The HTC One X arrived after the Sony Xperia S, so it should be better, right? Moreover, it sports either a quad-core Tegra 3 processor, or a dual-core Snapdragon S4, compared to last year's S3 in the Xperia S. Well, we are not going to tell you right away who wins – we upgraded the phones to their latest firmware versions and charged ahead, so read on for the full picture...
