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Riachuelo vs Son Won-il

Riachuelo vs Son Won-il at a glance — displacement 1,900 vs 1,690 tons, length 70 vs 65 m, crew 32 vs 27.

Specifications
Riachuelo Son Won-il
Origin 🇧🇷 Brazil 🇩🇪 Germany
Category Submarine Submarine
Type Diesel-electric attack submarine Diesel-electric submarine
Manufacturer Itaguaí Construções Navais Howaldtswerke-Deutsche Werft
Year introduced 2022 2007
Number built 3 units 16 units
Estimated unit price $1,000 million $330 million
Displacement 1,900 tons 1,690 tons
Maximum speed NA 12.0 knots
Range NA 12,000 nm
Length 70.6 m 65.0 m
Beam 6.2 m 6.3 m
Crew 32 27
Max depth 400 m 400 m
Performance Radar Chart
Armament & Systems
Riachuelo Son Won-il
Armament
  • 6 x 533 mm torpedo tubes
  • 8 x SM39 Exocet anti-ship missiles
  • 18 x F21 heavy-weight torpedoes
  • 30 x naval mines
  • 8 × 533 mm torpedo tubes
  • 4 Sub-Harpoon missile-capable
Propulsion 4x MTU 12V 396 SE84 diesel generators, 1x Jeumont-Schneider electric motor (3,909 hp), 1 shaft Diesel–electric, fuel cell AIP, low-noise skew back propeller; 2 × MTU 16V-396 (3.96 MW) diesel engines; 1 × Siemens Permasyn (2.85 MW) electric motor
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Frequently Asked Questions

Which has greater displacement, the Riachuelo-class or Son Won-il-class?
The Riachuelo-class has greater displacement at 1,900 tons compared to the Son Won-il-class's 1,690 tons.
Which is faster, the Riachuelo-class or Son Won-il-class?
The Son Won-il-class is faster with a maximum speed of 12 knots compared to the Riachuelo-class's 0 knots.
Which has longer range, the Riachuelo-class or Son Won-il-class?
The Son Won-il-class has a longer range at 12,000 nautical miles compared to the Riachuelo-class's 0 nautical miles.
Which is longer, the Riachuelo-class or Son Won-il-class?
The Riachuelo-class is longer at 70.6 meters compared to the Son Won-il-class's 65.0 meters.
How many crew members do the Riachuelo-class and Son Won-il-class have?
The Riachuelo-class has a larger crew complement of 32 compared to the Son Won-il-class's 27 crew members.
Which can dive deeper, the Riachuelo-class or Son Won-il-class?
The Son Won-il-class can dive deeper with a maximum depth of 400 meters compared to the Riachuelo-class's 400 meters.
Which is more expensive, the Riachuelo-class or Son Won-il-class?
The Riachuelo-class is more expensive at approximately $1 billion per unit compared to the Son Won-il-class at $330 million.
Which has been built in greater numbers, the Riachuelo-class or Son Won-il-class?
The Son Won-il-class has been built in greater numbers with 16 vessels compared to 3 vessels of the Riachuelo-class.