NASA / Boeing · USA
CASC / CALT · China
| SLS Block 1 | Metric | Long March 5 |
|---|---|---|
| 95,000 kg+280% | Payload to LEO | 25,000 kg |
| 27,000 kg+93% | Payload to GTO | 14,000 kg |
| 98.1 m+72% | Height | 56.97 m |
| ~$40,000+/kg | Cost per kg | +>100%N/A |
| 100%+6% | Success Rate | 94.1% |
| 2022 | First Flight | +0%2016 |
| No | Reusable | No |
| NASA / Boeing | Company | CASC / CALT |
| USA | Country | China |
Payload to Low Earth Orbit (LEO) — relative scale
Payload to Geostationary Transfer Orbit (GTO)
4
SLS Block 1 wins
1
Tied
2
Long March 5 wins
SLS Block 1 delivers 280% more payload to LEO, making it the heavier lifter.
SLS Block 1 has a higher success rate (100% vs 94.1%), indicating greater flight heritage.
Overall, SLS Block 1 wins on more metrics (4 vs 2), though each rocket is designed for different mission profiles.