18 X299 motherboards review: battle for first

An affordable, overclockable or ultimate motherboard for your Skylake-X? We’ve got you covered!

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Audio quality

We test the sound quality of the boards with the loopback test of Rightmark Audio Analyzer. Do note: this means we test the quality of both the input and output of the on-board sound cards simultaneously. The 'weakest link' determines the result.

The dynamic range and noise level test are very comparable and show nearly identical results. The dynamic range test measures the difference in volume between the loudest and softest observable signal, the noise level test measures the difference between the loudest sound and the noise level.

To put the numbers in perspective: the highest dynamic range c.q. noise level theoretically possible with 16 bit sound is 96 dB. 99.9% of the sound you listen to on your PC (CDs, MP3s, YouTube, games, ...) is 16 bit and the graphs proof that the hardware is no bottleneck in almost all cases. We can only achieve the higher scores by testing with 24 bit audio. By the way, we cannot imagine someone actually able to distinguish between 91 dB and 100 dB signal/noise ratio.

The ASUS ROG-boards have the best scores in our audio test, but a few MSI boards also perform well. The audio quality of the Gigabyte and ASRock boards is not as great, but truth be told we have little to complain about with any of these boards.

The stereo crosstalk tests to which extent sound from one channel (left or right) resounds on the other channel. 

Lastly we measure the total harmonic distortion, the average distortion in the frequency domain, using RMAA. 


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