Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Proton-K/D-2 Khrunichev State Research and Production Space Center × remove | Soyuz U Russian Federal Space Agency (ROSCOSMOS) × remove | Vostok 8A92M RKK Energiya × remove |
|---|---|---|---|
| Flights | 3 | 714 | 93 |
| Success rate | 100% | 97.2% | 98.9% |
| Thrust | 8,847 kN | — | 3,996 kN |
| Height | 57 m | 51.1 m | 30.84 m |
| Diameter | 4.15 m | 2.95 m | 2.99 m |
| Launch mass | 710 t | 313 t | 282 t |
| LEO capacity | 6,220 kg | 6,900 kg | 3,800 kg |
| GTO capacity | — | — | — |
| Launch cost | — | — | — |
| Reusable | No | No | No |
| Stages | 4 | 3 | 2 |