Sierra vs Yasen

Soviet nuclear attack submarine, introduced in 1984, has a displacement of 7,200 tons.
Profile of Sierra
Origin 🇨🇳 Ex-USSR
Category Submarine
Type Nuclear attack submarine
Manufacturer Krasnoye Sormovo
Year introduced 1984
Number built 4 units
Estimated unit price NA
Russian nuclear-powered attack submarine, introduced in 2013, has a displacement of 8,600 tons.
Profile of Yasen
Origin 🇷🇺 Russia
Category Submarine
Type Nuclear-powered attack submarine
Manufacturer Sevmash
Year introduced 2013
Number built 6 units
Estimated unit price $1,600 million
Displacement 7,200 tons â—‰
Maximum speed 10.0 knots â—‰
Range 99,999 nm â—‰
Length 107.2 m â—‰
Beam 12.3 m â—‰
Crew 61 â—‰
Max depth 600 m â—‰
Propulsion 1 × PWR, 190 MW (HEU <= 45%), 2 × 1,002 hp (747 kW) emergency motors, 1 shaft, 2 spinners
Armament
  • 4 × 650 mm (26 in) torpedo tubes (only Sierra I)
  • 4 × 530 mm (21 in) torpedo tubes (6 x Sierra II)
  • SS-N-21 Sampson SLCM
  • SS-N-15 Starfish anti-submarine weapon
  • SS-N-16 Stallion
  • 42 mines (instead of torpedoes)
Displacement 8,600 tons â—‰
Maximum speed 20.0 knots â—‰
Range 99,999 nm â—‰
Length 139.2 m â—‰
Beam 13.0 m â—‰
Crew 85 â—‰
Max depth 658 m â—‰
Propulsion OK-650KPM pressurized water reactor, 200 MWt turbines of 43,000 shp
Armament
  • Tsircon hypersonic cruise missiles
  • Oniks anti-ship cruise missiles
  • Kalibr anti-ship, anti-submarine and land attack submarine launched cruise missiles
  • 10 x torpedo tubes (533 mm)
  • 30 Futlyar (UGST-M) heavyweight torpedoes
  • naval mines
  • Igla-M surface-to-air missiles

Performance Radar Chart

Frequently Asked Questions

Which has greater displacement, the Sierra-class or Yasen-class?
The Yasen-class has greater displacement at 8,600 tons compared to the Sierra-class's 7,200 tons.
Which is faster, the Sierra-class or Yasen-class?
The Yasen-class is faster with a maximum speed of 20 knots compared to the Sierra-class's 10 knots.
Which has longer range, the Sierra-class or Yasen-class?
Both the Sierra-class and Yasen-class are nuclear-powered and have unlimited range, limited only by food supplies and crew endurance.
Which is longer, the Sierra-class or Yasen-class?
The Yasen-class is longer at 139.2 meters compared to the Sierra-class's 107.2 meters.
How many crew members do the Sierra-class and Yasen-class have?
The Yasen-class has a larger crew complement of 85 compared to the Sierra-class's 61 crew members.
Which can dive deeper, the Sierra-class or Yasen-class?
The Yasen-class can dive deeper with a maximum depth of 658 meters compared to the Sierra-class's 600 meters.
Which has been built in greater numbers, the Sierra-class or Yasen-class?
The Yasen-class has been built in greater numbers with 6 vessels compared to 4 vessels of the Sierra-class.