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Sang-O vs Swiftsure

Sang-O vs Swiftsure at a glance — displacement 275 vs 4,400 tons, length 34 vs 82 m, speed 7 vs 20 knots, crew 15 vs 116.

Swiftsure submarine side profile drawing
🇬🇧 Swiftsure
Specifications
Sang-O Swiftsure
Origin 🇰🇵 North Korea 🇬🇧 United Kingdom
Category Submarine Submarine
Type Coastal submarine Nuclear-powered attack submarine
Manufacturer Bong Dao Bo Shipyard, Sinpo Vickers Shipbuilding and Engineering Ltd. (VSEL)
Year introduced 1991 1973
Number built 41 units 6 units
Estimated unit price NA NA
Displacement 275 tons 4,400 tons
Maximum speed 7.5 knots 20.0 knots
Range 1,500 nm Unlimited
Length 34.0 m 82.9 m
Beam 3.8 m 9.8 m
Crew 15 116
Max depth 150 m 300 m
Performance Radar Chart
Armament & Systems
Sang-O Swiftsure
Armament
  • 4 × 533 mm torpedo tubes with 53-65KE torpedoes
  • Minelaying capability (up to 16 mines)
  • 5 x 21 inch (533 mm) torpedo tubes
  • Spearfish torpedoes
  • RN Sub Harpoon missiles
  • Tomahawk missiles
Propulsion Diesel-electric, 1 diesel engine, 1 electric motor, 1 shaft Nuclear Reactor, shrouded pump-jet propulsors
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Frequently Asked Questions

Which has greater displacement, the Sang-O-class or Swiftsure-class?
The Swiftsure-class has greater displacement at 4,400 tons compared to the Sang-O-class's 275 tons.
Which is faster, the Sang-O-class or Swiftsure-class?
The Swiftsure-class is faster with a maximum speed of 20 knots compared to the Sang-O-class's 7 knots.
Which has longer range, the Sang-O-class or Swiftsure-class?
The Swiftsure-class is nuclear-powered with unlimited range, while the Sang-O-class has a range of 1,500 nautical miles.
Which is longer, the Sang-O-class or Swiftsure-class?
The Swiftsure-class is longer at 82.9 meters compared to the Sang-O-class's 34.0 meters.
How many crew members do the Sang-O-class and Swiftsure-class have?
The Swiftsure-class has a larger crew complement of 116 compared to the Sang-O-class's 15 crew members.
Which can dive deeper, the Sang-O-class or Swiftsure-class?
The Swiftsure-class can dive deeper with a maximum depth of 300 meters compared to the Sang-O-class's 150 meters.
Which has been built in greater numbers, the Sang-O-class or Swiftsure-class?
The Sang-O-class has been built in greater numbers with 41 vessels compared to 6 vessels of the Swiftsure-class.