Duke vs Petya

The Duke and the Petya are both Frigate classes. The Duke displaces 4,900 tons — 4.3x the Petya's 1,150 tons. The Duke reaches 28 knots vs 30 knots for the Petya. Operational range is 7,500 nautical miles for the Duke vs 4,870 for the Petya. The Duke carries a crew of 185 vs 90 for the Petya. The Duke was produced in 16 units vs 54 for the Petya. The Duke was commissioned in 1987, 22 years after the Petya (1965).

British frigate, 4,900 tons displacement, uses CODLAG propulsion.
Origin 🇬🇧 United Kingdom
Category Frigate
Type Anti-submarine warfare frigate
Manufacturer Yarrow Shipbuilders
Year introduced 1987
Number built 16 units
Estimated unit price $165 million
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
Displacement 4,900 tons
Maximum speed 28.0 knots
Range 7,500 nm at 15 knots
Length 133.0 m
Beam 16.1 m
Crew 185
Propulsion CODLAG: 4 × 1,510 kW (2,025 hp) Paxman Valenta 12CM diesel generators or 4 × 1,650 kW (2,210 shp) MTU 12V4000 M53 diesel generators; 2 × GEC electric motors delivering 2,980 kW (3,996 hp) each; 2 × Rolls-Royce Marine Spey SM1C delivering 19,500 kW (26,150 hp)
Armament
  • 1 × 32-cell Sea Ceptor GWS 35 VLS
  • 2 × quad Harpoon Block 1C (being replaced by Naval Strike Missile)
  • 2 × twin 12.75 in (324 mm) Sting Ray torpedo tubes
  • 1 × BAE 4.5 inch Mk 8 naval gun
  • 2 × 30 mm DS30M Mk2 guns or 2 × 30 mm DS30B guns
  • 2 × Browning .50 caliber heavy machine guns
  • 4 × General-purpose machine guns
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)

Performance Radar Chart

Frequently Asked Questions

Which has greater displacement, the Duke-class or Petya-class?
The Duke-class has greater displacement at 4,900 tons compared to the Petya-class's 1,150 tons.
Which is faster, the Duke-class or Petya-class?
The Petya-class is faster with a maximum speed of 30 knots compared to the Duke-class's 28 knots.
Which has longer range, the Duke-class or Petya-class?
The Duke-class has a longer range at 7,500 nautical miles compared to the Petya-class's 4,870 nautical miles.
Which is longer, the Duke-class or Petya-class?
The Duke-class is longer at 133.0 meters compared to the Petya-class's 81.8 meters.
How many crew members do the Duke-class and Petya-class have?
The Duke-class has a larger crew complement of 185 compared to the Petya-class's 90 crew members.
Which has been built in greater numbers, the Duke-class or Petya-class?
The Petya-class has been built in greater numbers with 54 vessels compared to 16 vessels of the Duke-class.