The Test System and Thermal Results
Testing for the CPU coolers is done with the use of RealTemp to ascertain temperatures, Intel Burn Test to deliver the load to the CPU and CPU-Z to verify the CPU speed and the voltage being used in Windows. All of the testing is done with an ambient temperature of 24.5-25Â°C and humidity is maintained to 35% sometimes less.For the "stock" runs, it's more of a plug and play setup where the PWM of the motherboard is in control of the fans speeds for both the idle and load results. Speed Step is active and the processor idles at 1600 MHz and loads at 3500 MHz for the stock settings. I also set the memory to run at 1600 MHz for stock. As for the overclocked runs, I load the CPU at 4.5 GHz and idle results are obtained with 7.5V to the fans while the load run is set to deliver 12V to the fans. This allows me to gauge the lowest and highest fan ratings for my charts.
The light green results are that of the single fan cooling the CNPS14X and at idle this cooler is right on par with the rest of the contenders. Adding the extra pair of fans, show in the normal green, results got a bit better, but we are just allowing the processor to idle.
With the stock clocks applied, both the single fan and the three fan runs were almost even and the CNPS does well at this end. Overclocking the processor is where the gap widens. There is a six degree difference between the way the cooler is shipped and let's say the way it is intended to be cooled. The triple fan results are very respectable, but out of the box the cooler is "meh" at best, even if it is quiet.
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- Page 1 [Introduction]
- Page 2 [Specifications, Availability and Pricing]
- Page 3 [Packaging]
- Page 4 [Zalman CNPS14X Ultra Quiet CPU Cooler]
- Page 5 [Accessories and Documentation]
- Page 6 [Installation and Finished Product]
- Page 7 [The Test System and Thermal Results]
- Page 8 [Noise Level Results]
- Page 9 [Final Thoughts]
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