Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Soyuz 2.1b Fregat-M Progress Rocket Space Center × remove | Soyuz U Russian Federal Space Agency (ROSCOSMOS) × remove |
|---|---|---|
| Flights | 35 | 714 |
| Success rate | 100% | 97.2% |
| Thrust | 4,150 kN | — |
| Height | 46.3 m | 51.1 m |
| Diameter | 10.3 m | 2.95 m |
| Launch mass | 313 t | 313 t |
| LEO capacity | 8,200 kg | 6,900 kg |
| GTO capacity | 3,250 kg | — |
| Launch cost | $48.5M | — |
| Reusable | No | No |
| Stages | 4 | 3 |