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Buyan vs Sigma

Buyan vs Sigma at a glance — displacement 949 vs 1,692 tons, length 75 vs 90 m, speed 28 vs 28 knots, crew 52 vs 80.

Specifications
Buyan Sigma
Origin 🇷🇺 Russia 🇳🇱 Netherlands
Category Corvette Frigate
Type Guided-missile corvette Multi-purpose corvette / frigate
Manufacturer Almaz Shipbuilding Company Damen Schelde Naval Shipbuilding
Year introduced 2006 2007
Number built 15 units 10 units
Estimated unit price NA $222 million
Displacement 949 tons 1,692 tons
Maximum speed 28.0 knots 28.0 knots
Range 2,300 nm at 12 knots 4,800 nm at 14 knots
Length 75.0 m 90.7 m
Beam 11.0 m 13.0 m
Crew 52 80
Performance Radar Chart
Armament & Systems
Buyan Sigma
Armament
  • 1 × 100 mm A-190-01 naval gun
  • 1 × 2 30 mm AK-630-M2 CIWS
  • 1 × Pantsir-M CIWS (Stavropol)
  • 2 × 4 UKSK VLS cells for Kalibr or Oniks anti-ship cruise missiles
  • 2 × 4 Komar surface-to-air missiles
  • 1 × 10 55 mm DP-65 anti-saboteur grenade launcher
  • 2 × 14.5 mm KPV type
  • 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 2 shaft CODAD, 4 × Zvezda M520, 10,875 kW (14,584 shp) and Kolomna Diesel, Pumpjet 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
Explore further
Buyan-class Specs, operators & history →
Largest operators · in service
Sigma-class Specs, operators & history →
Largest operators · in service
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Frequently Asked Questions

Which has greater displacement, the Buyan-class or Sigma-class?
The Sigma-class has greater displacement at 1,692 tons compared to the Buyan-class's 949 tons.
Which is faster, the Buyan-class or Sigma-class?
Both the Buyan-class and Sigma-class have a maximum speed of 28 knots.
Which has longer range, the Buyan-class or Sigma-class?
The Sigma-class has a longer range at 4,800 nautical miles compared to the Buyan-class's 2,300 nautical miles.
Which is longer, the Buyan-class or Sigma-class?
The Sigma-class is longer at 90.7 meters compared to the Buyan-class's 75.0 meters.
How many crew members do the Buyan-class and Sigma-class have?
The Sigma-class has a larger crew complement of 80 compared to the Buyan-class's 52 crew members.
Which has been built in greater numbers, the Buyan-class or Sigma-class?
The Buyan-class has been built in greater numbers with 15 vessels compared to 10 vessels of the Sigma-class.