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Izumo vs Trieste

Izumo vs Trieste at a glance — displacement 26,000 vs 38,000 tons, length 248 vs 245 m, speed 30 vs 25 knots, crew 520 vs 460.

Specifications
Izumo Trieste
Origin 🇯🇵 Japan 🇮🇹 Italy
Category Aircraft carrier Amphibious vessel
Type Helicopter-carrying destroyer Landing helicopter dock
Manufacturer Japan Marine United Fincantieri
Year introduced 2015 2024
Number built 2 units 1 unit
Estimated unit price $1,500 million $1,234 million
Displacement 26,000 tons 38,000 tons
Maximum speed 30.0 knots 25.0 knots
Range NA 7,000 nm at 16 knots
Length 248.0 m 245.0 m
Beam 38.0 m 47.0 m
Crew 520 460
Performance Radar Chart
Armament & Systems
Izumo Trieste
Armament
  • 2 × Phalanx CIWS
  • 2 × SeaRAM CIWS
  • 3 x Oto Melara 76 mm/62 Strales anti-aircraft guns
  • 3 x OTO Melara 25/80 RCWS with Oerlikon KBA 25 mm
  • 2 x Oto Melara ODLS-20 decoy launchers
  • 2 x 8-cell SYLVER A50 VLS for 16 Aster 15 and 30 missiles
Propulsion COGAG, two shafts; 4 × GE/IHI LM2500IEC gas turbine with a power of 112,100 hp (83,600 kW) CODOG scheme + electric engines: 2 × Rolls-Royce MT30 gas turbines (76,000 kW), 2 × MAN 20V32/44CR diesel engines (24,000 kW), 4 × MAN 9L32/44CR diesel generators (20,960 kW), 2 × 2,250 kW electric engines
Explore further
Largest operators · in service
Largest operators · in service
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Frequently Asked Questions

Which has greater displacement, the Izumo-class or Trieste-class?
The Trieste-class has greater displacement at 38,000 tons compared to the Izumo-class's 26,000 tons.
Which is faster, the Izumo-class or Trieste-class?
The Izumo-class is faster with a maximum speed of 30 knots compared to the Trieste-class's 25 knots.
Which is longer, the Izumo-class or Trieste-class?
The Izumo-class is longer at 248.0 meters compared to the Trieste-class's 245.0 meters.
How many crew members do the Izumo-class and Trieste-class have?
The Izumo-class has a larger crew complement of 520 compared to the Trieste-class's 460 crew members.
Which is more expensive, the Izumo-class or Trieste-class?
The Izumo-class is more expensive at approximately $1.5 billion per unit compared to the Trieste-class at $1.2 billion.
Which has been built in greater numbers, the Izumo-class or Trieste-class?
The Izumo-class has been built in greater numbers with 2 vessels compared to 1 vessels of the Trieste-class.