...摘要: Inter Core CPU 型号的尾字母含义：M：表示移动处理器（Mobile Processor）；QM：四核移动处理器（Quad Mobile Processor）；U：超低电压处理器（Ultra Low Voltage），常用于超级本；XM：至尊移动处理器；其中U系列为了实现低功耗，性能较差。
Not long after Nvidia welcomed the new year with the announcement of its new quad-core Tegra 4, the successor to the popular Tegra 3 mobileprocessor, Qualcomm followed up with two new quad-core additions to its Snapdragon portfolio.
Improvements to the Xperia line aren't merely cosmetic, though: Sony's added a 13-megapixel camera (featuring the HDR video-capable Exmor RS sensor) and a 1.5GHz quad-core Snapdragon S4 Pro -- Qualcomm's most potent mobileprocessor currently available.