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Thermalright Le Grand Macho RT CPU Cooler Review (Page 6)

By: Chad Sebring from Dec 23, 2016 @ 12:45 CST
TweakTown Rating: 97%Manufacturer: Thermalright

Chad's CPU Cooler Test System Specifications

To see our testing methodology and to find out what goes into making our charts, please refer to our CPU Cooler Testing and Methodology article (October 2016) for more information.

Thermal Results


For a single tower cooler with just one fan to cool all of the fins, when it came to the stock testing we do, the Le Grand Macho RT is impressive with its results. Just slightly behind the NH-D15 at 55.25 degrees, this CPU cooler shows it is very efficient at what it is designed to do.


With PWM still in control of the fan for this round of overclocked testing, we see that the Le Grand Macho RT shines above all of the air coolers we have tested with this system thus far. Not only does it beat the Noctua results, but the 69.75-degree results are nearly as good as the AIO with its pump and fans running all out.


When it comes to this round of testing, we supply the fan with 12V and were able to squeeze another 2.5 degrees improvement out of the Le Grand Macho RT. Still, though, coming in first in air cooling, and only second to an AIO says a lot about this cooler, and keep in mind, this is a couple of degrees better across the board than the Macho Direct as well.

Noise Level Results


At idle under all of the phases of testing, we found that the TY-147B would be spinning at only 460 RPM. Allowing the fan header to use the PWM control for the stock testing, we saw the fan spool up to only 644 RPM at the maximum, and recorded only 22 dB of noise at this time.


Even once the overclock was applied, the noise level hardly moves. The fan at this point topped out at just 817 RPM, and that 150-ish RPM increase took the fan to 25 dB. This is where you would normally experience the maximum noise level, where it is designed to run under extreme loads.


When it comes to pushing the fan with 12V all of the time, we saw the fan was spinning at a constant 1311 RPM. At this time, the fan just creeps into the audible spectrum at 33 dB. Keep in mind that this is worst case scenario too, and since most use PWM to control the fan speeds, it is unlikely you will ever hear the Le Grand Macho cooling the CPU inside of a chassis.

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