Overall Performance
To calculate each cooler’s overall performance, I take into account three factors, the CPU’s temperature, wattage, and frequency, by using the following equation:
(Wattage / Temperature) x Frequency
Each chart shows the cooler under test as 100% and every other product’s performance as relative to it.
Overall performance is high, but the NH-D15 is still ahead. Only at full fan speed does the A115 have almost similar performance but a notably higher noise output.
Performance Per Price
The $99 price tag is fair, given the cooler’s a high performance per price ratio.
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“Lower is better” in “Average Watt” chart: is it correct?