Niterói vs Type 21
Overview
The Niterói and the Type 21 are both Frigate classes.
Displacement is 3,355 tons for the Niterói vs 3,250 tons for the Type 21. The Niterói reaches 30 knots vs 37 knots for the Type 21. Operational range is 5,300 nautical miles for the Niterói vs 4,000 for the Type 21. The Niterói carries a crew of 217 vs 177 for the Type 21.
The Niterói was produced in 7 units vs 8 for the Type 21. The Niterói was commissioned in 1976, 2 years after the Type 21 (1974).
| Brazilian frigate, 3,355 tons displacement, propelled by CODOG system. | |
| Origin | 🇧🇷 Brazil |
| Category | Frigate |
| Type | Frigate |
| Manufacturer | Vosper Thornycroft |
| Year introduced | 1976 |
| Number built | 7 units |
| Estimated unit price | NA |
| British frigate, 3,250 tons displacement, propelled by COGOG arrangement for a top speed of 37 knots. | |
| Origin | 🇬🇧 United Kingdom |
| Category | Frigate |
| Type | Frigate |
| Manufacturer | Yarrow Shipbuilders |
| Year introduced | 1974 |
| Number built | 8 units |
| Estimated unit price | $60 million |
| Displacement | 3,355 tons ◉ |
| Maximum speed | 30.0 knots ◉ |
| Range | 5,300 nm at 19 knots ◉ |
| Length | 129.2 m ◉ |
| Beam | 13.5 m ◉ |
| Crew | 217 ◉ |
| Propulsion | CODOG: 2 × Rolls-Royce Olympus gas turbines, 4 × MTU diesels |
| Armament |
• 1 × 114 mm Mk 8 gun • Aspide SAM • Exocet missiles • Mk 46 torpedoes |
| Displacement | 3,250 tons ◉ |
| Maximum speed | 37.0 knots ◉ |
| Range | 4,000 nm at 1200 knots ◉ |
| Length | 117.0 m ◉ |
| Beam | 12.7 m ◉ |
| Crew | 177 ◉ |
| Propulsion | COGOG on 2 shafts; 2 × Tyne cruise turbines: 8,500 shp (6,300 kW); 2 × Olympus boost turbines: 50,000 shp (37,000 kW) |
| Armament |
|
Performance Radar Chart
Detailed Comparison
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Frequently Asked Questions
Which has greater displacement, the Niterói-class or Type 21-class?
The Niterói-class has greater displacement at 3,355 tons compared to the Type 21-class's 3,250 tons.
Which is faster, the Niterói-class or Type 21-class?
The Type 21-class is faster with a maximum speed of 37 knots compared to the Niterói-class's 30 knots.
Which has longer range, the Niterói-class or Type 21-class?
The Niterói-class has a longer range at 5,300 nautical miles compared to the Type 21-class's 4,000 nautical miles.
Which is longer, the Niterói-class or Type 21-class?
The Niterói-class is longer at 129.2 meters compared to the Type 21-class's 117.0 meters.
How many crew members do the Niterói-class and Type 21-class have?
The Niterói-class has a larger crew complement of 217 compared to the Type 21-class's 177 crew members.
Which has been built in greater numbers, the Niterói-class or Type 21-class?
The Type 21-class has been built in greater numbers with 8 vessels compared to 7 vessels of the Niterói-class.