FORCETALLY
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At a glance
Astute-class submarinelarger figure on 1 of 3
Oscar-class submarinelarger figure on 2 of 3
Counts only measures both sources give with the same scope. A larger figure is not a better system.
Measured figures
Astute class · Length
Single sourceLength
Single sourceConfiguration
| Specification | Astute-class submarine | Oscar-class submarine |
|---|---|---|
| Range | Unlimited[source] | — |
| Power | — | 2 × pressurized water cooled reactors, HEU ≤ 45%[source] 2 × steam turbines delivering 73,070 kW (97,990 shp) to two shafts[source] |
| Name | Astute class[source] | Oscar II class[source] |
| Builders | BAE Systems Submarines , Barrow-in-Furness[source] | Sevmash[source] |
maximum
Single source155 m (508 ft 6 in) maximum[source]
Astute class · Displacement
Single sourceSubmerged
Single sourceSurfaced
Single sourceSurfaced: 7,000 to 7,400 t (6,900 to 7,300 long tons) Submerged: 7,400 to 7,800 t (7,300 to 7,700 long tons)[source]
7,400 tonnes[source]Astute class
Submerged · source measurement 3
Single sourceSubmerged · source measurement 4
Single sourceBars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Operators | Royal Navy[source] | Soviet Navy Russian Navy[source] |
|---|
| Preceded by | Trafalgar class[source] | Papa class Charlie class[source] |
|---|
| Succeeded by | SSN-AUKUS (First design contract awarded)[source] | Yasen class[source] |
|---|
| Cost | Over £ 1.65 billion per boat (2015 est.)[source] | — |
|---|
| Built | 2001–present[source] | 1975–2022, may be restarted[source] |
|---|
| In commission | 2010–present[source] | 1980–present[source] |
|---|
| Planned | 20 (2 949, 18 949A)[source] |
|---|
| Building | — |
|---|
| Completed | 14 (2 949, 11 949A, 1 09852)[source] |
|---|
| Active | 6 (modernization of some boats to 949AM)[source] |
|---|
| Type | Nuclear-powered attack submarine[source] | Nuclear-powered cruise missile submarine[source] |
|---|
| Propulsion | 1 × Rolls-Royce PWR 2 nuclear reactor MTU 600 kilowatt diesel generators[source] | — |
|---|
| Endurance | Unlimited in terms of propulsion, air and water, but otherwise typically 90 days, based on the amount of food carried and endurance of the crew[source] | 120 days[source] |
|---|
| Test depth | Over 300 m (980 ft)[source] | 600 m[source] |
|---|
| Sensors & processing systems | Thales Sonar 2076 Atlas DESO 25 echosounder 2 × Thales CM010 optronic masts Raytheon Successor IFF[source] | — |
|---|
| Armament | 6 × 21 in (533 mm) torpedo tubes with stowage for up to 38 weapons: Tomahawk Block IV cruise missiles Spearfish heavyweight torpedoes[source] | 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] |
|---|
| Country of origin | United Kingdom[source] | Soviet Union[source] |
|---|
| Canceled | — | 6 (2 incomplete, 4 never laid down)[source] |
|---|
| Laid up | — |
|---|
| Lost | — |
|---|
| Retired | — | 5?[source] |
|---|
| Alternative designation | — | Oscar II[source] |
|---|
Surfaced · source measurement 1
Single sourceSurfaced · source measurement 2
Single source12,500/14,700 tonnes surfaced 16,500/19,400 tonnes submerged[source]
15 knots (28 km/h; 17 mph) surfaced 32 knots (59 km/h; 37 mph) submerged[source]