Cornwall vs Petya
The Cornwall and the Petya are both Frigate classes. The Cornwall displaces 4,850 tons — 4.2x the Petya's 1,150 tons. The Cornwall reaches 18 knots vs 30 knots for the Petya. Operational range is 4,500 nautical miles for the Cornwall vs 4,870 for the Petya. The Cornwall carries a crew of 301 vs 90 for the Petya. The Cornwall was commissioned in 1988, 23 years after the Petya (1965).
| British missile frigate, introduced in 1988, propelled by two Rolls Royce Spey gas turbines. | |
| Origin | 🇬🇧 United Kingdom |
| Category | Frigate |
| Type | Missile frigate |
| Manufacturer | Swan Hunter / Yarrow |
| Year introduced | 1988 |
| Number built | NA |
| Estimated unit price | NA |
| Displacement | 4,850 tons ◉ |
| Maximum speed | 18.0 knots ◉ |
| Range | 4,500 nm at 18 knots ◉ |
| Length | 148.1 m ◉ |
| Beam | 14.8 m ◉ |
| Crew | 301 ◉ |
| Propulsion | 2 Rolls Royce SM-1 Spey gas turbines with a power of 48,220 hp each - 2 propellers |
| Armament |
8 UGM-84 (IV 2) + 2 Sea Wolf GWS 25 launchers (32 missiles) + 1 114mm Mk.8 gun + 1 Goalkeeper CIWS + 2 30mm DS-30B guns + 6 T/ASM MTLS + 2 Lynx HMA 8 / Merlin HM 1 helicopters |
| 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 |
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Performance Radar Chart
Frequently Asked Questions
Which has greater displacement, the Cornwall-class or Petya-class?
The Cornwall-class has greater displacement at 4,850 tons compared to the Petya-class's 1,150 tons.
Which is faster, the Cornwall-class or Petya-class?
The Petya-class is faster with a maximum speed of 30 knots compared to the Cornwall-class's 18 knots.
Which has longer range, the Cornwall-class or Petya-class?
The Petya-class has a longer range at 4,870 nautical miles compared to the Cornwall-class's 4,500 nautical miles.
Which is longer, the Cornwall-class or Petya-class?
The Cornwall-class is longer at 148.1 meters compared to the Petya-class's 81.8 meters.
How many crew members do the Cornwall-class and Petya-class have?
The Cornwall-class has a larger crew complement of 301 compared to the Petya-class's 90 crew members.