Oyashio vs Romeo

The Oyashio and the Romeo are both Submarine classes. Displacement is 2,750 tons for the Oyashio vs 1,475 tons for the Romeo. The Oyashio reaches 12 knots vs 15 knots for the Romeo. The Oyashio carries a crew of 70 vs 54 for the Romeo. Submerged displacement is 3,500 tons for the Oyashio vs 1,830 tons for the Romeo. The Oyashio was produced in 11 units vs 133 for the Romeo. The Oyashio was commissioned in 1998, 41 years after the Romeo (1957).

Japanese attack submarine, introduced in 1998, displaces 2,750 tons.
Profile of Oyashio
Origin 🇯🇵 Japan
Category Submarine
Type Attack submarine
Manufacturer Kawasaki Shipbuilding Corporation
Year introduced 1998
Number built 11 units
Estimated unit price NA
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
Displacement 2,750 tons â—‰
Maximum speed 12.0 knots â—‰
Range NA
Length 81.7 m â—‰
Beam 8.9 m â—‰
Crew 70 â—‰
Propulsion Diesel-electric: 2 Kawasaki 12V25S diesel engines, 2 Kawasaki alternators, 2 Toshiba motors; 3,400 hp (2,500 kW) surfaced, 7,750 hp (5,780 kW) submerged
Armament
  • 6 × HU-605 21 in (533 mm) torpedo tubes
  • Type 89 torpedoes
  • UGM-84 Harpoon missiles
Displacement 1,475 tons â—‰
Maximum speed 15.0 knots â—‰
Range 9,000 nm at 9 knots
Length 76.6 m â—‰
Beam 6.7 m â—‰
Crew 54 â—‰
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

Performance Radar Chart

Frequently Asked Questions

Which has greater displacement, the Oyashio-class or Romeo-class?
The Oyashio-class has greater displacement at 2,750 tons compared to the Romeo-class's 1,475 tons.
Which is faster, the Oyashio-class or Romeo-class?
The Romeo-class is faster with a maximum speed of 15 knots compared to the Oyashio-class's 12 knots.
Which has longer range, the Oyashio-class or Romeo-class?
The Romeo-class has a longer range at 9,000 nautical miles compared to the Oyashio-class's 0 nautical miles.
Which is longer, the Oyashio-class or Romeo-class?
The Oyashio-class is longer at 81.7 meters compared to the Romeo-class's 76.6 meters.
How many crew members do the Oyashio-class and Romeo-class have?
The Oyashio-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 Oyashio-class or Romeo-class?
The Romeo-class has been built in greater numbers with 133 vessels compared to 11 vessels of the Oyashio-class.