Sierra vs Yasen

Overview

The Sierra and the Yasen are both Submarine classes.

Displacement is 7,200 tons for the Sierra vs 8,600 tons for the Yasen. The Sierra reaches 10 knots vs 20 knots for the Yasen. Operational range is 99,999 nautical miles for the Sierra vs 99,999 for the Yasen. The Sierra carries a crew of 61 vs 85 for the Yasen. Submerged displacement is 8,300 tons for the Sierra vs 13,800 tons for the Yasen. The Yasen can dive to 658 m compared to 600 m for the Sierra.

The Sierra was produced in 4 units vs 6 for the Yasen. The Sierra was commissioned in 1984, 29 years before the Yasen (2013).

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
Maximum speed 10.0 knots
Range Unlimited
Length 107.2 m
Beam 12.3 m
Crew 61
Max depth 600 m
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
Maximum speed 20.0 knots
Range Unlimited
Length 139.2 m
Beam 13.0 m
Crew 85
Max depth 658 m
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.