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Arihant vs Columbia

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Specifications
Arihant Columbia
Origin 🇮🇳 India 🇺🇸 United States
Category Submarine Submarine
Type Nuclear-powered ballistic missile submarine Nuclear-powered ballistic missile submarine
Manufacturer Ship Building Centre (SBC) General Dynamics Electric Boat, Newport News Shipbuilding
Year introduced 2016 2030
Number built 4 units 12 units
Estimated unit price $470 million $9,150 million
Displacement 6,000 tons NA
Maximum speed 15.0 knots NA
Range Unlimited NA
Length 111.0 m 171.0 m
Beam 11.0 m 13.1 m
Crew 95 155
Max depth 450 m NA
Performance Radar Chart
Armament & Systems
Arihant Columbia
Armament
  • 12 x K15 SLBM
  • 4 x K-4 SLBM
  • 24 x K15 SLBM
  • 8 x K-4 SLBM
  • 8 x K-5 SLBM
  • 6 x 21" (533 mm) torpedo tubes
  • 16 × Trident II D5 submarine-launched ballistic missiles
  • 533 mm torpedo tubes with Mk 48 torpedoes
Propulsion 1 x CLWR-B1 pressurized water reactor (83 MW-100MW), 1 x shaft S1B nuclear reactor, turbo-electric drive, pump-jet propulsor

Overview

The Arihant and the Columbia are both Submarine classes.

The Arihant carries a crew of 95 vs 155 for the Columbia. Submerged displacement is 7,000 tons for the Arihant vs 21,140 tons for the Columbia.

The Arihant was produced in 4 units vs 12 for the Columbia. Cost per hull is $470M for the Arihant vs $9,150M for the Columbia. The Arihant was commissioned in 2016, 14 years before the Columbia (2030).

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Frequently Asked Questions

Which has greater displacement, the Arihant-class or Columbia-class?
The Arihant-class has greater displacement at 6,000 tons compared to the Columbia-class's 0 tons.
Which is faster, the Arihant-class or Columbia-class?
The Arihant-class is faster with a maximum speed of 15 knots compared to the Columbia-class's 0 knots.
Which has longer range, the Arihant-class or Columbia-class?
The Arihant-class is nuclear-powered with unlimited range, while the Columbia-class has a range of 0 nautical miles.
Which is longer, the Arihant-class or Columbia-class?
The Columbia-class is longer at 171.0 meters compared to the Arihant-class's 111.0 meters.
How many crew members do the Arihant-class and Columbia-class have?
The Columbia-class has a larger crew complement of 155 compared to the Arihant-class's 95 crew members.
Which is more expensive, the Arihant-class or Columbia-class?
The Columbia-class is more expensive at approximately $9.2 billion per unit compared to the Arihant-class at $470 million.
Which has been built in greater numbers, the Arihant-class or Columbia-class?
The Columbia-class has been built in greater numbers with 12 vessels compared to 4 vessels of the Arihant-class.