FORCETALLY
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At a glance
Oscar-class submarinelarger figure on 1 of 2
Vanguard-class submarinelarger figure on 1 of 2
Counts only measures both sources give with the same scope. A larger figure is not a better system.
Measured figures
Submerged · source measurement 3
Single sourceSubmerged · source measurement 4
Single sourceSurfaced · source measurement 1
Single sourceSurfaced · source measurement 2
Single source12,500/14,700 tonnes surfaced 16,500/19,400 tonnes submerged[source]
Submerged
Single sourceVanguard class · Displacement
Single sourceMaximum; Submerged
Single sourceMaximum; Surfaced
Single source15 knots (28 km/h; 17 mph) surfaced 32 knots (59 km/h; 37 mph) submerged[source]
Maximum; Over submerged
Single sourceMaximum; Vanguard class · Speed
Single sourceBars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
Configuration
| Specification | Oscar-class submarine | Vanguard-class submarine |
|---|---|---|
| Range | — | Limited only by food and mechanical components[source] |
| Power | 2 × pressurized water cooled reactors, HEU ≤ 45%[source] 2 × steam turbines delivering 73,070 kW (97,990 shp) to two shafts[source] | 1 × Rolls-Royce PWR2 nuclear reactor , 2 × GEC turbines; 27,500 shp (20.5 MW) 1 × shaft, pump jet propulsor 2 × auxiliary retractable propulsion motors 2 × Allen turbo generators (6 MW) 2 × Paxman diesel alternators; 2,700 shp (2.0 MW)[source] |
| Name | Oscar II class[source] | — |
| Builders | Sevmash[source] | Vickers Shipbuilding and Engineering , Barrow-in-Furness , England[source] |
| Operators | Soviet Navy Russian Navy[source] | Royal Navy[source] |
| Preceded by | Papa class Charlie class[source] | Resolution class[source] |
| Succeeded by | Yasen class[source] | Dreadnought class[source] |
| Built | 1975–2022, may be restarted[source] | 1986–1999[source] |
| In commission | 1980–present[source] | — |
| Planned | 20 (2 949, 18 949A)[source] | — |
| Completed | 14 (2 949, 11 949A, 1 09852)[source] | |
| Canceled | 6 (2 incomplete, 4 never laid down)[source] | — |
| Active | 6 (modernization of some boats to 949AM)[source] | |
| Laid up | — | |
| Lost | — | |
| Retired | 5?[source] | — |
| Type | Nuclear-powered cruise missile submarine[source] | Nuclear-powered ballistic missile submarine[source] |
| Endurance | 120 days[source] | — |
| Test depth | 600 m[source] | — |
| Armament | 4 × 533 mm (21.0 in) and 2 × 650 mm (26 in) torpedo tubes in bow 28 × 533 mm and 650 mm weapons, including RPK-2 Vyuga (SS-N-15 Starfish) anti-submarine missiles with 15 kt nuclear warheads and RPK-6 Vodopad/RPK-7 Veter (SS-N-16) anti-submarine missiles with 200 kt nuclear warhead or Type 40 anti-submarine torpedo or 32 ground mines 24 × P-700 Granit (SS-N-19 Shipwreck) cruise missiles with 750 kilograms (1,650 lb) HE or 6 × 100 Mt Poseidon nuclear-powered, nuclear-armed drones[source] | 4 × 21-inch (533 mm) torpedo tubes for: Spearfish heavyweight torpedoes 16 × ballistic missile tubes for: Lockheed Trident II D5 SLBMs with up to 12 MIRVed Holbrook Mk-4A (100 kt TNT ) nuclear warheads each[source] |
| Alternative designation | Oscar II[source] | — |
| Country of origin | Soviet Union[source] | United Kingdom[source] |
| Cost | — | £ 12.15 billion (1995) (equivalent to £ 23.83 billion in 2024) for 4 units £ 3.04 billion (1995) (equivalent to £ 5.96 billion in 2024) per unit[source] |
| In service | — | 1993–present[source] |
| Sensors & processing systems | — | BAE Systems SMCS Kelvin Hughes Type 1007 I-band navigation radar Thales Underwater Systems Type 2054 composite sonar suite comprising: Marconi / Ferranti Type 2046 towed array sonar Type 2043 hull-mounted active and passive search sonar Type 2082 passive intercept and ranging sonar Pilkington Optronics CK51 search periscope Pilkington Optronics CH91 attack periscope[source] |
| Electronic warfare & decoys | — | Two SSE Mk10 launchers for Type 2066 and Type 2071 torpedo decoys RESM Racal UAP passive intercept[source] |