Samsung quietly introduced its next-generation 64-bit Exynos 7 Octa-core chipset. The Exynos 7 Octa features 4 x ARM Cortex A57 cores and 4 x ARM Cortex A53 cores, which work in the ARM's big.LITTLE architecture. The new chipset is manufactured using 20nm process, which puts it at the same level as the Apple A8. Samsung says that the new Exynos 7 Octa consumes lesser power, despite offering a sizeable boost in performance, thanks to the smaller manufacturing process.

According to Samsung, the Exynos 7 Octa brings a 57% increase in performance over previous generation chips. The new SoC features the powerful Mali T-760 GPU, which can drive displays with 2560 x 1440 and 2560 x 1600 resolutions.

Using the Exynos 7 Octa, one can implement simultaneous high definition recording using the front (5 MP) and rear (16 MP) cameras, thanks to the built-in dual Image Signal Processor (ISP).

While it isn't official, the chipset powering the Samsung Galaxy Note 4 is most likely the Exynos 7 Octa.