Huawei's Kirin 930 flagship CPU uses enhanced Cortex A53e cores pushed to 2GHz clock speed
Huawei is making serious progress with its chipmaking business, coming up with more impressive in-house processors for its smartphones each year. The one that's en vogue for 2015 is the Kirin 930, an eight-core monster that's built on a 16nm process. Previously, the available information suggested that the K930 is based on stock ARM Cortex A53 and Cortex A57 cores, with the most recent reports surprisingly revealing an all-Cortex A53 octa-core configuration at the helm.
Predictably, some questioning ensued, as the A53 cores are low powered and play second fiddle to the hotter A57 cores in the typical octa-core configuration. However, Huawei chimed in with an interesting explanation. Apparently, the Kirin 930 is based on four regular Cortex A53 cores and four enhanced Cortex A53e cores. The latter appears to be a Huawei creation, and are remarkably different to the traditional Cortex A57 and Cortex A53 cores. For starters, stock A53 cores traditionally run at 1.2GHz, which doesn't cut it for flagship performance. So Huawei pushed them as hot as 2Ghz, which makes them nearly as fast as Cortex A57 cores, but more power-efficient.
According to the company, A57 cores, which are about 56% faster than A53 cores, could eat up as much as 256% more electricity, which results in heat creation and reduced battery life. So Huawei made a careful compromise and ended up with slightly slower, but hopefully more power-conscious cores.
source: MyDrivers.com via GizmoChina
source: MyDrivers.com via GizmoChina
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