Petya vs Riga

Petya

Soviet frigate, introduced in 1965, utilized a CODAG propulsion system with gas turbines and diesel engines.
Origin	🇨🇳 Ex-USSR
Category	Frigate
Type	Light frigate
Manufacturer	Kaliningrad Yantar shipyard
Year introduced	1965
Number built	54 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	1,150 tons ◉
Maximum speed	30.0 knots ◉
Range	4,870 nm at 450 knots ◉
Length	81.8 m ◉
Beam	9.2 m ◉
Crew	90 ◉
Propulsion	2 shaft CODAG: 2 gas turbines - 30,000 hp (22,000 kW), 1 diesel - 6,000 hp (4,500 kW)
Armament	4 x 76 mm guns (2x2) 4 x RBU-6000 anti-submarine rocket launchers 5 x 406 mm anti-submarine torpedo tubes 1 x 3 533 mm torpedo tubes (export version)

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)

Which has greater displacement, the Petya-class or Riga-class?

The Riga-class has greater displacement at 1,416 tons compared to the Petya-class's 1,150 tons.

Which is faster, the Petya-class or Riga-class?

The Petya-class is faster with a maximum speed of 30 knots compared to the Riga-class's 28 knots.

Which has longer range, the Petya-class or Riga-class?

The Petya-class has a longer range at 4,870 nautical miles compared to the Riga-class's 1,950 nautical miles.

Which is longer, the Petya-class or Riga-class?

The Riga-class is longer at 91.0 meters compared to the Petya-class's 81.8 meters.

How many crew members do the Petya-class and Riga-class have?

The Riga-class has a larger crew complement of 175 compared to the Petya-class's 90 crew members.

Which has been built in greater numbers, the Petya-class or Riga-class?

The Riga-class has been built in greater numbers with 69 vessels compared to 54 vessels of the Petya-class.