CoolMax RM-750B 750W vs Thermaltake Toughpower GX3 850W

A side-by-side spec comparison of the CoolMax RM-750B 750W and the Thermaltake Toughpower GX3 850W. 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.

As an Amazon Associate, PlanMyPC earns from qualifying purchases. We may also earn from other stores linked here. How we make money

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

Side-by-side specification comparison of CoolMax RM-750B 750W and Thermaltake Toughpower GX3 850W.
Specification	CoolMax RM-750B 750W $50.99 Amazon price as of Nov 4, 20:01 UTC Buy on Amazon	Thermaltake Toughpower GX3 850W $86.49 Amazon price as of Nov 5, 00:00 UTC Winner Buy on Amazon
Modular	non-modular	non-modular
Wattage	750W	850W
Efficiency	80+	80+ Gold
Form Factor	ATX	ATX

Winner: Thermaltake Toughpower GX3 850W — driven by Efficiency (80+ Gold), Wattage (850W)

CoolMax RM-750B 750W

performance points

Thermaltake Toughpower GX3 850W

performance points

Winner is scored by weighting the specs that matter most in this category (not a raw count of specs won).

Compare more parts

Add a third or fourth power supply to this comparison, or build a side-by-side from scratch in the interactive compare tool.

Open in interactive compare tool All Power Supply