Soyuz FG vs Soyuz-U2
Side-by-side comparison across specs, pricing, and overall score — every value traced to a source.
Verdict: Soyuz-U2 ranks highest overall (#7) with a score of 52.2.
The best choice still depends on which specs matter for your workload — per-metric winners are marked below.
What the numbers hide
Computed from the published values below — no estimates, no generated claims.
Fragile verdict
The overall winner flips to Soyuz FG if Launch Mass is weighted at 45% (it counts for 13% today). If launch mass drives your decision, the ranking above may not be your ranking.
Fragile verdict
The overall winner flips to Soyuz FG if Length is weighted at 40% (it counts for 6% today). If length drives your decision, the ranking above may not be your ranking.
Real tradeoff
Soyuz FG clearly beats Soyuz-U2 on Launch Mass but clearly loses on LEO Capacity — this pair is a priorities question, not a quality question.
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| Metric | Soyuz FGProgress Rocket Space Center | Soyuz-U2Soviet Space Program |
|---|---|---|
| Overall OptiSift Score | 51.0#9 | 52.2#7 |
| LEO Capacity | 6,450 | 7,050 |
| Successful Launches | 59 | 71 |
| Failed Launches | 1 | 0 |
| Launch Mass | 305 | 298 |
| Length | 49.5 | 34.54 |
| Diameter | 3 | 2.95 |
| Reusable | No | No |