My best guess is that the Sunspider benchmark like single-threaded performance, and Cyclone destroys Krait/Cortex here. As for why, Cyclone's core are bigger,

My best guess is that the Sunspider benchmark like single-threaded performance, and Cyclone destroys Krait/Cortex here. As for why, Cyclone's core are bigger, wider compared to Krait/Cortex, and are Out Of Order. (This is a nice article on that: http://www.extremetech.com/computing/179473-apples-a7-cyclone-cpu-detailed-a-desktop-class-chip-that-has-more-in-common-with-haswell-than-krait http://www.extremetech.com/computing/179473-apples-a7-cyclon...)