As usual, we've tested how the loudspeakers on each of the phones perform. Three score Good marks with the HTC One X scoring Average, but really it's just under the threshold for getting the same rating as its peers. The Galaxy S III and LG Optimus 4X HD are slightly louder than the other two.
|Speakerphone test||Voice, dB||Ringing ||Overall score|
|HTC One X||65.1||66.0||75.8|
|Meizu MX 4-core||68.5||65.5||75.1||Good|
|LG Optimus 4X HD||68.7||66.6||79.3||Good|
|Samsung I9300 Galaxy S III||75.1||66.5||75.0|
Two the four contenders fared excellently in the first part of our audio quality test. The Samsung Galaxy S III, and the Meizu MX 4-core produced excellent scores all over the field and you can be sure that they can suply perfectly clean sound to your home or car stereo. The Meizu MX 4-core clinches the top spot on this occassion due to its higher volume levels with the Galaxy S III sliding right below it in the ranking.
The HTC One X and LG Optimus 4X HD performance with no headphones attached was pretty mediocre and not suited to their high-end status. The HTC finishes a distant third due to its lower (but still rather poo) distortion levels and slightly higher volume. As for the Optimus 4X HD - we've seen $100 smartphones do better than it and that's as damning a verdict as it gets.
Adding a pair of headphones to the mix alters the picture and the Galaxy S III comes out on top. The Meizu MX 4-core doesn't produce as clean results, but it again offers higher volume levels, which makes it a close second. Once again the two Tegra 3-packing devices dissapointed, with the HTC One X still managing to do a little better than the LG Optimus 4XHD.
And here go the results for you to check out.
|Test||Frequency response||Noise level||Dynamic range||THD||IMD + Noise||Stereo crosstalk|
|LG Optimus 4X HD||+0.02, -0.52||-74.8||74.8||0.345||0.318||-81.6|
|LG Optimus 4X HD (headphones attached)||+0.03, -0.51||-70.1||69.9||0.815||0.811||-64.5|
|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|
|HTC One X||+0.02, -0.08||-82.1||82.1||0.137||0.393||-80.7|
|HTC One X (headphones attached)||+0.10, -0.10||-80.6||80.6||0.174||0.459||-60.8|
LG Optimus 4X HD frequency response
Samsung I9300 Galaxy S III frequency response
HTC One X frequency response
Meizu MX 4-core frequency response
You can learn more about the whole testing process here.
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