Romeo vs Alfa

The Romeo and the Alfa are both Submarine classes. Displacement is 1,475 tons for the Romeo vs 2,300 tons for the Alfa. The Romeo reaches 15 knots vs 12 knots for the Alfa. Operational range is 9,000 nautical miles for the Romeo vs 99,999 for the Alfa. The Romeo carries a crew of 54 vs 31 for the Alfa. Submerged displacement is 1,830 tons for the Romeo vs 3,200 tons for the Alfa. The Romeo was produced in 133 units vs 7 for the Alfa. The Romeo was commissioned in 1957, 14 years before the Alfa (1971).

Ex-USSR diesel-electric submarine, introduced in 1957, with 133 units built.
Profile of Romeo
Origin 🇨🇳 Ex-USSR
Category Submarine
Type Diesel-electric submarine
Manufacturer Krasnoye Sormovo Shipyard
Year introduced 1957
Number built 133 units
Estimated unit price NA
Soviet nuclear attack submarine, introduced in 1971, reached a speed of 42 knots due to its titanium hull.
Profile of Alfa
Origin 🇨🇳 Ex-USSR
Category Submarine
Type Nuclear attack submarine
Manufacturer Admiralty yard, Leningrad
Year introduced 1971
Number built 7 units
Estimated unit price NA
Displacement 1,475 tons â—‰
Maximum speed 15.0 knots â—‰
Range 9,000 nm at 9 knots â—‰
Length 76.6 m â—‰
Beam 6.7 m â—‰
Crew 54 â—‰
Max depth NA
Propulsion Two diesels delivering 2.94 MW (4000 shp) with two electric motors driving two shafts.
Armament
  • 8 × 533 mm (21 in) torpedo tubes (six bow, two stern)
  • 14 × 533 mm (21 in) anti-ship or anti-submarine torpedoes (including Yu-4 and Yu-1)
  • 28 mines
Displacement 2,300 tons â—‰
Maximum speed 12.0 knots â—‰
Range Unlimited â—‰
Length 81.4 m â—‰
Beam 9.5 m â—‰
Crew 31 â—‰
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
  • 6 x 533 mm torpedo tubes
  • 18 SET-65 or 53-65K torpedoes
  • 20 VA-111 Shkval torpedoes
  • 24 mines

Performance Radar Chart

Frequently Asked Questions

Which has greater displacement, the Romeo-class or Alfa-class?
The Alfa-class has greater displacement at 2,300 tons compared to the Romeo-class's 1,475 tons.
Which is faster, the Romeo-class or Alfa-class?
The Romeo-class is faster with a maximum speed of 15 knots compared to the Alfa-class's 12 knots.
Which has longer range, the Romeo-class or Alfa-class?
The Alfa-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 Alfa-class?
The Alfa-class is longer at 81.4 meters compared to the Romeo-class's 76.6 meters.
How many crew members do the Romeo-class and Alfa-class have?
The Romeo-class has a larger crew complement of 54 compared to the Alfa-class's 31 crew members.
Which has been built in greater numbers, the Romeo-class or Alfa-class?
The Romeo-class has been built in greater numbers with 133 vessels compared to 7 vessels of the Alfa-class.