Corsair RM1200e 1200W vs Corsair RM650e (2025) 650W

A side-by-side spec comparison of the Corsair RM1200e 1200W and the Corsair RM650e (2025) 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.

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Side-by-side specification comparison of Corsair RM1200e 1200W and Corsair RM650e (2025) 650W.
Specification	Corsair RM1200e 1200W $234.99 Corsair price as of Oct 24, 21:43 UTC Winner Buy on Corsair	Corsair RM650e (2025) 650W $104.99 Corsair price as of Oct 24, 21:43 UTC Buy on Corsair
Modular	full	full
Wattage	1200W	650W
Efficiency	80+ Gold	80+
Form Factor	ATX	ATX

Winner: Corsair RM1200e 1200W — driven by Efficiency (80+ Gold), Wattage (1200W)

Corsair RM1200e 1200W

performance points

Corsair RM650e (2025) 650W

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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