| Test | iPhone 3GS | Xperia X10 mini | Xperia X10 | HTC Desire |
| Frequency response (from 40 Hz to 15 kHz), dB: | +0.31, -0.20 | +0.73, -1.32 | +0.51, -0.35 | +1.43, -0.85 |
| Noise level, dB (A): | -83.7 | -81.5 | -82.9 | -83.9 |
| Dynamic range, dB (A): | 83.6 | 82.8 | 82.8 | 83.8 |
| THD, %: | 0.0095 | 0.033 | 0.037 | 0.031 |
| IMD + Noise, %: | 0.045 | 0.446 | 0.086 | 0.213 |
| Stereo crosstalk, dB: | -79.9 | -72.0 | -56.0 | -65.5 |
