
Loading the evidence…
Preparing your view.
Preparing your view.


At a glance
Oscar-class submarinelarger figure on 1 of 2
Triomphant-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
maximum
Single source155 m (508 ft 6 in) maximum[source]
Length
Single sourceConfiguration
| Specification | Oscar-class submarine | Triomphant-class submarine |
|---|---|---|
| Range | — | Unlimited distance; 20–25 years[source] |
| Power | 2 × pressurized water cooled reactors, HEU ≤ 45%[source] 2 × steam turbines delivering 73,070 kW (97,990 shp) to two shafts[source] | K15 pressurized water reactor 150 MWth, LEU 7%; with turboreductor pump-to-shaft system of 30,5 MW Power : 30,519 kW (40,927 hp) two emergency diesel-powered generators SEMT Pielstick 8PA4V200 SM (700 kW (940 hp)) auxiliaries.[source] |
| Name | Oscar II class[source] | Le Triomphant class[source] |
| Builders | Sevmash |
138 m (453 ft)[source]
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 sourceSurfaced
Single sourceBars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
DCNS[source] |
| Operators | Soviet Navy Russian Navy[source] | French Navy[source] |
|---|
| Preceded by | Papa class Charlie class[source] | Le Redoutable class[source] |
|---|
| Succeeded by | Yasen class[source] | L'Invincible class[source] |
|---|
| Built | 1975–2022, may be restarted[source] | 1986–2010[source] |
|---|
| In commission | 1980–present[source] | 1997–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] | Ballistic missile submarine[source] |
|---|
| Endurance | 120 days[source] | — |
|---|
| Test depth | 600 m[source] | Over 400 m (1,300 ft)[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] | Nuclear: 16 M45 or M51/51.3 missiles with six to ten TN 75 150 kt or TNO 100-300 kt thermonuclear warheads Four 533 mm (21 in) torpedo tubes for F17 torpedoes and Exocet SM39 anti-ship missiles , launchable while submerged[source] |
|---|
| Alternative designation | Oscar II[source] | — |
|---|
| Country of origin | Soviet Union[source] | France[source] |
|---|
| Cost | — | € 17.1 billion (2009) (equivalent to € 22.2 billion in 2025) for 4 units € 3.1 billion (2009) (equivalent to € 4 billion in 2025) for Le Terrible[source] |
|---|
| Sensors & processing systems | — | Sonar DMUX 80 Sonar DUUX 5 Sonar DSUV 61B Very Low Frequency Racal Decca radar (navigation) SCC : SET ( Système d'exploitation Tactique ) : tactical operational system[source] |
|---|
| Electronic warfare & decoys | — | ARUR 13[source] |
|---|
12,640 tonne (surfaced) 14,335 tonne (submerged)[source]