Riga vs Tamandaré

The Riga and the Tamandaré are both Frigate classes. The Tamandaré displaces 3,500 tons — 2.5x the Riga's 1,416 tons. The Riga reaches 28 knots vs 25 knots for the Tamandaré. Operational range is 1,950 nautical miles for the Riga vs 5,500 for the Tamandaré. The Riga carries a crew of 175 vs 130 for the Tamandaré. The Riga was produced in 69 units vs 4 for the Tamandaré. The Riga was commissioned in 1954, 72 years before the Tamandaré (2026).

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
Brazilian frigate, introduced in 2026, has a displacement of 3,500 tons and a crew of 130.
Origin 🇧🇷 Brazil
Category Frigate
Type General-purpose frigate
Manufacturer TKMS
Year introduced 2026
Number built 4 units
Estimated unit price $555 million
Displacement 1,416 tons
Maximum speed 28.0 knots
Range 1,950 nm at 14 knots
Length 91.0 m
Beam 10.2 m
Crew 175
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)
Displacement 3,500 tons
Maximum speed 25.0 knots
Range 5,500 nm
Length 107.2 m
Beam 16.0 m
Crew 130
Propulsion CODAD 4 × MAN V12 28/33D 5,460 kW (7,320 hp) each; 2 × propeller shafts, 5-bladed controllable pitch propellers; Total output: 21,280 kW (28,540 shp)
Armament
  • 12-cell VLS for 12 Sea Ceptor surface-to-air missiles
  • 8 MANSUP anti-ship missiles
  • 2 × triple Mark 54 torpedo tubes
  • 1 × Oto Melara 76 mm Super Rapid gun
  • 1 × Sea Snake 30 mm gun
  • 2 × Sea Defender 12.7 mm guns
  • 2 × General purpose machine guns or 0.50 calibre heavy machine guns

Performance Radar Chart

Frequently Asked Questions

Which has greater displacement, the Riga-class or Tamandaré-class?
The Tamandaré-class has greater displacement at 3,500 tons compared to the Riga-class's 1,416 tons.
Which is faster, the Riga-class or Tamandaré-class?
The Riga-class is faster with a maximum speed of 28 knots compared to the Tamandaré-class's 25 knots.
Which has longer range, the Riga-class or Tamandaré-class?
The Tamandaré-class has a longer range at 5,500 nautical miles compared to the Riga-class's 1,950 nautical miles.
Which is longer, the Riga-class or Tamandaré-class?
The Tamandaré-class is longer at 107.2 meters compared to the Riga-class's 91.0 meters.
How many crew members do the Riga-class and Tamandaré-class have?
The Riga-class has a larger crew complement of 175 compared to the Tamandaré-class's 130 crew members.
Which has been built in greater numbers, the Riga-class or Tamandaré-class?
The Riga-class has been built in greater numbers with 69 vessels compared to 4 vessels of the Tamandaré-class.