Credit
N509FZ · CC BY-SA 4.0 · Resized · CC BY-SA 4.0 · Source ↗ · Modified
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At a glance
Measured figures
Length
Single source21.2 m (69 ft 7 in)[source]
Su-57E · Length
Single sourceConfiguration
| Specification | Chengdu J-20 | Sukhoi Su-57 |
|---|---|---|
| Type | Stealth air superiority fighter[source] | Stealth multirole fighter[source] |
| National origin | China[source] | Russia[source] |
| Manufacturer | Chengdu Aircraft Corporation[source] | United Aircraft Corporation[source] |
| Status | In service[source] | In production[source] |
20.1 m (65 ft 11 in)[source]
Empty; Empty weight
Single sourceGross; Gross weight
Single sourceMaximum take-off; Max takeoff weight
Single source17,000 kg (37,479 lb)[source]
25,000 kg (55,116 lb)[source]
37,000 kg (81,571 lb)[source]
Empty; Su-57E · Empty weight
Single sourceGross; Su-57E · at full load
Single sourceMaximum; Mach 2.0 at altitude
Single sourceMach 2.0, 2,130 km/h (1,320 mph) at altitude[source]
Maximum; Su-57E · at sea level
Single sourceMaximum; Su-57E · Mach 2.0 at high altitude Mach 1.1
Single sourceMach 2.0, 2,135 km/h (1,153 kn; 1,327 mph) at high altitude Mach 1.1, 1,350 km/h (729 kn; 839 mph) at sea level[source]
with 2 external fuel tanks
Single source5,500 km (3,400 mi, 3,000 nmi) with 2 external fuel tanks[source]
2 × Shenyang WS-10C afterburning turbofan with afterburner
Single source2 × Shenyang WS-10C afterburning turbofan , 142–147 kN (32,000–33,000 lbf) with afterburner[source]
Su-57E · 2 × Saturn AL-41F-1 afterburning turbofan thrust each dry
Single sourceSu-57E · in emergency power
Single sourceSu-57E · with afterburner
Single source2 × Saturn AL-41F-1 afterburning turbofan , 88.3 kN (19,900 lbf) thrust each dry, 142.2 kN (32,000 lbf) with afterburner, 147.1 kN (33,100 lbf) in emergency power[source]
59,800 ft/min
Single source304 m/s (59,800 ft/min)[source]
Su-57E · Hardpoints: 12 hardpoints (6 × internal, 6 × external) with a capacity of maximum payload
Single sourceHardpoints: 12 hardpoints (6 × internal, 6 × external) with a capacity of 7,500 kilograms (16,500 lb) maximum payload[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Primary user | People's Liberation Army Air Force[source] | — |
|---|
| Number built | 500 (As of mid-2026)[source] | 44+ as of 2026 (including 10 test aircraft)[source] |
|---|
| Manufactured | 2009–present[source] | 2019–present[source] |
|---|
| Introduction date | 8 March 2017 (J-20) 3 September 2025 (J-20A/J-20S)[source] | 2020[source] |
|---|
| First flight | 11 January 2011; 15 years ago[source] | 29 January 2010 ( 2010-01-29 )[source] |
|---|
| Developed from | J-XX[source] | — |
|---|
| Fuel capacity | 12,000 kg (26,000 lb) internally[source] | 9,700 kg (21,385 lb) internal, 12,900 kg (28,440 lb) with 2× PTB-2000 2,000 L (528 US gal) drop tanks[source] |
|---|
| g limits | +9/-3[source] | +9.0[source] |
|---|
| Wing loading | 340 kg/m 2 (69 lb/sq ft)[source] | 371 kg/m 2 (76 lb/sq ft) normal takeoff weight[source] |
|---|
| Maximum weapon capacity | 11,000 kg (24,000 lb)[source] | — |
|---|
| Internal weapon bays | PL-10 short-range AAM PL-12 medium-range AAM PL-15 long-range AAM PL-16 long-range AAM (In development, to be integrated) PL-21 very-long-range AAM (In development, to be integrated) LS-6/50 and LS6/100 small-diameter PGB (intended) FT-7 small-diameter PGB (intended) CS/BBM2 small-diameter PGB (intended) CM-506KG small-diameter PGB (intended)[source] | — |
|---|
| External hardpoints | PL-15 long-range AAM PL-17 very-long-range AAM 4× under-wing pylon capable of carrying drop tanks .[source] | — |
|---|
| Hardpoints | The wings include four hardpoints for auxiliary fuel tanks to extend the ferrying range and launch racks to carry weapons, such as the PL-15 and PL-17 .[source]External wing hardpoints | 12 hardpoints (6 × internal, 6 × external) with a capacity of 7,500 kilograms (16,500 lb) maximum payload[source] |
|---|
| Designer | — | Sukhoi[source] |
|---|
| Built by | — | Komsomolsk-on-Amur Aircraft Plant[source] |
|---|
| Primary users | — | Russian Aerospace Forces Algerian Air Force[source] |
|---|
| Variant | — | Sukhoi/HAL FGFA (cancelled)[source] |
|---|
| Guns | — | 1 × 30 mm Gryazev-Shipunov GSh-30-1 autocannon[source] |
|---|
| Supercruise | — | Mach 1.3, 1,400 km/h (756 kn; 870 mph) supercruise at high altitude[source] |
|---|
| Thrust/weight | — | 1.09 at normal takeoff weight (0.97 at loaded weight with full fuel)[source] |
|---|
| Missiles | — | Air-to-air missiles : R-77 M R-74M2 R-37 (missile) Air-to-surface missiles : 4 × Kh-38 M 4 × Kh-69 S-71K Kovyor Anti-ship missiles : 2 × Kh-35 U 2 × Kh-31 Anti-radiation missiles : 4 × Kh-58 UShK[source] |
|---|
| Bombs | — | KAB-250 guided bomb KAB-500 guided bomb "Drill" anti-tank 500 kg cluster bomb with active homing[source] |
|---|
Gross; Su-57E · normal takeoff weight
Single sourceMaximum take-off; Su-57E · Max takeoff weight
Single source