Romeo vs Taigei

The Romeo and the Taigei are both Submarine classes. The Taigei displaces 3,000 tons — 2.0x the Romeo's 1,475 tons. The Romeo reaches 15 knots vs 13 knots for the Taigei. The Romeo carries a crew of 54 vs 70 for the Taigei. The Romeo was produced in 133 units vs 4 for the Taigei. The Romeo was commissioned in 1957, 65 years before the Taigei (2022).

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
Japanese attack submarine, introduced in 2022, utilizes lithium-ion batteries for propulsion.
Origin 🇯🇵 Japan
Category Submarine
Type Attack submarine
Manufacturer Mitsubishi Heavy Industries
Year introduced 2022
Number built 4 units
Estimated unit price $635 million
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
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 3,000 tons
Maximum speed 13.0 knots
Range NA
Length 84.0 m
Beam 9.1 m
Crew 70
Propulsion lithium-ion batteries, snorkel power generation system
Armament
  • 6 × HU-606 21 in (533 mm) torpedo tubes
  • Type 18 torpedo
  • Harpoon (missile)

Performance Radar Chart

Frequently Asked Questions

Which has greater displacement, the Romeo-class or Taigei-class?
The Taigei-class has greater displacement at 3,000 tons compared to the Romeo-class's 1,475 tons.
Which is faster, the Romeo-class or Taigei-class?
The Romeo-class is faster with a maximum speed of 15 knots compared to the Taigei-class's 13 knots.
Which has longer range, the Romeo-class or Taigei-class?
The Romeo-class has a longer range at 9,000 nautical miles compared to the Taigei-class's 0 nautical miles.
Which is longer, the Romeo-class or Taigei-class?
The Taigei-class is longer at 84.0 meters compared to the Romeo-class's 76.6 meters.
How many crew members do the Romeo-class and Taigei-class have?
The Taigei-class has a larger crew complement of 70 compared to the Romeo-class's 54 crew members.
Which has been built in greater numbers, the Romeo-class or Taigei-class?
The Romeo-class has been built in greater numbers with 133 vessels compared to 4 vessels of the Taigei-class.