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F-4 Phantom II vs. Chengdu J-20

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F-4

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J-20

Role
Fighter-bomberAll-weather stealth
Generation
3rd generation5th generation
National Origin
United StatesChina
Manufacturer
McDonnell DouglasChengdu
Price (USD)
$3 Million$120 Million
Primary Users
US NavyPeople's Liberation Army Air Force
First Flight
19582011
Last Production Year
1981In Production
# Units Built
5,195>150
Status
RetiredIn Service
Seats
21 (J-20A) / 2 (J-20S)
Length
19 m63 ft
21 m69 ft
Wingspan
11 m38 ft
13 m42 ft
Wing Area
49 m²529 ft²
73 m²785 ft²
Height
5 m16 ft
4 m15 ft
Empty Weight
13,757 kg30,330 lbs
17,001 kg37,480 lbs
Gross Weight
18,824 kg41,500 lbs
25,002 kg55,120 lbs
MTOW
28,030 kg61,795 lbs
37,000 kg81,570 lbs
Fuel Capacity
7,257 kg16,000 lbs
11,793 kg26,000 lbs
Number of Engines
22
Engine Type
TurbojetTurbofan
Engine Manufacturer
General ElectricShenyang
Engine Model
J79-GE-17AWS-10C
Dry Thrust
53 kN11,905 lbs
145 kN32,600 lbs
Thrust w/ Afterburner
79 kN17,845 lbf
142 kN32,000 lbf
Max Thrust
159 kN35,690 lbf
284 kN64,000 lbf
Max Speed (Mach)
Mach 2.23Mach 2.00
Top Speed
2,371 km/h1,473 mph
2,136 km/h1,327 mph
Range
2,815 km1,520 nm
2,037 km1,100 nm
Rate of Climb
208 m/s41,000 ft/min
304 m/s59,800 ft/min
Ceiling
17,069 m56,000 ft
20,117 m66,000 ft
G Limit
6 g9 g

What Are the Differences Between the F-4 Phantom II and Chengdu J-20

F-4 Phantom II vs Chengdu J-20 Size Comparison

  • At 21.20 meters, the Chengdu J-20 is 2 meters longer than the F-4 Phantom II.
  • With a wingspan of 13 meters, the Chengdu J-20 is 1.30 meters wider from wingtip to wingtip.
  • The wing area of the F-4 Phantom II is 0.30 meters bigger than that of the Chengdu J-20’s 4.70 meters.

F-4 Phantom II vs Chengdu J-20 Price

  • The Chengdu J-20 is more expensive than the F-4 Phantom II, with a unit cost of approximately 120 million compared to the F-4 Phantom II’s unit cost of approximately 3 million.

F-4 Phantom II vs Chengdu J-20 Speed

  • The F-4 Phantom II has a top speed of 1,473 miles per hour, and the Chengdu J-20 has a top speed of 1,327 miles per hour. Head to head, this makes the F-4 Phantom II 146 miles per hour faster than the Chengdu J-20.

About the F-4 Phantom II

The McDonnell Douglas F-4 Phantom II is one of the most significant fighter jets in military aviation history, known for its versatility, powerful performance, and distinctive appearance. Initially developed for the US Navy in the late 1950s, the F-4 Phantom II set numerous speed and altitude records for its time and was later adopted by the U.S. Marine Corps and the U.S. Air Force.

Production History: The F-4 Phantom II was designed to meet the U.S. Navy's need for a supersonic fighter capable of carrying a significant payload over long distances, without sacrificing speed and maneuverability. The aircraft saw extensive combat in the Vietnam War, serving in both ground-attack and air superiority roles. Production ran from 1958 to 1981, with over 5,000 units built, making it one of the most produced American supersonic military aircraft.

Design Features: Characterized by its large size, twin engines, and tandem two-seat configuration, the F-4 Phantom II was designed without an internal cannon in its initial versions, relying instead on missiles for air combat. The F-4's distinctive design included drooping tail fins and diagonal tail wings, contributing to its recognizable silhouette.

Operational History: The F-4 Phantom II saw extensive use in the Vietnam War, where it performed admirably in dogfighting against lighter North Vietnamese aircraft, as well as in bombing missions. It was also a key figure in American air power throughout the Cold War. The F-4 served with distinction in later conflicts such as the Persian Gulf War and remained in use by several countries into the 21st century.

Comparison with Similar Models:

F-4 Phantom II vs. F-105 Thunderchief

Role and Capabilities: Both aircraft were critical to the U.S. Air Force during the Vietnam War. The F-105 was primarily used for deep strike bombing missions, while the F-4 served in a wider range of roles, including air superiority, fleet defense, and reconnaissance.

Performance: The F-105 Thunderchief, known as the "Thud," was the faster of the two at low altitude and carried a larger bomb load for ground-attack missions. However, the F-4 Phantom II's superior agility, higher service ceiling, and ability to operate from carriers made it a more adaptable and formidable aircraft.

F-4 Phantom II vs. MiG-21

Design: The MiG-21 was the Soviet Union's counterpart to the F-4 during the Vietnam War. It was smaller, lighter, and offered greater agility, designed primarily for air superiority with a secondary ground-attack capability. In contrast, the F-4 was a larger, more versatile fighter-bomber that could engage targets at longer ranges with its superior radar and missile armament.

Operational Capabilities: The MiG-21's agility made it a formidable adversary in visual range dogfights, while the F-4's powerful engines, advanced avionics, and diverse weapons loadout gave it an edge in beyond-visual-range engagements and multirole missions.

About the Chengdu J-20

The Chengdu J-20 "Mighty Dragon" is China's first fifth-generation, stealth, multi-role fighter aircraft, developed for the People's Liberation Army Air Force (PLAAF). Introduced into service in 2017, the J-20 represents a significant leap forward in Chinese military aviation, designed to secure air superiority and support the strategic objectives of China's defense policy. It combines advanced stealth capabilities, long-range strike potential, and high maneuverability to counter enemy fighters and missile systems effectively.

Production History: The J-20's development started in the early 2000s, with the goal of producing an aircraft capable of matching or surpassing the capabilities of contemporary American fifth-generation fighters such as the F-22 Raptor and F-35 Lightning II. The first flight occurred in 2011, and after a series of extensive tests and evaluations, the J-20 was officially declared combat-ready and entered PLAAF service in 2017.

Design Features: The J-20 features a sleek, aerodynamic design with low radar cross-section characteristics, including internal weapon bays to minimize its visibility to radar. It is equipped with two high-thrust turbofan engines, contributing to its supercruise capability and high-speed performance. The J-20's large frame allows for considerable fuel and payload capacity, extending its range and versatility in operations.

Operational History: While specific details of the J-20's operational history remain closely guarded, it is known to have participated in various military exercises and training operations since its introduction. The J-20 is intended to perform a range of missions, from air superiority and suppression of enemy air defenses (SEAD) to precision strikes and reconnaissance, demonstrating its strategic importance to the PLAAF.

Comparison with Similar Models:

J-20 "Mighty Dragon" vs. F-22 Raptor

Stealth and Performance: The F-22 Raptor is renowned for its stealth capabilities and unmatched air superiority performance. The J-20 aims to rival this with its own stealth design and advanced aerodynamics, though the F-22 maintains an edge in stealth technology and supermaneuverability due to its thrust vectoring capabilities.

Avionics and Systems Integration: Both aircraft feature state-of-the-art avionics suites, but the F-22's mature systems and operational experience provide it with proven capabilities in combat environments.

J-20 "Mighty Dragon" vs. F-35 Lightning II

Multi-Role Flexibility: The F-35 Lightning II is designed as a multi-role stealth fighter, excelling in ground attack, reconnaissance, and air defense missions with its advanced sensor fusion and stealth characteristics. The J-20, while primarily focused on air superiority, also incorporates multi-role capabilities.

Technological Innovation and Exportability: The F-35 has seen widespread export to allies of the United States, enhancing global interoperability. The J-20, being a critical asset for China's national defense, has not been offered for export.

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Values shown may not be 100% accurate, as some metrics are averages or only represent certain production years and configurations. Engine specs are based on the best options available.

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