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Su-57 vs F-35 Lightning II: Next-Gen Stealth Fighter Showdown

Su-57 vs F-35 Lightning II: Next-Gen Stealth Fighter Showdown

Su-57 vs F-35 Lightning II

The rivalry between Russia’s Sukhoi Su-57 Felon and America’s Lockheed Martin F-35 Lightning II epitomizes the ongoing competition for air dominance in the 21st century. Both fifth-generation stealth fighters embody their nations’ most advanced aerospace technologies, but their design philosophies, mission profiles, and deployment strategies differ sharply. The Su-57, developed by Sukhoi for the Russian Aerospace Forces, emphasizes speed, agility, and supermaneuvrability. In contrast, the F-35, serving the U.S. and allied forces worldwide, focuses on sensor fusion, network-centric warfare, and multirole versatility. As global defense tensions rise, understanding the distinctions between these two stealth fighters is crucial to evaluating the balance of power in modern aerial warfare.

Performance Verdict

While both jets are classified as fifth-generation stealth fighters, the F-35 Lightning II currently holds the operational edge. Backed by mass production, global deployment, and combat-tested avionics, the F-35 benefits from the United States’ vast defense ecosystem and coalition data-sharing network. Its sensor fusion and electronic warfare capabilities make it a formidable force in both air-to-air and air-to-ground roles.

The Su-57, meanwhile, remains in limited service with only a small number delivered to the Russian Air Force. It boasts superior kinematic performance — including supercruise and extreme agility — thanks to its aerodynamic design and thrust-vectoring engines. However, it lags behind in stealth coatings, production maturity, and network integration.

In conclusion, the F-35 dominates in real-world readiness, stealth, and digital warfare, while the Su-57 shows potential as a powerful platform — if Russia can overcome production and systems integration hurdles.

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	SU-57 Felon Stealth Fighter F-35 Lightning II Fighter Jet

Price
Our Rating	8.0 8.8
Manufacturer	Sukhoi Lockheed Martin
Category	Fighter Jets Fighter Jets

General Information

Name	Su-57 Felon F-35 Lightning II
Manufacturer	Sukhoi (UAC) Lockheed Martin
Country of Origin	Russia United States
Type / Role	Stealth Air Superiority / Multirole Fighter Multirole Stealth Fighter
Generation	Fifth 5th
Status	In limited service In Service
First Flight	January 29, 2010 December 15, 2006
Introduction / In Service Since	2020 2015
Number Built	~25 (as of 2025) 1,200+ (as of 2025)
Operators	Russian Aerospace Forces USA, UK, Japan, Israel, Italy, Australia, and others

Dimensions & Structure

Length	20.1 m 51.2 ft (15.6 m)
Wingspan	14.1 m 35 ft (10.7 m)
Height	4.6 m 14.4 ft (4.38 m)
Wing Area	78.8 m² 460 sq ft (42.7 m²)
Empty Weight	~18,000 kg 29,300 lb (13,300 kg)
Maximum Takeoff Weight (MTOW)	35,000 kg 70,000 lb (31,800 kg)
Internal Weapons Bay	Yes (2 main, 2 side) 2 (up to 5,700 lb payload)
External Hardpoints	6 6–10 (up to 18,000 lb total)

Performance

Maximum Speed	Mach 2.0 Mach 1.6
Range	3,500 km 1,380 mi (2,220 km)
Combat Radius	1,500 km ~670 mi (1,080 km)
Service Ceiling	20,000 m 50,000 ft (15,240 m)
Rate of Climb	330 m/s 45,000 ft/min
Thrust-to-Weight Ratio	~1.15 0.87
G Limits	+9 +9

Powerplant

Engine Type	Saturn AL-41F1 (future Izdeliye 30) Pratt & Whitney F135-PW-100
No. of Engines	2 1
Thrust (each)	142 kN with afterburner 43,000 lbf
Thrust Vectoring	Yes (3D) Yes (on F-35B variant)
Fuel Capacity	~10,300 kg ~18,500 lb internal

Armament

Gun	30mm GSh-30-1 cannon GAU-22/A 25mm cannon (F-35A)
Missiles (Air-to-Air)	R-77, R-74M, R-37M AIM-120 AMRAAM, AIM-9X
Missiles (Air-to-Ground)	Kh-38, Kh-59MK2 AGM-154 JSOW, AGM-158 JASSM
Bombs	KAB-250/500 guided bombs JDAM, Paveway II/III, SDB I/II
Hardpoints	10 (internal + external) 6 external + 2 internal
Payload Capacity	10,000 kg ~18,000 lb

Avionics & Systems

Radar	N036 Byelka AESA AN/APG-81 AESA
Radar Range	400+ km ~150+ km
Electronic Warfare (EW) System	L402 Himalayas suite AN/ASQ-239 suite
Targeting System	IRST + radar fusion EOTS (Electro-Optical Targeting System)
Helmet Display	Integrated HMS HMDS Gen III
Navigation	GLONASS-based INS GPS/INS with terrain-following
Autopilot / AI Assistance	Partial autonomy Advanced flight management
Communication	Encrypted data link MADL & Link 16 secure data links

Stealth & Technology

Radar Cross Section (RCS)	Estimated 0.3–0.5 m² ~0.001 m²
Stealth Features	Internal bays, radar-absorbing composites RAM coating, internal weapons bay, edge alignment
Infrared Signature Reduction	Engine shielding, cooling design Yes
Sensor Fusion	Multi-source integration Full 360° data integration
Networking Capabilities	Limited data-link interoperability Distributed data-sharing with allied units

Variants

Special Export Versions

Su-57E (Export Variant) F-35I (Israel), F-35A (Japan), etc.

Operational History

Major Conflicts / Deployments	Syria (testing), Ukraine (limited combat) Middle East operations (Iraq, Syria)
Notable Operators	Russia USAF, USN, USMC, RAF, IDF
Combat Proven?	Limited Yes
Mission Types	Air superiority, strike, reconnaissance Air superiority, strike, SEAD, ISR

Cost & Program

Unit Cost	~$45–50 million (estimated) $80–100 million (variant-dependent)
Development Cost	~$10 billion (PAK FA program) ~$400 billion (program total)
Program Name	PAK FA (T-50) Joint Strike Fighter (JSF)
Funding Countries	Russia USA, UK, Italy, Netherlands, Canada, Australia, etc.

Additional Information

Upgrades Planned	New radar, Izdeliye 30 engines Block 4, Tech Refresh 3
Future Replacement	None planned (Su-57M modernization) NGAD (2035+)
Export Restrictions	Controlled by Russian government U.S. FMS approval required
Notable Achievements	Russia’s first fifth-gen stealth jet Widest global fighter program in history
Competitors	F-22 Raptor, F-35 Lightning II, J-20 Mighty Dragon Su-57, J-20, Tempest, KF-21

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