| Test | SBAudigy2PlatinumEX44k | SBAudigy2PlatinumEXHP44k |
| Frequency response (from 40 Hz to 15 kHz), dB: | +0.06, -0.19 | +0.06, -0.16 |
| Noise level, dB (A): | -90.2 | -70.8 |
| Dynamic range, dB (A): | 89.5 | 70.7 |
| THD, %: | 0.0037 | 0.0072 |
| IMD, %: | 12.811 | 4.145 |
| Stereo crosstalk, dB: | -89.0 | -73.3 |