Romeo vs Valiant / Churchill
Overview
The Romeo and the Valiant / Churchill are both Submarine classes.
The Valiant / Churchill displaces 4,500 tons — 3.1x the Romeo's 1,475 tons. The Romeo reaches 15 knots vs 20 knots for the Valiant / Churchill. Operational range is 9,000 nautical miles for the Romeo vs 99,999 for the Valiant / Churchill. The Romeo carries a crew of 54 vs 103 for the Valiant / Churchill. Submerged displacement is 1,830 tons for the Romeo vs 5,000 tons for the Valiant / Churchill.
The Romeo was produced in 133 units vs 2 for the Valiant / Churchill. The Romeo was commissioned in 1957, 9 years before the Valiant / Churchill (1966).
| Ex-USSR diesel-electric submarine, introduced in 1957, with 133 units built. | |
| Origin | 🇨🇳 Ex-USSR |
| Category | Submarine |
| Type | Diesel-electric submarine |
| Manufacturer | Krasnoye Sormovo Shipyard |
| Year introduced | 1957 |
| Number built | 133 units |
| Estimated unit price | NA |
| British nuclear submarine, 4,500 tons displacement, propelled by a Rolls-Royce pressurised water reactor. | |
| Origin | 🇬🇧 United Kingdom |
| Category | Submarine |
| Type | Nuclear submarine |
| Manufacturer | Vickers Armstrong |
| Year introduced | 1966 |
| Number built | 2 units |
| Estimated unit price | NA |
| Displacement | 1,475 tons ◉ |
| Maximum speed | 15.0 knots ◉ |
| Range | 9,000 nm at 9 knots ◉ |
| Length | 76.6 m ◉ |
| Beam | 6.7 m ◉ |
| Crew | 54 ◉ |
| Max depth | NA |
| Propulsion | Two diesels delivering 2.94 MW (4000 shp) with two electric motors driving two shafts. |
| Armament |
|
| Displacement | 4,500 tons ◉ |
| Maximum speed | 20.0 knots ◉ |
| Range | Unlimited ◉ |
| Length | 87.0 m ◉ |
| Beam | 10.1 m ◉ |
| Crew | 103 ◉ |
| Max depth | 300 m |
| Propulsion | 1 × Rolls-Royce pressurised water reactor, 2 × steam turbines, 1 shaft |
| Armament |
|
Performance Radar Chart
Detailed Comparison
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Frequently Asked Questions
Which has greater displacement, the Romeo-class or Valiant / Churchill-class?
The Valiant / Churchill-class has greater displacement at 4,500 tons compared to the Romeo-class's 1,475 tons.
Which is faster, the Romeo-class or Valiant / Churchill-class?
The Valiant / Churchill-class is faster with a maximum speed of 20 knots compared to the Romeo-class's 15 knots.
Which has longer range, the Romeo-class or Valiant / Churchill-class?
The Valiant / Churchill-class is nuclear-powered with unlimited range, while the Romeo-class has a range of 9,000 nautical miles.
Which is longer, the Romeo-class or Valiant / Churchill-class?
The Valiant / Churchill-class is longer at 87.0 meters compared to the Romeo-class's 76.6 meters.
How many crew members do the Romeo-class and Valiant / Churchill-class have?
The Valiant / Churchill-class has a larger crew complement of 103 compared to the Romeo-class's 54 crew members.
Which has been built in greater numbers, the Romeo-class or Valiant / Churchill-class?
The Romeo-class has been built in greater numbers with 133 vessels compared to 2 vessels of the Valiant / Churchill-class.