Soyuz-U2 vs Soyuz FG
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-U2 clearly beats Soyuz FG on LEO Capacity but clearly loses on Launch Mass — this pair is a priorities question, not a quality question.
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| Metric | Soyuz-U2Soviet Space Program | Soyuz FGProgress Rocket Space Center |
|---|---|---|
| Overall OptiSift Score | 52.2#7 | 51.0#9 |
| LEO Capacity | 7,050 | 6,450 |
| Successful Launches | 71 | 59 |
| Failed Launches | 0 | 1 |
| Launch Mass | 298 | 305 |
| Length | 34.54 | 49.5 |
| Diameter | 2.95 | 3 |
| Reusable | No | No |