Echo vs Romeo
The Echo and the Romeo are both Submarine classes. The Echo displaces 4,486 tons — 3.0x the Romeo's 1,475 tons. The Echo reaches 15 knots vs 15 knots for the Romeo. Operational range is 30,000 nautical miles for the Echo vs 9,000 for the Romeo. The Echo carries a crew of 109 vs 54 for the Romeo. Submerged displacement is 5,852 tons for the Echo vs 1,830 tons for the Romeo. The Echo was produced in 34 units vs 133 for the Romeo. The Echo was commissioned in 1960, 3 years after the Romeo (1957).
| Ex-USSR nuclear-powered cruise-missile submarine, introduced in 1960, built with two pressurized water-cooled reactors. | |
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| Origin | 🇨🇳 Ex-USSR |
| Category | Submarine |
| Type | Nuclear-powered cruise-missile submarine |
| Manufacturer | Komsomolsk-on-Amur, shipyard No. 199 |
| Year introduced | 1960 |
| Number built | 34 units |
| Estimated unit price | NA |
| Displacement | 4,486 tons ◉ |
| Maximum speed | 15.0 knots ◉ |
| Range | 30,000 nm ◉ |
| Length | 115.4 m ◉ |
| Beam | 9.3 m ◉ |
| Crew | 109 ◉ |
| Max depth | 300 m |
| Propulsion | 2 pressurized water-cooled reactors 70,000 hp (52 MW) each, 2 steam turbines, 2 shafts |
| Armament |
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| 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 |
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Performance Radar Chart
Frequently Asked Questions
Which has greater displacement, the Echo-class or Romeo-class?
The Echo-class has greater displacement at 4,486 tons compared to the Romeo-class's 1,475 tons.
Which is faster, the Echo-class or Romeo-class?
The Romeo-class is faster with a maximum speed of 15 knots compared to the Echo-class's 15 knots.
Which has longer range, the Echo-class or Romeo-class?
The Echo-class has a longer range at 30,000 nautical miles compared to the Romeo-class's 9,000 nautical miles.
Which is longer, the Echo-class or Romeo-class?
The Echo-class is longer at 115.4 meters compared to the Romeo-class's 76.6 meters.
How many crew members do the Echo-class and Romeo-class have?
The Echo-class has a larger crew complement of 109 compared to the Romeo-class's 54 crew members.
Which has been built in greater numbers, the Echo-class or Romeo-class?
The Romeo-class has been built in greater numbers with 133 vessels compared to 34 vessels of the Echo-class.