GlobalMilitary.net Open-source military intelligence Updated daily
Head-to-head

Columbia vs Dreadnought

Change comparison vs
Specifications
Columbia Dreadnought
Origin 🇺🇸 United States 🇬🇧 United Kingdom
Category Submarine Submarine
Type Nuclear-powered ballistic missile submarine Nuclear-powered ballistic missile submarine
Manufacturer General Dynamics Electric Boat, Newport News Shipbuilding BAE Systems Submarines, Barrow-in-Furness
Year introduced 2030 2032
Number built 12 units 4 units
Estimated unit price $9,150 million NA
Maximum speed NA 20.0 knots
Length 171.0 m 153.6 m
Beam 13.1 m NA
Crew 155 130
Performance Radar Chart
Armament & Systems
Columbia Dreadnought
Armament
  • 16 × Trident II D5 submarine-launched ballistic missiles
  • 533 mm torpedo tubes with Mk 48 torpedoes
  • 12 × missile tubes for Trident II D5 ballistic missiles
  • 4 × 533 mm torpedo tubes with Spearfish heavyweight torpedoes
Propulsion S1B nuclear reactor, turbo-electric drive, pump-jet propulsor Rolls-Royce PWR3 nuclear reactor, turbo-electric drive, pump-jet

Overview

The Columbia and the Dreadnought are both Submarine classes.

The Columbia carries a crew of 155 vs 130 for the Dreadnought. Submerged displacement is 21,140 tons for the Columbia vs 17,200 tons for the Dreadnought.

The Columbia was produced in 12 units vs 4 for the Dreadnought. The Columbia was commissioned in 2030, 2 years before the Dreadnought (2032).

Related Comparisons
Columbia vs Borey Columbia vs Hai Kun Columbia vs Hangor Columbia vs Astute Columbia vs Invincible Columbia vs Yasen

Frequently Asked Questions

Which is faster, the Columbia-class or Dreadnought-class?
The Dreadnought-class is faster with a maximum speed of 20 knots compared to the Columbia-class's 0 knots.
Which is longer, the Columbia-class or Dreadnought-class?
The Columbia-class is longer at 171.0 meters compared to the Dreadnought-class's 153.6 meters.
How many crew members do the Columbia-class and Dreadnought-class have?
The Columbia-class has a larger crew complement of 155 compared to the Dreadnought-class's 130 crew members.
Which has been built in greater numbers, the Columbia-class or Dreadnought-class?
The Columbia-class has been built in greater numbers with 12 vessels compared to 4 vessels of the Dreadnought-class.