Los Angeles-class submarine vs Oscar-class submarine

FORCETALLY

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Los Angeles-class submarine USS Los Angeles (SSN-688), surfaced and underway

ASubmarines

Los Angeles-class submarine

Nuclear attack submarine

Credit

U.S. Navy · Public domain · Public domain · Source ↗

BSubmarines

Oscar-class submarine

Nuclear-powered cruise missile submarine

Credit

Sergey Konovalov · CC BY 4.0 · Resized · CC BY 4.0 · Source ↗ · Modified

First system

Second system

At a glance

Side by side

Length comparisonOne shared metre scale

Los Angeles-class submarineLength

110 m

Length source ↗

Oscar-class submarinemaximum

155 m

Length source ↗

Lengths retain their source configuration and measurement scope.

Los Angeles-class submarinelarger figure on 0 of 1

None

Oscar-class submarinelarger figure on 1 of 1

Beam+82%

Counts only measures both sources give with the same scope. A larger figure is not a better system.

Measured figures

Head to head

22 of 32 rows sourced on both sides

110m

155mmaximum

Length

All recorded figures & sources

110 m

Length

Single source

362 ft (110 m)^[source]

155 m

maximum

Single source

Configuration

Details

Los Angeles-class submarine and Oscar-class submarine configuration
Specification	Los Angeles-class submarine	Oscar-class submarine
Range	Refueling required after 30 years^[source]	—
Power	1 × S6G nuclear reactor (150–165 MW) 2 × steam turbines (30,000–33,500) shp 1 × shaft 1 × secondary propulsion motor 325 hp (242 kW)^[source]	2 × pressurized water cooled reactors, HEU ≤ 45%^[source] 2 × steam turbines delivering 73,070 kW (97,990 shp) to two shafts^[source]
Builders	Newport News Shipbuilding General Dynamics Electric Boat^[source]	Sevmash^[source]
Operators	United States Navy

Preceded by	Sturgeon class^[source]	Papa class Charlie class^[source]

Succeeded by	Seawolf class^[source]	Yasen class^[source]

Cost	$900 million, 1990 dollars; $1.9 billion, 2024 dollars^[source]	—

Built	1972–1996^[source]	1975–2022, may be restarted^[source]

In commission	1976–present^[source]	1980–present^[source]

Completed	62^[source]	14 (2 949, 11 949A, 1 09852)^[source]

Active	18^[source]	6 (modernization of some boats to 949AM)^[source]

Laid up	5^[source]	2^[source]

Retired	38^[source]	5?^[source]

Preserved	2 (as moored training ships )^[source]	—

Type	Nuclear attack submarine^[source]	Nuclear-powered cruise missile submarine^[source]

Endurance	90 days^[source]	120 days^[source]

Test depth	450 m (1,480 ft)^[source]	600 m^[source]

Sensors & processing systems	BQQ-5 suite which includes active and passive systems sonar , BQS-15 detecting and ranging sonar, WLR-8V(2) ESM receiver, WLR-9 acoustic receiver for detection of active search sonar and acoustic homing torpedoes, BRD-7 radio direction finder, BPS-15 radar^[source]	—

Electronic warfare & decoys	WLR-10 countermeasures set^[source]	—

Armament	4 × 21 in (533 mm) torpedo tubes , 37 × Mk 48 torpedo , Tomahawk land attack missile , Harpoon anti-ship missile , Mk 67 mobile, or Mk 60 CAPTOR mines (FLTII and 688i FLTIII have a 12-tube VLS)^[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]