Key Points and Summary – The F/A-18E/F Super Hornet remains the carrier wing’s backbone, but a war with China would pit it against the stealthy, twin-seat J-20S.
-On paper, the J-20S owns advantages in signature, kinematics, and sensors, likely conferring a first-shot edge in beyond-visual-range combat and sharper agility in a merge.
Members of the US Navy F/A-18F Super Hornet Demo Team performs a maneuver at the Wings Over South Texas Air Show. This year’s air show marks the first return of Wings Over South Texas to Naval Air Station Corpus Christi since 2019.
-The Super Hornet counters with Block III upgrades—APG-79 AESA, IRST Block II, networking with E-2D/F-35C, EA-18G escort jamming, and new weapons—designed to claw back detection and engagement range.
-Outcome hinges less on 1v1 match-ups and more on who fights as a networked team, manages emissions, and brings the better missiles and tactics to bear.
F/A-18 Super Hornet vs. China’s New J-20S Fighter
The F/A-18E/F Super Hornet currently forms the backbone of the U.S. naval aircraft fleet alongside the F-35C. E/F variants are heavily upgraded versions of the original F/A-18 Hornet, which first entered service in the 1980s.
The Super Hornet is a capable fighter thanks to its maneuverability and advanced avionics suite.
However, if the U.S. were to go to war against China, the F/A-18E/F would find itself up against advanced fifth-generation fighters, namely China’s new J-20S. In a hypothetical battle scenario, how much of a chance would the F-18 have against the J-20S?
The Super Hornet vs The Mighty Dragon
The Super Hornet was designed with carrier operations in mind. Its airframe is optimized for durability and versatility, with reinforced landing gear, folding wings, and a tailhook for arrested landings.
While it incorporates some radar cross-section reduction features, such as smoother surfaces and radar-absorbent coatings, it is not a stealth aircraft in the same league as the J-20S. The Super Hornet’s design emphasizes modularity and ease of maintenance, which makes it highly effective in sustained operations from aircraft carriers.
On the other hand, the J-20S is designed with stealth as a primary consideration. Its angular fuselage, internal weapons bays, and radar-absorbent materials all contribute to a low radar cross-section.
A U.S. Navy F/A-18F Super Hornet, assigned to the “Black Knights” of Strike Fighter Squadron (VFA) 154, lands on the flight deck of Nimitz-class aircraft carrier USS Theodore Roosevelt (CVN 71), July 24, 2025. Theodore Roosevelt, flagship of Carrier Strike Group (CSG) 9, is underway conducting exercises to bolster strike group readiness and capability in the U.S. 3rd Fleet area of operations. (U.S. Navy photo by Mass Communication Specialist 3rd Class Aaron Haro Gonzalez)
The aircraft features a canard-delta wing configuration, which enhances lift and maneuverability, especially at high altitudes and speeds.
The addition of a second seat in the J-20S is not merely for training purposes; it reflects a strategic shift toward more complex missions that require a dedicated systems operator.
This could include controlling drone swarms, managing electronic warfare systems, or coordinating with other assets in a networked battlespace.
Powerplant and Performance
In terms of performance, the J-20S outclasses the Super Hornet in most metrics, at least, based on what information we have that is out there. The J-20S can reach speeds of Mach 2.0 and has a combat radius of over 1,100 nautical miles, thanks to its large internal fuel capacity.
It also boasts a service ceiling of approximately 66,000 feet and a climb rate of around 60,000 feet per minute.
These figures suggest that the J-20S can engage targets at longer ranges and higher altitudes than the Super Hornet. The Super Hornet, while capable, is limited to a top speed of Mach 1.6, a combat radius of about 680 nautical miles, and a service ceiling of 50,000 feet. Its climb rate is slightly lower, and its g-limit is rated at 7.5g compared to the J-20S’s 9g.
The J-20S is powered by two WS-10C or WS-15 engines (sources vary), which may include thrust-vectoring capabilities.
This gives it superior agility in close combat situations. The Super Hornet uses two General Electric F414 engines, which are reliable and powerful but lack thrust-vectoring. This difference in propulsion technology could be decisive in a dogfight, where maneuverability is critical.
Avionics and Electronics
Avionics and sensor systems further highlight the generational gap between the two aircraft. The J-20S is equipped with a modern active electronically scanned array (AESA) radar, likely capable of tracking multiple targets at long range. It also features a distributed aperture system (DAS) that provides 360-degree infrared coverage, enhancing its situational awareness. The aircraft’s electronic warfare suite is believed to be highly advanced, and the second crew member can manage these systems more effectively.
J-20 Fighter In Formation PLAAF Photo
The J-20S also integrates sensor fusion technology, combining data from radar, infrared, and other sources to present a unified picture of the battlespace. This capability is essential for modern air combat, where information dominance can be as important as firepower.
The Super Hornet is no slouch in the avionics department. It features the AN/APG-79 AESA radar, which is highly capable and has been continuously upgraded. It also includes the IRST Block II system, which allows it to detect stealth aircraft using infrared signatures. Its electronic warfare systems are robust, and it can carry jamming pods to disrupt enemy radar and communications.
However, the Super Hornet’s sensor fusion is not as advanced as that of fifth-generation fighters like the J-20S or F-35. It relies more heavily on external assets such as AWACS and electronic warfare aircraft to maintain situational awareness.
Who Wins in 2 Words: Think Stealth?
Stealth and survivability are areas where the J-20S has a clear advantage. Its low radar cross-section allows it to operate undetected in contested environments, and its internal weapons bays help maintain that stealth profile.
The aircraft’s shaping and coatings are designed to minimize detection from radar and infrared sensors.
In contrast, the Super Hornet’s survivability relies more on speed, agility, and electronic countermeasures. It is not stealthy enough to avoid detection by fifth-generation fighters and must rely on tactics and support assets to survive in high-threat environments.
J-20 Mighty Dragon in Camo Back in 2018. Image Credit: Chinese Air Force.
In a hypothetical one-on-one engagement, the J-20S would likely have the upper hand. In beyond visual range combat, its stealth and superior sensors would allow it to detect and engage the Super Hornet before being seen.
The PL-15 missiles outrange the AMRAAMs carried by the Super Hornet, giving the J-20S a first-shot advantage. In close combat, the J-20S’s thrust-vectoring engines and high maneuverability would make it difficult to defeat.
The Super Hornet is agile and well-armed, but it lacks the stealth and kinematic performance to match the J-20S.
About the Author: Isaac Seitz
Isaac Seitz, a Defense Columnist, graduated from Patrick Henry College’s Strategic Intelligence and National Security program. He has also studied Russian at Middlebury Language Schools and has worked as an intelligence Analyst in the private sector.
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Ghost_Tomahawk
September 12, 2025 at 2:20 pm
Like all things with China as with the USSR (one upon a time), Chinese tech is overstated in a serious way. Our intelligence services exaggerate foreign abilities to create fear in order to generate more military expenditures. The USSR was a paper tiger. So is China. Doesn’t matter how much tech the Clinton’s sold them or how much tech they have stolen. They lack the know how to use it properly and it shows. Canards on a stealth aircraft. Really? Massive internal fuel bay? So where are it’s weapons? How big is this thing? Exactly.