SeaSonic FOCUS SGX (2021) 550W vs SeaSonic PRIME Gold 650W
A side-by-side spec comparison of the SeaSonic FOCUS SGX (2021) 550W and the SeaSonic PRIME Gold 650W. We line up every specification and score the ones that matter most in this category — weighted, not a raw count of specs won — to reach an overall verdict so you can decide which power supply is right for your build.
| Specification | ||
|---|---|---|
| Modular | full | full |
| Wattage | 550W | 650W |
| Efficiency | 80+ Gold | 80+ Gold |
| Form Factor | SFX | ATX |
Winner: SeaSonic PRIME Gold 650W — driven by Wattage (650W)
SeaSonic FOCUS SGX (2021) 550W
0
performance points
SeaSonic PRIME Gold 650W
2
performance points
Winner is scored by weighting the specs that matter most in this category (not a raw count of specs won).
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