Beast wars
LG Optimus G v Samsung Galaxy S III
Audio quality
Both the Samsung Galaxy S III and the LG Optimus G posted some excellent scores in our audio quality test. The Galaxy S III output is generally a bit cleaner, but the difference is a bit hard to detect with a naked ear.
The two are also quite evenly matched, when it comes to volume levels too - sadly neither of them is particularly impressive in that aspect. If we had to pick we'd give the Galaxy S III the win here, but no matter which one you choose, you'd be getting pretty good audio output.
Check out the numbers and see for yourselves.
| Test | Frequency response | Noise level | Dynamic range | THD | IMD + Noise | Stereo crosstalk |
| LG Optimus G | +0.13, -0.11 | -82.5 | 82.5 | 0.0092 | 0.022 | -81.6 |
| LG Optimus G (headphones attached) | +0.05, -0.30 | -80.8 | 80.9 | 0.012 | 0.061 | -59.4 |
| Samsung I9300 Galaxy S III | +0.03, -0.05 | -90.3 | 90.3 | 0.012 | 0.018 | -92.6 |
| Samsung I9300 Galaxy S III (headphones attached) | +0.11, -0.04 | -90.2 | 90.2 | 0.0092 | 0.090 | -53.1 |
LG Optimus G frequency response
Samsung I9300 Galaxy S III frequency response
You can learn more about the whole testing process here.
Loudspeaker
The Samsung Galaxy S III did reasonably well in our loudspeaker test, but its performance came nowhere near the LG Optimus G levels. The LG smartphone posted some of the highest scores we have seen, snatching an excellent mark in the process.
This means that you are for more unlikely to miss a call with the LG Optimus G even in noisier environments.
| Speakerphone test | Voice, dB | Ringing | Overal score | |
| 66.8 | 66.1 | 67.7 | ||
| HTC One X | 65.1 | 66.0 | 75.8 | |
| LG Optimus 4X HD | 68.7 | 66.6 | 79.3 | |
| Samsung I9300 Galaxy S III | 75.1 | 66.5 | 75.0 | |
| Motorola RAZR XT910 | 74.7 | 66.6 | 82.1 | Very Good |
| 74. 6 | 71.3 | 82.7 | Excellent |
You can learn more about our loudspeaker testing procedures here.
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