Romeo vs Thresher

The Romeo and the Thresher are both Submarine classes. The Thresher displaces 3,810 tons — 2.6x the Romeo's 1,475 tons. The Romeo reaches 15 knots vs 15 knots for the Thresher. Operational range is 9,000 nautical miles for the Romeo vs 99,999 for the Thresher. The Romeo carries a crew of 54 vs 112 for the Thresher. Submerged displacement is 1,830 tons for the Romeo vs 4,369 tons for the Thresher. The Romeo was produced in 133 units vs 14 for the Thresher. The Romeo was commissioned in 1957, 4 years before the Thresher (1961).

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
American nuclear submarine, 3,810 tons displacement, propelled by a 15,000 shp S5W reactor.
Origin 🇺🇸 United States
Category Submarine
Type Nuclear submarine
Manufacturer Portsmouth Naval Shipyard
Year introduced 1961
Number built 14 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
  • 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 3,810 tons
Maximum speed 15.0 knots
Range Unlimited
Length 84.9 m
Beam 9.6 m
Crew 112
Max depth 400 m
Propulsion 1 S5W PWR, 2 steam turbines, 15,000 shp (11 MW), 1 shaft
Armament
  • 4 × 21 inch (533 mm) torpedo tubes amidships
  • 12-18 × Mark 37 torpedoes (later Mark 48s)
  • 4-6 × UUM-44 SUBROC anti-submarine missiles
  • 4 × UGM-84 Harpoon anti-ship missiles

Performance Radar Chart

Frequently Asked Questions

Which has greater displacement, the Romeo-class or Thresher-class?
The Thresher-class has greater displacement at 3,810 tons compared to the Romeo-class's 1,475 tons.
Which is faster, the Romeo-class or Thresher-class?
The Thresher-class is faster with a maximum speed of 15 knots compared to the Romeo-class's 15 knots.
Which has longer range, the Romeo-class or Thresher-class?
The Thresher-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 Thresher-class?
The Thresher-class is longer at 84.9 meters compared to the Romeo-class's 76.6 meters.
How many crew members do the Romeo-class and Thresher-class have?
The Thresher-class has a larger crew complement of 112 compared to the Romeo-class's 54 crew members.
Which has been built in greater numbers, the Romeo-class or Thresher-class?
The Romeo-class has been built in greater numbers with 133 vessels compared to 14 vessels of the Thresher-class.