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Delta IV vs Yankee I

Delta IV vs Yankee I at a glance — displacement 7,800 vs 7,760 tons, length 139 vs 132 m, speed 12 vs 13 knots, crew 120 vs 120.

Delta IV submarine side profile drawing
🇷🇺 Delta IV
Yankee I submarine side profile drawing
🇷🇺 Yankee I
Specifications
Delta IV Yankee I
Origin 🇷🇺 Ex-USSR 🇷🇺 Ex-USSR
Category Submarine Submarine
Type Nuclear-powered ballistic missile submarine Nuclear-powered ballistic missile submarine
Manufacturer Komsomolsk-on-Amur Sevmash
Year introduced 1984 1967
Number built 18 units 34 units
Estimated unit price NA NA
Displacement 7,800 tons 7,760 tons
Maximum speed 12.0 knots 13.0 knots
Range Unlimited Unlimited
Length 139.0 m 132.0 m
Beam 12.0 m 11.7 m
Crew 120 120
Max depth 400 m 400 m
Performance Radar Chart
Armament & Systems
Delta IV Yankee I
Armament
  • D-9 launch tubes for 12 R-29 (SS-N-8 Sawfly) SLBMs
  • 4 × 533 mm (21 in) torpedo tubes
  • 2 × 400 mm (16 in) torpedo tubes
  • 16 x R-27 (SS-N-6 Serb) submarine-launched ballistic missiles, D-5 launch system
  • 4 x 533 mm torpedo tubes for 14 Type 53 torpedoes or mines
  • 2 x 400 mm torpedo tubes for 4 Type 40 torpedoes
Propulsion 2 pressurized water-cooled reactors powering 2 steam turbines driving 2 shafts and each developing 38.7 MW (51,900 shp) 2 VM-4 pressurized-water reactors, 4 steam turbines, 2 shafts
Change comparison vs
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Frequently Asked Questions

Which has greater displacement, the Delta IV-class or Yankee I-class?
The Delta IV-class has greater displacement at 7,800 tons compared to the Yankee I-class's 7,760 tons.
Which is faster, the Delta IV-class or Yankee I-class?
The Yankee I-class is faster with a maximum speed of 13 knots compared to the Delta IV-class's 12 knots.
Which has longer range, the Delta IV-class or Yankee I-class?
Both the Delta IV-class and Yankee I-class are nuclear-powered and have unlimited range, limited only by food supplies and crew endurance.
Which is longer, the Delta IV-class or Yankee I-class?
The Delta IV-class is longer at 139.0 meters compared to the Yankee I-class's 132.0 meters.
How many crew members do the Delta IV-class and Yankee I-class have?
The Yankee I-class has a larger crew complement of 120 compared to the Delta IV-class's 120 crew members.
Which can dive deeper, the Delta IV-class or Yankee I-class?
The Yankee I-class can dive deeper with a maximum depth of 400 meters compared to the Delta IV-class's 400 meters.
Which has been built in greater numbers, the Delta IV-class or Yankee I-class?
The Yankee I-class has been built in greater numbers with 34 vessels compared to 18 vessels of the Delta IV-class.