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Comparison · Power supplies

5 V 100 W power supply or 12 V 100 W power supply

Two models side by side: measurements taken by the author in their reviews, and their conclusions. The better value in each row is highlighted.

In brief: Based on review measurements: Ripple: 12 V 100 W power supply (25 mV vs. 100); Temperature rise: 12 V 100 W power supply (106 °C vs. 135).

Model5 V 100 W power supply5 V 100 W power supply2026Read review →12 V 100 W power supply12 V 100 W power supply2025Read review →
Voltage, V512
Power, W100100
Ripple, mV10025
Temperature rise, °C135106
Review conclusionWith reservationsRecommended

Only in one review: Current 20 A (5 V 100 W power supply); In test 75 W (5 V 100 W power supply); Efficiency 72 % (5 V 100 W power supply).

5 V 100 W power supply: A decent 75 W supply, but its output inductor overheats at 100 W.

12 V 100 W power supply: A good supply with low ripple, properly set protection, and acceptable temperatures.

Figures were taken from the review text and checked against the quoted passages. Measurement conditions differ between reviews, so read the reviews yourself before buying. Prices at the time of review.

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