Duke vs Riga
The Duke and the Riga are both Frigate classes. The Duke displaces 4,900 tons — 3.5x the Riga's 1,416 tons. The Duke reaches 28 knots vs 28 knots for the Riga. Operational range is 7,500 nautical miles for the Duke vs 1,950 for the Riga. The Duke carries a crew of 185 vs 175 for the Riga. The Duke was produced in 16 units vs 69 for the Riga. The Duke was commissioned in 1987, 33 years after the Riga (1954).
| British frigate, 4,900 tons displacement, uses CODLAG propulsion. | |
| Origin | 🇬🇧 United Kingdom |
| Category | Frigate |
| Type | Anti-submarine warfare frigate |
| Manufacturer | Yarrow Shipbuilders |
| Year introduced | 1987 |
| Number built | 16 units |
| Estimated unit price | $165 million |
| Displacement | 4,900 tons ◉ |
| Maximum speed | 28.0 knots ◉ |
| Range | 7,500 nm at 15 knots ◉ |
| Length | 133.0 m ◉ |
| Beam | 16.1 m ◉ |
| Crew | 185 ◉ |
| Propulsion | CODLAG: 4 × 1,510 kW (2,025 hp) Paxman Valenta 12CM diesel generators or 4 × 1,650 kW (2,210 shp) MTU 12V4000 M53 diesel generators; 2 × GEC electric motors delivering 2,980 kW (3,996 hp) each; 2 × Rolls-Royce Marine Spey SM1C delivering 19,500 kW (26,150 hp) |
| Armament |
|
| Displacement | 1,416 tons ◉ |
| Maximum speed | 28.0 knots ◉ |
| Range | 1,950 nm at 14 knots ◉ |
| Length | 91.0 m ◉ |
| Beam | 10.2 m ◉ |
| Crew | 175 ◉ |
| Propulsion | 2 × shaft steam turbines, 2 × boilers; 21,000 hp (16,000 kW) |
| Armament |
|
Performance Radar Chart
Frequently Asked Questions
Which has greater displacement, the Duke-class or Riga-class?
The Duke-class has greater displacement at 4,900 tons compared to the Riga-class's 1,416 tons.
Which is faster, the Duke-class or Riga-class?
The Riga-class is faster with a maximum speed of 28 knots compared to the Duke-class's 28 knots.
Which has longer range, the Duke-class or Riga-class?
The Duke-class has a longer range at 7,500 nautical miles compared to the Riga-class's 1,950 nautical miles.
Which is longer, the Duke-class or Riga-class?
The Duke-class is longer at 133.0 meters compared to the Riga-class's 91.0 meters.
How many crew members do the Duke-class and Riga-class have?
The Duke-class has a larger crew complement of 185 compared to the Riga-class's 175 crew members.
Which has been built in greater numbers, the Duke-class or Riga-class?
The Riga-class has been built in greater numbers with 69 vessels compared to 16 vessels of the Duke-class.