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F-22 vs. F-35 vs. J-20 vs. Su-57: Which Stealth Fighter Is the Best?

F-22
Image: Creative Commons.

There are only a few real 5th generation stealth fighters out there and are only made by the USA like the F-35 and F-22, Russia, and China. Which fighter is truly the top dog in the sky? In September 1997, an unusual-looking aircraft — the world’s first truly stealth fighter — left the runway at Lockheed Martin’s Marietta, Georgia facility. Its wide, angular body looked like it had been ripped right out of the pages of a science fiction story. It blurred the lines between the unusual stealth aircraft the United States was using for attack and bombing missions and the high-performance fighters America relied on for control of the skies.

Before this new aircraft, the F-15 Eagle had previously ruled the roost of America’s air superiority mission. Its astonishing air combat record of 104 wins and zero losses had been enough to make any nation think twice about picking a dogfight with Uncle Sam. But the F-15’s famously massive radar signature (said to cover some 25 square meters on a radar screen) had placed its dominance into question.

However, after decades of focus on flying higher and faster to defeat enemy air defenses, it was time for a change.

Introducing the world to 5th generation (stealth) fighters

This new jet, dubbed the F-22 Raptor, was such a departure from anything that came before it that it defied classification, serving as the basis for an entirely new generation of fighters to come.

Today, some 25 years later, only three other jets anywhere in the world have offered capabilities considered close enough to the Raptor to earn a seat at its generational table. These jets, collectively known as the 5th generation of fighters, combine low-observable designs with advanced data-fusing avionics to offer incredible new capabilities. Included on the list are the Lockheed Martin F-35 Joint Strike Fighter, the Chengdu J-20 Mighty Dragon, and the Sukhoi Su-57 Felon.

In order to qualify for this elite fraternity of fighters, a jet must meet these (generally accepted) criteria:

  • Stealth
  • A high degree of maneuverability
  • Advanced avionics systems
  • Multi-role capabilities
  • Network or data fusion capabilities

How to rank the world’s stealth fighters

When comparing stealth fighters, most people tend to focus on the “tale of the tape” just like we would when comparing boxers or cage fighters: hard numbers like top speeds, service ceilings, and thrust-to-weight ratios. These numbers are reported by national governments, military branches, and aircraft manufacturers. While all three of those groups may have reason to overstate or even understate capabilities, these figures are generally accepted as accurate by the world at large, which makes them a logical basis for comparison.

But while the following analysis will lean heavily on hard, quantifiable figures as they’re reported, it will also delve into the more qualitative things like how technology and tactics coalesce to create capabilities — and because that sort of discussion is, by its very nature, hypothetical — and by extension — somewhat subjective, your list may look a little different from mine.

Because the old football adage “on any given Sunday, any team can beat any other team” holds true in a fight just like it does on the gridiron, the real king of the skies can only be crowned in combat. Here’s hoping we never actually see that happen, but based on publicly available information, here’s how these fighters would likely perform, ranked from worst to first.

#4 Russia’s Sukhoi Su-57 Felon

The worst of the world’s stealth fighters

Russia has a long and storied history of exaggerating or overtly overstating its military capabilities for the sake of media attention: its ventures into the realm of stealth fighters serve as a textbook example of this approach. The Su-57 began development (then known as the PAK FA) as a joint venture between Russia and India until India backed out because the decades-in-the-making fighter failed to live up to expectations.

Since then, things haven’t gotten much better for Russia’s stealth fighter. The entirety of Russia’s Su-57 fleet currently consists of just 12 hand-made prototypes of varying degrees of finish and only two serial production jets. That count would have been three now, but the first Su-57 to roll off of Sukhoi’s production line promptly crashed shortly after takeoff.

Su-75 Checkmate

Su-75 Checkmate and Su-57 stealth fighter. Image Credit: Creative Commons.

Ukraine Su-57 Russia

Russian Su-57 stealth fighter. Image Credit: Creative Commons.

Ukraine

Su-57 stealth fighter. Image Credit: Wikicommons.

Radar cross-sections (RCS) are subject to a great deal of debate online and should always be taken with a grain of salt, but expert assessments of the Su-57 suggest that it boasts an RCS of about .5 square meters—which is about the same as a 4th generation F/A-18 Super Hornet when flying without ordnance and 5,000 times bigger than the F-22 Raptor.

Stealthy woes aren’t the Su-57’s only problem — delays in Russia’s 5th generation engine program have left its Felon fleet operating the same AL-41F1 engines found in Russia’s non-stealth but highly capable 4th generation Su-35S. A Rand Corporation analysis of the aircraft’s advanced 360-degree sensor suite posits that the system itself remains incomplete as well, likely hindered by international sanctions placed on Russia following its 2014 invasion of Ukraine. These issues are sure to be exacerbated by deeper-cutting sanctions against Russia after its recent large-scale invasion of Ukraine.

However, despite the Su-57’s problems, it should be remembered that Russian air warfare doctrine does not lean as heavily on stealth as America’s, and the Su-57 remains extremely difficult to detect when approaching from head-on (as one might during a fighter intercept). Combine that with 360-degree thrust-vector control allowing for fantastic maneuverability once targeted and a thrust-to-weight ratio about comparable to the Super Hornet and it becomes clear that the Su-57 would be no slouch in a scrap with practically any 4th-generation fighter. Although Su-57s have been deployed to Syria, no Felons have reportedly seen any combat to date.

#3 China’s Chengdu J-20 Mighty Dragon – A designer imposter fighter with real chops

China’s Chengdu J-20 Mighty Dragon is the nation’s first operational stealth aircraft, but evidence suggests China wasn’t really starting from scratch when they designed it. Between 2008 and 2014, a Chinese-Canadian businessman named Su Bin managed to gain access to classified materials regarding America’s F-22 and F-35 programs (among others) which he provided directly to the Chinese government. As a result, many have pointed out that the J-20 was likely designed with blueprints for America’s F-22 Raptor also on the table, leveraging Lockheed Martin’s design methodology.

However, the aircraft itself actually bears a more striking resemblance to a different 5th generation fighter: Russia’s defunct MiG MFI, or Project 1.44. As is the case with many Chinese aircraft, the J-20 is likely a design that borrows heavily from both of these programs.

The J-20 entered service in 2017 and has seen considerable production since, with more than 150 airframes now in service. However, China has struggled to field its truly 5th generation engine, the WS-15. It has instead equipped its fleet with either Russian-sourced 4th generation AL-31 engines or improved indigenous equivalents in the WS-10. Early J-20s did not include thrust vector control, but more recent iterations have added the capability in an attempt to close with America’s F-22 Raptor.

China J-20 Stealth Fighter

6th Generation Stealth Fighter

Image: Chinese Internet

Chinese Military Strategy

Image: Chinese Internet.

The first J-20s saw combat exercises in 2018, with China’s military using the platform to devise stealth fighter tactics. The lack of significant combat experience found at every level of China’s military represents a significant disadvantage when compared to America’s four-decade of experience operating stealth jets and even Russia’s tactical aviation experience in places like Syria. However, the J-20 outclasses the Su-57 in a number of very important ways; most notably, in terms of stealth.

Expert assessments of the J-20’s radar cross-section place it somewhere between .08 and .3 square meters. This places it well ahead of Russia’s Su-57 in a head-on comparison (RCS varied depending on the angle from which the aircraft is observed), but well behind both of America’s stealth fighters.

#2 America’s F-35 Lighting II A highly capable financial boondoggle

Lockheed Martin’s F-35 Lightning II, also known as the Joint Strike Fighter, has gotten a lot of bad press in recent years thanks to the program’s frequent delays, setbacks, and cost overruns. But something that tends to get lost in the discussions about how expensive the F-35 is proving to be, is just how capable this aircraft really is.

With a reported radar-cross section of 0.0015 square meters, the F-35 appears 5-10 times larger than the F-22 does on radar when approaching from head-on, but that’s still only about the size of a golfball. The aircraft’s stealth gets lots of attention, but the F-35’s biggest claim to fame comes in the form of its onboard systems. The F-35’s AN/APG-81 Active Electronically Scanned Array (AESA) Fire Control Radar system is widely considered the best in the world. It’s so powerful that it can actually be leveraged for electronic warfare (EW) operations, making the F-35 the only attack aircraft in the U.S. arsenal that can handle its own EW in a fight.

Radar data is supplemented by the jet’s AN/AAQ-37 Electro-optical Distributed Aperture System, which consists of six high-resolution infrared sensors at different points on the airframe to provide a complete 360-degree view of the battlespace. This system can identify and track other aircraft in the area, incoming missiles, and even allow the pilot to look through the fighter’s fuselage using his or her helmet-mounted viewing system during nighttime operations.

F-35

U.S. Air Force Maj. Kristin Wolfe performs a demonstration in the F-35A Lightning II during at the Reno Air Races in Reno, Nevada, September 19, 2021. The F-35 Lightning II Demonstration Team is based out of Hill Air Force Base, Utah. (U.S. Air Force photo by Tech. Sgt. Nicolas Myers)

F-35

The first F-35C Lightning II sortie takes off from the U.S. Navy F-35 Strike Fighter Squadron VFA 101 at Eglin Air Force Base, Fla. Aug. 14. Sailors have been on station for two years ready for the day they would launch a carrier variant of the military’s joint strike fighter. The Navy’s first pilot training course at Eglin was concluded in January and the second course began June with seven pilots soon to begin training flight operations in two of the squadron’s F-35Cs. (U.S. Air Force photo/Samuel King Jr.)

F-35

F-35. Image Credit: Lockheed Martin.

F-35

F-35 Joint Strike Fighter, A Model. Image Credit: Lockheed Martin.

The powerful computers onboard the F-35 take data fed through both of these systems, as well as from other sensors in space, the air, land, and sea, and fuse it all into a single consumable display presented to the pilot through a combination of a single large screen and a helmet-mounted system. As a result, the F-35 provides better situational awareness than any tactical aircraft in history. And by sharing this data with older aircraft, it makes 4th generation fighters deadlier simply by flying alongside them.

Perhaps most important of all, the F-35 outnumbers all other stealth fighters by a wide margin, with more than 700 delivered to the U.S. and its allies since the program began. So, while the F-35 may not match the sheer performance of other stealth fighters, it more than compensates through awareness and volume.

#1 America’s F-22 Raptor The reigning king of the skies (is endangered)

As the world’s first 5th generation fighter, the F-22 Raptor is the oldest design on this list, but its incredible combination of low observability and high performance not only set the standard for all stealth fighters to come, it remains the most capable stealth fighter in service anywhere on the planet to this very day. The Raptor is said to carry a frontal RCS of just 0.0001~0.0002 square meters, which is (as we’ve already mentioned) some 5,000 times smaller than expert assessments of the Russian Su-57, at least 800 times smaller than the J-20, and even 5-10 times smaller than the much newer F-35.

Of course, stealth isn’t everything in fighters, and the Raptor brings a lot more than sneakiness to the fight. While the F-22 doesn’t offer the same degree of situational awareness found in the F-35, its sensor and avionics suite is still considered to be robust enough to give Raptor pilots what the Air Force calls, “first kill opportunity,” meaning it can spot enemy fighters and engage them with weapons that reach beyond-visual-range before the bad guy even knows it’s there.

F-22 vs. F-15

A U.S. Air Force F-22 Raptor, 3rd Fighter Wing, Elmendorf Air Force Base, Alaska, flies over the Nevada Test and Training Range for a training mission during Red Flag 11-3, March 2, 2011. Red Flag is a realistic combat training exercise involving the air forces of the United States and its allies. The exercise is hosted north of Las Vegas on the Nevada Test and Training Range.(U.S. Air Force photo by Senior Airman Brett Clashman)

Israeli Military

Image: Creative Commons.

F-22 vs. F-35

Image: Creative Commons.

F-22 Upgrades

Image: Creative Commons.

But the F-22 is not just a sniper. Thanks to a top speed of Mach 2.25 and the ability to supercruise (fly at supersonic speeds without using its afterburner), the Raptor can cover more distance at greater speeds than its competition while still having enough fuel left in the tank for a fight once it arrives. And even when fighting in close quarters, the F-22’s 180-degree thrust vector control supplements its aerodynamic design to provide excellent maneuverability.

Despite the Raptor’s dominant performance, even in a field of stealth fighters, it exists in dwindling numbers today. With just 186 total F-22s delivered and fewer than 150 considered combat-capable, the F-22 is already living on borrowed time. Because its production line was devoured by the F-35 and the Air Force’s next air superiority fighter developed under the Next Generation Air Dominance program, the F-22’s reign as king of the skies will likely come to a close within the coming decade.

Honorable Mentions

It should be noted that there are a number of other 5th generation fighter programs in various stages of development, including Russia’s budget-friendly Su-75 Checkmate and China’s FC-31 Gyrfalcon. However, because these aircraft have yet to reach operational service, they can’t really be ranked against these jets that are already on the job.
Su-75

Su-75 Checkmate Stealth Fighter. Image Credit: Russian Government.

Alex Hollings is a writer, dad, and Marine veteran who specializes in foreign policy and defense technology analysis. He holds a master’s degree in Communications from Southern New Hampshire University, as well as a bachelor’s degree in Corporate and Organizational Communications from Framingham State University.
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6 Comments

6 Comments

  1. Philip Spector

    May 2, 2022 at 2:38 pm

    One should remember that technology always advances with the passage of time.

  2. Steven Ferguson

    May 2, 2022 at 6:03 pm

    They need to keep the remaining F-22’s operational and state side. To let it wither and die would be such a waste. It’s place should be defending United States airspace. Let the “Joint Strike Fighter” serve overseas. Keep the Raptors home and ready. We’re going to need them one day.

  3. Gabriel A Albornoz

    May 2, 2022 at 11:22 pm

    It’s a joke to say the least, to be very sure of something is to have lost before starting. The most important part of any combat aircraft is the pilot, what technology does is enhance skills and talents. It’s that simple.

  4. Udo Klein

    May 3, 2022 at 1:55 am

    Anti-American/Pro-China infiltration of our military command and government is degrading readiness. Perhaps they think our obese Koolaid-in-hair LGBTQQAIDS+ Stunning And Brave Corps military and leadership will defeat America’s enemies with their loud screeching while flipping the bird. That will defeat the PLA😂 My money’s witg Chinese boots on the transsexuals necks before they’re sent to Chinese slave labor and organ donation camps where they will get a delicious helping of reality with no more pumping high levels of hormones into their bodies nature never intended.

  5. Jack

    May 3, 2022 at 11:24 am

    That sunset photo in the F22 category looks a lot like an F35. It has that stuffed pig look compared to the sleek lines of the F22.

  6. Biotechnologist

    May 6, 2022 at 7:32 am

    Su 57 isn’t a 5th generation it’s just a 4++ and for answer who said the pilot it’s most important no pilot can’t with f14 fight with f22 one to one or even 2 vs one with that angle attack only country have tomcat is Iran and we had best pilot or even yet have because our pilot use the f4 and f5 no pilot in USA don’t flight with these fighters but our pilots are best but don’t have just a squadron of 4++ or even 4+ and our. China even with that info couldn’t build an advancer fighter from lightning but I think best 5th generation fighter is black widow YF23. YF23 had the best stealth and was awesome really winner was black widow

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