Alfa vs Trafalgar
Overview
The Alfa and the Trafalgar are both Submarine classes.
The Trafalgar displaces 4,800 tons — 2.1x the Alfa's 2,300 tons. The Alfa reaches 12 knots vs 20 knots for the Trafalgar. Operational range is 99,999 nautical miles for the Alfa vs 99,999 for the Trafalgar. The Alfa carries a crew of 31 vs 130 for the Trafalgar. Submerged displacement is 3,200 tons for the Alfa vs 5,300 tons for the Trafalgar. The Alfa can dive to 400 m compared to 300 m for the Trafalgar.
The Alfa was produced in 7 units vs 7 for the Trafalgar. The Alfa was commissioned in 1971, 12 years before the Trafalgar (1983).
| Soviet nuclear attack submarine, introduced in 1971, reached a speed of 42 knots due to its titanium hull. | |
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| Origin | 🇨🇳 Ex-USSR |
| Category | Submarine |
| Type | Nuclear attack submarine |
| Manufacturer | Admiralty yard, Leningrad |
| Year introduced | 1971 |
| Number built | 7 units |
| Estimated unit price | NA |
| British submarine, 4,800 tons displacement, powered by a Rolls-Royce PWR1 nuclear reactor. | |
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| Origin | 🇬🇧 United Kingdom |
| Category | Submarine |
| Type | Nuclear-powered fleet submarines |
| Manufacturer | Vickers Shipbuilding and Engineering |
| Year introduced | 1983 |
| Number built | 7 units |
| Estimated unit price | $573 million |
| Displacement | 2,300 tons ◉ |
| Maximum speed | 12.0 knots ◉ |
| Range | Unlimited ◉ |
| Length | 81.4 m ◉ |
| Beam | 9.5 m ◉ |
| Crew | 31 ◉ |
| Max depth | 400 m ◉ |
| Propulsion | OK-550 or BM-40A, 155-MWt Lead-bismuth cooled, beryllium-moderated reactor; 40,000 shp (30,000 kW) steam turbine, one shaft |
| Armament |
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| Displacement | 4,800 tons ◉ |
| Maximum speed | 20.0 knots ◉ |
| Range | Unlimited ◉ |
| Length | 85.4 m ◉ |
| Beam | 9.8 m ◉ |
| Crew | 130 ◉ |
| Max depth | 300 m ◉ |
| Propulsion | 1 × Rolls-Royce PWR1 nuclear reactor, 2 × GEC steam turbines, 2 × WH Allen turbo generators (3.2 MW), 2 × Paxman diesel generators (2.1 MW), 1 × pump jet propulsor, 1 × motor for emergency drive, 1 × auxiliary retractable prop |
| Armament |
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Performance Radar Chart
Detailed Comparison
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Frequently Asked Questions
Which has greater displacement, the Alfa-class or Trafalgar-class?
The Trafalgar-class has greater displacement at 4,800 tons compared to the Alfa-class's 2,300 tons.
Which is faster, the Alfa-class or Trafalgar-class?
The Trafalgar-class is faster with a maximum speed of 20 knots compared to the Alfa-class's 12 knots.
Which has longer range, the Alfa-class or Trafalgar-class?
Both the Alfa-class and Trafalgar-class are nuclear-powered and have unlimited range, limited only by food supplies and crew endurance.
Which is longer, the Alfa-class or Trafalgar-class?
The Trafalgar-class is longer at 85.4 meters compared to the Alfa-class's 81.4 meters.
How many crew members do the Alfa-class and Trafalgar-class have?
The Trafalgar-class has a larger crew complement of 130 compared to the Alfa-class's 31 crew members.
Which can dive deeper, the Alfa-class or Trafalgar-class?
The Alfa-class can dive deeper with a maximum depth of 400 meters compared to the Trafalgar-class's 300 meters.
Which has been built in greater numbers, the Alfa-class or Trafalgar-class?
Both the Alfa-class and Trafalgar-class have been built in equal numbers with 7 vessels each.