Oslo vs Riga

The Oslo and the Riga are both Frigate classes. Displacement is 2,134 tons for the Oslo vs 1,416 tons for the Riga. The Oslo reaches 25 knots vs 28 knots for the Riga. Operational range is 3,900 nautical miles for the Oslo vs 1,950 for the Riga. The Oslo carries a crew of 120 vs 175 for the Riga. The Oslo was produced in 5 units vs 69 for the Riga. The Oslo was commissioned in 1966, 12 years after the Riga (1954).

Norwegian frigate, 2,134 tons displacement, propelled by twin steam boilers producing 20,000 horsepower.
Origin 🇳🇴 Norway
Category Frigate
Type Frigate
Manufacturer Navy Main Yard, Karljohansvern
Year introduced 1966
Number built 5 units
Estimated unit price NA
Soviet frigate, introduced in 1954, displaced 1,416 tons.
Origin 🇨🇳 Ex-USSR
Category Frigate
Type Frigate
Manufacturer Kaliningrad
Year introduced 1954
Number built 69 units
Estimated unit price NA
Displacement 2,134 tons â—‰
Maximum speed 25.0 knots â—‰
Range 3,900 nm at 15 knots â—‰
Length 96.6 m â—‰
Beam 11.2 m â—‰
Crew 120 â—‰
Propulsion Twin steam boilers, one high pressure and one low pressure steam turbine, 20,000 hp (14,914 kW)
Armament
  • 2 × 3 in (76 mm) cannon
  • 1 × Bofors 40mm/70 anti-aircraft gun
  • 2 × 20 mm Rheinmetall anti-aircraft guns
  • 2 × 12.7 mm anti-aircraft guns
  • 6 × Penguin SSMs
  • 1 × 8-cell Raytheon RIM-7M Sea Sparrow Mk 29 SAM system
  • 6 × Kongsberg Terne ASW rocket-thrown depth charges
  • 2 × triple 324 mm (12.8 in) Mark 32 torpedo tubes (Sting Ray torpedoes)
Displacement 1,416 tons â—‰
Maximum speed 28.0 knots â—‰
Range 1,950 nm at 14 knots â—‰
Length 91.0 m â—‰
Beam 10.2 m â—‰
Crew 175 â—‰
Propulsion 2 × shaft steam turbines, 2 × boilers; 21,000 hp (16,000 kW)
Armament
  • 3 × 100 mm guns/56 (B-34) (3×1)
  • 4 × 37 mm guns (2×2)
  • 4 × 25 mm guns (2×2) - Some ships
  • MBU-600 anti-submarine rocket launchers (replaced by two RBU-2500)
  • 2 or 3 × 533 mm torpedo tubes (1×2 or 1×3)

Performance Radar Chart

Frequently Asked Questions

Which has greater displacement, the Oslo-class or Riga-class?
The Oslo-class has greater displacement at 2,134 tons compared to the Riga-class's 1,416 tons.
Which is faster, the Oslo-class or Riga-class?
The Riga-class is faster with a maximum speed of 28 knots compared to the Oslo-class's 25 knots.
Which has longer range, the Oslo-class or Riga-class?
The Oslo-class has a longer range at 3,900 nautical miles compared to the Riga-class's 1,950 nautical miles.
Which is longer, the Oslo-class or Riga-class?
The Oslo-class is longer at 96.6 meters compared to the Riga-class's 91.0 meters.
How many crew members do the Oslo-class and Riga-class have?
The Riga-class has a larger crew complement of 175 compared to the Oslo-class's 120 crew members.
Which has been built in greater numbers, the Oslo-class or Riga-class?
The Riga-class has been built in greater numbers with 69 vessels compared to 5 vessels of the Oslo-class.