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Astute vs Columbia

Overview

The Astute and the Columbia are both Submarine classes.

The Astute carries a crew of 98 vs 155 for the Columbia. Submerged displacement is 7,800 tons for the Astute vs 21,140 tons for the Columbia.

The Astute was produced in 6 units vs 12 for the Columbia. Cost per hull is $2,112M for the Astute vs $9,150M for the Columbia. The Astute was commissioned in 2010, 20 years before the Columbia (2030).

British nuclear-powered submarine, 7,400 tons displacement, entered service in 2010.
Origin πŸ‡¬πŸ‡§ United Kingdom
Category Submarine
Type Nuclear-powered attack submarine
Manufacturer BAE Systems Submarines
Year introduced 2010
Number built 6 units
Estimated unit price $2,112 million
Future US ballistic missile submarine replacing the Ohio class, the US Navy's top procurement priority.
Origin πŸ‡ΊπŸ‡Έ United States
Category Submarine
Type Nuclear-powered ballistic missile submarine
Manufacturer General Dynamics Electric Boat, Newport News Shipbuilding
Year introduced 2030
Number built 12 units
Estimated unit price $9,150 million
Displacement 7,400 tons
Maximum speed 10.0 knots
Range Unlimited
Length 97.0 m β—‰
Beam 11.3 m β—‰
Crew 98 β—‰
Max depth 300 m
Propulsion 1 Γ— Rolls-Royce PWR2 nuclear reactor; MTU 600 kilowatt diesel generators
Armament
  • 6 Γ— 21 in (533 mm) torpedo tubes
  • Tomahawk Block IV cruise missiles
  • Spearfish heavyweight torpedoes
Displacement NA
Maximum speed NA
Range NA
Length 171.0 m β—‰
Beam 13.1 m β—‰
Crew 155 β—‰
Max depth NA
Propulsion S1B nuclear reactor, turbo-electric drive, pump-jet propulsor
Armament
  • 16 Γ— Trident II D5 submarine-launched ballistic missiles
  • 533 mm torpedo tubes with Mk 48 torpedoes

Performance Radar Chart

Frequently Asked Questions

Which has greater displacement, the Astute-class or Columbia-class?
The Astute-class has greater displacement at 7,400 tons compared to the Columbia-class's 0 tons.
Which is faster, the Astute-class or Columbia-class?
The Astute-class is faster with a maximum speed of 10 knots compared to the Columbia-class's 0 knots.
Which has longer range, the Astute-class or Columbia-class?
The Astute-class is nuclear-powered with unlimited range, while the Columbia-class has a range of 0 nautical miles.
Which is longer, the Astute-class or Columbia-class?
The Columbia-class is longer at 171.0 meters compared to the Astute-class's 97.0 meters.
How many crew members do the Astute-class and Columbia-class have?
The Columbia-class has a larger crew complement of 155 compared to the Astute-class's 98 crew members.
Which is more expensive, the Astute-class or Columbia-class?
The Columbia-class is more expensive at approximately $9.2 billion per unit compared to the Astute-class at $2.1 billion.
Which has been built in greater numbers, the Astute-class or Columbia-class?
The Columbia-class has been built in greater numbers with 12 vessels compared to 6 vessels of the Astute-class.