Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Vostok 8K72 RKK Energiya × remove | Proton K/DM-2 Khrunichev State Research and Production Space Center × remove | Soyuz U Russian Federal Space Agency (ROSCOSMOS) × remove |
|---|---|---|---|
| Flights | 4 | 110 | 714 |
| Success rate | 75% | 93.6% | 97.2% |
| Thrust | 3,873 kN | — | — |
| Height | 30.84 m | — | 51.1 m |
| Diameter | 2.99 m | — | 2.95 m |
| Launch mass | 281 t | — | 313 t |
| LEO capacity | 4,550 kg | — | 6,900 kg |
| GTO capacity | — | — | — |
| Launch cost | — | — | — |
| Reusable | No | No | No |
| Stages | 2 | — | 3 |