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Oslo vs Riga

Oslo vs Riga at a glance — displacement 2,134 vs 1,416 tons, length 96 vs 91 m, speed 25 vs 28 knots, crew 120 vs 175.

Specifications
Oslo Riga
Origin 🇳🇴 Norway 🇷🇺 Ex-USSR
Category Frigate Frigate
Type Frigate Frigate
Manufacturer Navy Main Yard, Karljohansvern Kaliningrad
Year introduced 1966 1954
Number built 5 units 68 units
Estimated unit price NA NA
Displacement 2,134 tons 1,416 tons
Maximum speed 25.0 knots 28.0 knots
Range 3,900 nm at 15 knots 1,950 nm at 14 knots
Length 96.6 m 91.0 m
Beam 11.2 m 10.2 m
Crew 120 175
Performance Radar Chart
Armament & Systems
Oslo Riga
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)
  • 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)
Propulsion Twin steam boilers, one high pressure and one low pressure steam turbine, 20,000 hp (14,914 kW) 2 × shaft steam turbines, 2 × boilers; 21,000 hp (16,000 kW)
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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 68 vessels compared to 5 vessels of the Oslo-class.