Nilgiri vs Sigma
Nilgiri vs Sigma at a glance — displacement 6,670 vs 1,692 tons, length 149 vs 90 m, speed 32 vs 28 knots, crew 226 vs 80.
Specifications
|
Nilgiri |
Sigma |
| Origin |
🇮🇳 India |
🇳🇱 Netherlands |
| Category |
Frigate |
Frigate |
| Type |
Guided-missile frigate |
Multi-purpose corvette / frigate |
| Manufacturer |
Mazagon Dock Shipbuilders, Garden Reach Shipbuilders & Engineers |
Damen Schelde Naval Shipbuilding |
| Year introduced |
2025 |
2007 |
| Number built |
7 units |
10 units |
| Estimated unit price |
$480 million |
$222 million |
| Displacement |
6,670 tons |
1,692 tons |
| Maximum speed |
32.0 knots |
28.0 knots |
| Range |
2,500 nm at 28 knots |
4,800 nm at 14 knots |
| Length |
149.0 m |
90.7 m |
| Beam |
17.8 m |
13.0 m |
| Crew |
226 |
80 |
Armament & Systems
|
Nilgiri |
Sigma |
| Armament |
- 8 × BrahMos supersonic cruise missiles (VLS)
- 32 × Barak-8 (MRSAM) surface-to-air missiles
- 1 × 76 mm Oto Melara SRGM
- 2 × AK-630M CIWS
- 2 × 3 324 mm torpedo launchers
- 2 × RBU-6000 anti-submarine rocket launchers
|
- 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 |
CODOG: 2 × GE LM2500+ gas turbines + 2 diesels, 2 shafts |
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 |
Detailed Comparison
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Which has greater displacement, the Nilgiri-class or Sigma-class?
The Nilgiri-class has greater displacement at 6,670 tons compared to the Sigma-class's 1,692 tons.
Which is faster, the Nilgiri-class or Sigma-class?
The Nilgiri-class is faster with a maximum speed of 32 knots compared to the Sigma-class's 28 knots.
Which has longer range, the Nilgiri-class or Sigma-class?
The Sigma-class has a longer range at 4,800 nautical miles compared to the Nilgiri-class's 2,500 nautical miles.
Which is longer, the Nilgiri-class or Sigma-class?
The Nilgiri-class is longer at 149.0 meters compared to the Sigma-class's 90.7 meters.
How many crew members do the Nilgiri-class and Sigma-class have?
The Nilgiri-class has a larger crew complement of 226 compared to the Sigma-class's 80 crew members.
Which is more expensive, the Nilgiri-class or Sigma-class?
The Nilgiri-class is more expensive at approximately $480 million per unit compared to the Sigma-class at $222 million.
Which has been built in greater numbers, the Nilgiri-class or Sigma-class?
The Sigma-class has been built in greater numbers with 10 vessels compared to 7 vessels of the Nilgiri-class.