The RightMark Audio Analyzer suite is designed for testing quality of analog and digital paths of any audio devices, be it a sound card, an MP3 player, a consumer CD/DVD player or an acoustic set. The results are obtained by playing and recording test signals passed through the tested audio path by means of frequency analysis algorithms. The latest version of RightMark Audio Analyzer can be found here.
The ASUS Sabertooth 990FX motherboard was able to achieve a “Good” rating according to Rightmark Audio Analyzer. Taking a look at the numbers we can see a few differences. The Frequency Response showed a bit better performance than the MSI 990FXA-GD80, though the Noise level and the Dynamic range were lower performing on the ASUS Sabertooth 990FX. The THD, %, the THD + Noise, dB, IMD + Noise, %, Stereo crosstalk, dB, and IMD at 10 KHz, % were neck and neck on the ASUS Sabertooth 990FX and the MSI 990FXA-GD80.