According to developer AndreiLux, a poor implementation of the big.LITTLE driver means that a maximum of four of the Samsung Exynos 5 Octa’s cores are actually operational.
Samsung's Exynos 5 Octa Functions as a Quad-Core Processor, Says Developer : Read more
Samsung's Exynos 5 Octa Functions as a Quad-Core Processor, Says Developer : Read more