| Test | Sony Ericsson X8 | Xperia X10 mini | LG GT540 | iPhone 4 16GB |
| Frequency response (from 40 Hz to 15 kHz), dB: | +0.85, -0.49 | +0.73, -1.32 | +0.27, -1.63 | +0.16, -0.14 |
| Noise level, dB (A): | -82.2 | -81.5 | -83.1 | -86.7 |
| Dynamic range, dB (A): | 83.4 | 82.8 | 83.7 | 86.7 |
| THD, %: | 0.036 | 0.033 | 0.029 | 0.0058 |
| IMD + Noise, %: | 0.224 | 0.446 | 0.109 | 0.038 |
| Stereo crosstalk, dB: | -70.2 | -72.0 | -46.1 | -49.7 |
