Qualcomm's mid-range series have a growing fan base thanks to solid performance and great battery life. Both qualities should improve with the new generation - the Snapdragon 660 is built on a 14nm process for efficiency and uses eight Kryo 260 cores for power. So it's a combination of the 625 and 653 chipsets that came before it, the best of both worlds. Or is it? The Snapdragon 65x had beefy Cortex-A72 cores to help with single-threaded tasks and Cortex-A53 for power efficiency, this one has only one type of core. And still Qualcomm promises a 20% improvement over the Snapdragon...
Source: http://www.gsmarena.com/snapdragon_660_benchmarked_a_small_bump_over_the_s653-news-25145.php
