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Daegu vs Sigma

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Specifications
Daegu Sigma
Origin 🇰🇷 South Korea 🇳🇱 Netherlands
Category Frigate Frigate
Type Guided-missile frigate Multi-purpose corvette / frigate
Manufacturer Daewoo Shipbuilding & Marine Engineering Damen Schelde Naval Shipbuilding
Year introduced 2018 2007
Number built 8 units 10 units
Estimated unit price $325 million $222 million
Displacement 3,600 tons 1,692 tons
Maximum speed 30.0 knots 28.0 knots
Range 4,500 nm 4,800 nm at 14 knots
Length 122.0 m 90.7 m
Beam 14.0 m 13.0 m
Crew 140 80
Performance Radar Chart
Armament & Systems
Daegu Sigma
Armament
  • 1 × 5-inch (127 mm)/L62 caliber Mk 45 Mod 4 naval gun
  • 1 × 20 mm Phalanx CIWS
  • 6 × K745 Blue Shark torpedo in triple torpedo tubes
  • 8 × SSM-700K Haeseong Anti-ship Missile
  • 16-cell K-VLS (Haegung K-SAAM, Haeryong VL-Tactical Land Attack Missiles, K745A1 Red Shark)
  • 1 × Oto Melara 76 mm gun
  • 2 × 20 mm Denel GI-2 gun
  • 2 × quad (8) Mistral TETRAL Anti-air missile
  • 4 × Exocet MM40 Block II/MM40 Block III anti-surface missile
  • 2 × B515/3 triple launchers for lightweight WASS A244-S mod.3 / EuroTorp MU 90 torpedoes
Propulsion Combined diesel–electric or gas (CODLOG): 1 × Rolls-Royce MT30 gas turbine, 4 × MTU 12V 4000 M53B diesel engine, 2 × Leonardo DRS electric motors 2 × SEMT Pielstick 20PA6B STC rated at 8910 kW each driving a lightweight Geislinger coupling; 4 × Caterpillar 3406C TA generator rated at 350 kW each; 1 × Caterpillar 3304B emergency generator rated at 105 kW; 2 × shaft with Rolls-Royce Kamewa 5 bladed controllable pitch propeller

Overview

The Daegu and the Sigma are both Frigate classes.

The Daegu displaces 3,600 tons — 2.1x the Sigma's 1,692 tons. The Daegu reaches 30 knots vs 28 knots for the Sigma. Operational range is 4,500 nautical miles for the Daegu vs 4,800 for the Sigma. The Daegu carries a crew of 140 vs 80 for the Sigma.

The Daegu was produced in 8 units vs 10 for the Sigma. Cost per hull is $325M for the Daegu vs $222M for the Sigma. The Daegu was commissioned in 2018, 11 years after the Sigma (2007).

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Frequently Asked Questions

Which has greater displacement, the Daegu-class or Sigma-class?
The Daegu-class has greater displacement at 3,600 tons compared to the Sigma-class's 1,692 tons.
Which is faster, the Daegu-class or Sigma-class?
The Daegu-class is faster with a maximum speed of 30 knots compared to the Sigma-class's 28 knots.
Which has longer range, the Daegu-class or Sigma-class?
The Sigma-class has a longer range at 4,800 nautical miles compared to the Daegu-class's 4,500 nautical miles.
Which is longer, the Daegu-class or Sigma-class?
The Daegu-class is longer at 122.0 meters compared to the Sigma-class's 90.7 meters.
How many crew members do the Daegu-class and Sigma-class have?
The Daegu-class has a larger crew complement of 140 compared to the Sigma-class's 80 crew members.
Which is more expensive, the Daegu-class or Sigma-class?
The Daegu-class is more expensive at approximately $325 million per unit compared to the Sigma-class at $222 million.
Which has been built in greater numbers, the Daegu-class or Sigma-class?
The Sigma-class has been built in greater numbers with 10 vessels compared to 8 vessels of the Daegu-class.