Astute vs Columbia
Astute vs Columbia at a glance — length 97 vs 171 m, crew 98 vs 155.
Specifications
|
Astute |
Columbia |
| Origin |
🇬🇧 United Kingdom |
🇺🇸 United States |
| Category |
Submarine |
Submarine |
| Type |
Nuclear-powered attack submarine |
Nuclear-powered ballistic missile submarine |
| Manufacturer |
BAE Systems Submarines |
General Dynamics Electric Boat, Newport News Shipbuilding |
| Year introduced |
2010 |
2030 |
| Number built |
6 units |
12 units |
| Estimated unit price |
$2,112 million |
$9,150 million |
| Displacement |
7,400 tons |
NA |
| Maximum speed |
10.0 knots |
NA |
| Range |
Unlimited |
NA |
| Length |
97.0 m |
171.0 m |
| Beam |
11.3 m |
13.1 m |
| Crew |
98 |
155 |
| Max depth |
300 m |
NA |
Armament & Systems
|
Astute |
Columbia |
| Armament |
- 6 × 21 in (533 mm) torpedo tubes
- Tomahawk Block IV cruise missiles
- Spearfish heavyweight torpedoes
|
- 16 × Trident II D5 submarine-launched ballistic missiles
- 533 mm torpedo tubes with Mk 48 torpedoes
|
| Propulsion |
1 × Rolls-Royce PWR2 nuclear reactor; MTU 600 kilowatt diesel generators |
S1B nuclear reactor, turbo-electric drive, pump-jet propulsor |
Detailed Comparison
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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.
