NASA / Boeing · USA
Roscosmos / Progress Rocket Space Centre · Russia
| SLS Block 1 | Metric | Soyuz-2 |
|---|---|---|
| 95,000 kg+1059% | Payload to LEO | 8,200 kg |
| 27,000 kg+731% | Payload to GTO | 3,250 kg |
| 98.1 m+112% | Height | 46.3 m |
| ~$40,000+/kg | Cost per kg | +>100%N/A |
| 100%+3% | Success Rate | 97% |
| 2022 | First Flight | +1%2004 |
| No | Reusable | No |
| NASA / Boeing | Company | Roscosmos / Progress Rocket Space Centre |
| USA | Country | Russia |
Payload to Low Earth Orbit (LEO) — relative scale
Payload to Geostationary Transfer Orbit (GTO)
4
SLS Block 1 wins
1
Tied
2
Soyuz-2 wins
SLS Block 1 delivers 1059% more payload to LEO, making it the heavier lifter.
SLS Block 1 has a higher success rate (100% vs 97%), indicating greater flight heritage.
Overall, SLS Block 1 wins on more metrics (4 vs 2), though each rocket is designed for different mission profiles.