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Benjamin Franklin vs James Madison

Benjamin Franklin vs James Madison at a glance — displacement 7,443 vs 7,443 tons, length 130 vs 130 m, speed 16 vs 16 knots, crew 140 vs 140.

James Madison submarine side profile drawing
🇺🇸 James Madison
Specifications
Benjamin Franklin James Madison
Origin 🇺🇸 United States 🇺🇸 United States
Category Submarine Submarine
Type Nuclear-powered ballistic missile submarine Nuclear-powered ballistic missile submarine
Manufacturer Electric Boat General Dynamics Electric Boat
Year introduced 1965 1964
Number built 12 units 10 units
Estimated unit price NA NA
Displacement 7,443 tons 7,443 tons
Maximum speed 16.0 knots 16.0 knots
Range Unlimited Unlimited
Length 130.0 m 130.0 m
Beam 10.0 m 10.0 m
Crew 140 140
Max depth 400 m 400 m
Performance Radar Chart
Armament & Systems
Benjamin Franklin James Madison
Armament
  • 16 Polaris A3 or Poseidon C3 or Trident I C4 missiles
  • 4 × 21-inch (533 mm) torpedo tubes
  • 13 torpedoes
  • 16 Polaris A3 or Poseidon C3 or Trident I C4 missiles
  • 4 × 21-inch (533 mm) torpedo tubes
  • 12 torpedoes
Propulsion 1 × S5W PWR, 2 geared steam turbines (15,000 shp (11,000 kW)), 1 shaft 1 × S5W PWR, 2 geared steam turbines (15,000 shp (11,000 kW)), 1 shaft
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Frequently Asked Questions

Which has greater displacement, the Benjamin Franklin-class or James Madison-class?
The James Madison-class has greater displacement at 7,443 tons compared to the Benjamin Franklin-class's 7,443 tons.
Which is faster, the Benjamin Franklin-class or James Madison-class?
The James Madison-class is faster with a maximum speed of 16 knots compared to the Benjamin Franklin-class's 16 knots.
Which has longer range, the Benjamin Franklin-class or James Madison-class?
Both the Benjamin Franklin-class and James Madison-class are nuclear-powered and have unlimited range, limited only by food supplies and crew endurance.
Which is longer, the Benjamin Franklin-class or James Madison-class?
The James Madison-class is longer at 130.0 meters compared to the Benjamin Franklin-class's 130.0 meters.
How many crew members do the Benjamin Franklin-class and James Madison-class have?
The James Madison-class has a larger crew complement of 140 compared to the Benjamin Franklin-class's 140 crew members.
Which can dive deeper, the Benjamin Franklin-class or James Madison-class?
The James Madison-class can dive deeper with a maximum depth of 400 meters compared to the Benjamin Franklin-class's 400 meters.
Which has been built in greater numbers, the Benjamin Franklin-class or James Madison-class?
The Benjamin Franklin-class has been built in greater numbers with 12 vessels compared to 10 vessels of the James Madison-class.