Columbia vs Riachuelo
Columbia vs Riachuelo at a glance — length 171 vs 70 m, crew 155 vs 32.
Specifications
|
Columbia |
Riachuelo |
| Origin |
🇺🇸 United States |
🇧🇷 Brazil |
| Category |
Submarine |
Submarine |
| Type |
Nuclear-powered ballistic missile submarine |
Diesel-electric attack submarine |
| Manufacturer |
General Dynamics Electric Boat, Newport News Shipbuilding |
Itaguaí Construções Navais |
| Year introduced |
2030 |
2022 |
| Number built |
12 units |
3 units |
| Estimated unit price |
$9,150 million |
$1,000 million |
| Displacement |
NA |
1,900 tons |
| Length |
171.0 m |
70.6 m |
| Beam |
13.1 m |
6.2 m |
| Crew |
155 |
32 |
| Max depth |
NA |
400 m |
Armament & Systems
|
Columbia |
Riachuelo |
| Armament |
- 16 × Trident II D5 submarine-launched ballistic missiles
- 533 mm torpedo tubes with Mk 48 torpedoes
|
- 6 x 533 mm torpedo tubes
- 8 x SM39 Exocet anti-ship missiles
- 18 x F21 heavy-weight torpedoes
- 30 x naval mines
|
| Propulsion |
S1B nuclear reactor, turbo-electric drive, pump-jet propulsor |
4x MTU 12V 396 SE84 diesel generators, 1x Jeumont-Schneider electric motor (3,909 hp), 1 shaft |
Detailed Comparison
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Which has greater displacement, the Columbia-class or Riachuelo-class?
The Riachuelo-class has greater displacement at 1,900 tons compared to the Columbia-class's 0 tons.
Which is longer, the Columbia-class or Riachuelo-class?
The Columbia-class is longer at 171.0 meters compared to the Riachuelo-class's 70.6 meters.
How many crew members do the Columbia-class and Riachuelo-class have?
The Columbia-class has a larger crew complement of 155 compared to the Riachuelo-class's 32 crew members.
Which is more expensive, the Columbia-class or Riachuelo-class?
The Columbia-class is more expensive at approximately $9.2 billion per unit compared to the Riachuelo-class at $1 billion.
Which has been built in greater numbers, the Columbia-class or Riachuelo-class?
The Columbia-class has been built in greater numbers with 12 vessels compared to 3 vessels of the Riachuelo-class.