 billion.
Which has been built in greater numbers, the Ohio-class or Le Triomphant-class?
The Ohio-class has been built in greater numbers with 18 vessels compared to 4 vessels of the Le Triomphant-class.

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