- Review -

30.12.2012 Tom’s Hardware

NH-D14 SE2011

One of the liquid coolers in today’s comparison looks like it runs extra cool, while another model operates very quietly. In order to compare cooling to noise, we first take mathematical averages of the CPU temperature delta for all coolers and the noise level for all coolers. Changing to a percentage scale, we reflect higher thermal performance for lower temperatures (an inverse scale) by dividing the group average by each cooler’s actual temperature. Larger denominators produce smaller percentages (one-eighth is half as much as one-fourth), so we put noise on a direct scale by dividing each cooler’s installed noise by the group’s average. Dividing the first calculation by the second produces an easy-to-read cooling-to-noise chart. Nothing is more than 100% efficient, so we change the 100% baseline to 0% by subtracting 100% from each calculation. We see, for example, that Noctua’s NH-D14 is 22% more efficient than the average for today’s cooling contenders, while Cooler Master's Seidon 240M is 7% less efficient than the group average.

"Can Air Cooling Win A Round-Up Of Liquid Coolers? Yielding CPU temperatures just a few degrees warmer than Corsair's top-performing H100i, generating less noise than the extra-quiet Enermax ELC240, and selling for less than any of the closer-loop liquid coolers in today's story, Noctua’s NH-D14 looks like the surprise winner in our analysis of value." (Thomas Soderstrom, Tom's Hardware)