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Stealth Fighter Deathmatch: China’s J-20 vs. F-35 (Who Wins)

F-35 One of a Kind
Image: Lockheed Martin.

Last month, General Kenneth Wilsbach, Commander, Pacific Air Forces, United States Air Force, commented that a Lockheed Martin F-35 Lightning II had at least one interaction with a Chinese Chengdu J-20 Mighty Dragon over the East China Sea. While he didn’t state exactly when the close encounter of the fifth-generation aircraft took place, the Pacific Air Forces chief was quite candid regarding the capabilities of the J-20 fighter.

“It’s a bit early to say what they intend to do with the J-20, so really all we’ve seen it do is air superiority,” Wilsbach explained, as reported by the Eurasian Times. “But we notice that they are flying it pretty well. We recently had – I wouldn’t call it an engagement – where we got relatively close to the J-20s along with our F-35s in the East China Sea, and we’re relatively impressed with the command and control associated with the J-20.”

F-35 vs. J-20

The F-35 and J-20 are only the second and third fifth-generation aircraft, respectively, to enter service. Wilsbach’s praise of the Chinese aircraft is notable, yet should be put in context. He never disparaged the F-35, but simply showed respect for the Chinese aircraft it may or may not deserve. One consideration is that the J-20 is largely believed to have been copied from U.S. designs.

It is true as well that the J-20 has many of the same capabilities, including stealth and supercruise, as the F-35. In addition, last year it was reported that the Mighty Dragon was copying one of the Lightning II’s non-stealth features – namely the ability to carry weapons on external pylons and to operate in the so-called “beast mode.” The J-20 had previously had the capability to carry up to four PL-15 missiles in its main weapons bay, as well as two PL-10 short-range missiles in its side weapons bay. The external adapters will enable the jet to carry an additional four more missiles.

The J-20 is also believed to have a sensor suite that is similar to the F-35’s Electro-Optical Targeting System (EOTS). As the saying goes, “good artists borrow, great artists steal.” Beijing has long stolen technology that it would be otherwise incapable of developing on its own, and in 2007, Chinese hackers had allegedly stolen technical documents related to the F-35 from Lockheed Martin. A similar theft occurred again in 2017 when Chinese hackers allegedly went after Australian F-35 defense contractors.

The F-35 That Was “Made in China”

That isn’t to say the J-20 is a complete carbon copy facsimile of the F-35, even if the two aircraft are externally similar.

The U.S. fifth-generation fighter is a single-engine, single-seat, all-weather stealth aircraft that is capable of reaching Mach 1.6 at altitude and has a range of 770 miles (1,239 km). The twin-engine J-20 has elements that mimic the Lockheed Martin F-22 Raptor as well. The Mighty Dragon is also believed to have a range of 1,200 miles (2,000 km) and a servicing ceiling of 66,000 feet (20,000 meters), and a maximum speed of Mach 2.55 or higher.

That would appear to give the Chinese fighter some edge, but the true difference may reside in a series of unknowns, where air superiority would likely be determined by mission systems, weapons and targeting, computing, and even sensing. This is where the U.S.-made aircraft has an edge. It is even believed that the F-35 could target and fire at a J-20 before the American-made fighter was even detected.

Then there is the issue that the J-20 relies on engines that may be very advanced for a fourth-generation fighter, but fail to allow the Mighty Dragon to truly be mighty. Even as Beijing has worked to find an improved engine, the aircraft still isn’t operating at its full potential.

As such, F-35 maintains an edge over its rival. Copying is easy, innovating and improving is where the challenge lies.

Now a Senior Editor for 1945, Peter Suciu is a Michigan-based writer who has contributed to more than four dozen magazines, newspapers and websites. He regularly writes about military hardware, and is the author of several books on military headgear including A Gallery of Military Headdress, which is available on Peter is also a Contributing Writer for Forbes.

Written By

Expert Biography: A Senior Editor for 1945, Peter Suciu is a Michigan-based writer who has contributed to more than four dozen magazines, newspapers, and websites with over 3,000 published pieces over a twenty-year career in journalism. He regularly writes about military hardware, firearms history, cybersecurity, and international affairs. Peter is also a Contributing Writer for Forbes. You can follow him on Twitter: @PeterSuciu.



  1. *

    April 25, 2022 at 6:35 pm

    This is what happens when you leave a stealth fighter in Pakistan the Chinese get a free copy

    • Brin

      April 26, 2022 at 3:26 am

      Exactly . Chi-coms haven’t invented anything since gunpowder

      • LOL

        April 26, 2022 at 9:01 am

        Like the hypersonic system Uxx is struggling to get it working?

      • imurdad

        July 12, 2022 at 12:37 am

        I think you should get your Hypersonic missiles to work first before badmouthing others.

        China’s DH-17, DF-21d, DF-26, YJ-21 Hypersonic missiles are in mass production ready for combat service. The US is still struggling to past the test (and failed repeatedly).

        But you can copy and steal from China’s Hypersonic Missile Technology if you can’t make it yourself. LOL!!!

      • Pope of Cope

        September 5, 2022 at 5:25 pm


    • Brady

      April 26, 2022 at 8:59 am

      Yeah, that’s why we banned China from 5g, dji make the best drones and huawei make the best phones.

      Delusion next level talking your self into believing a Pork Barrow fighter with one engine that has half the range and bugger all speed is somehow superior.

    • imurdad

      July 12, 2022 at 12:44 am

      F-35 is fraught with shortcomings. Even the Pentagon is relunctant to accept it into combat service (what alternative does the Pentagon have? It’s stuck with the pork belly!)

      J-20 is a twine engine and two seater (some models) fighter. J-20 has thrust vectoring which the F-35 does not have.

      J-20 has cunard wings which has a totally different aerodunamic profile from the F-35. Why is J-20 copying the F-35??

  2. KJ Higgins

    April 25, 2022 at 10:01 pm

    F35 DOES Not have Thrust vectoring.
    The only US aircraft that has thrust vectoring is the F22 .

    • Stephen Giacopazzi

      April 27, 2022 at 1:51 pm

      Sorry but the F35B does have thrust vectoring in a lower capacity. If it didn’t have this capacity it would not be able to land vertically or move left/right or forward while doing this.

  3. Vincent Forberger

    April 26, 2022 at 12:19 am

    Shape has nothing to do with operations.

  4. Juan

    April 26, 2022 at 8:52 am

    Can we fire all this childish editors with their East European style sensationalism news.

  5. Shawn Liu

    April 26, 2022 at 6:37 pm

    F35 technically has no super cruise capability.

  6. Greg Bowcock

    August 5, 2022 at 7:54 pm

    LOL. The J-20 is essentially a carbon copy of the MiG-1.44 (which this website of course described as being “pathetic”). It has nothing to do with the F-35.

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