exynos 7870The processor Samsung Exynos 7870 is developed on the 14 nm technology node and architecture Cortex-A53. Its base clock speed is 1.60 GHz, and maximum clock speed in turboEdit Values. Exynos 7870. FRONT 7870 342.jpg. General Info. Desner, Samsung, ARM Holdings. Manufacturer, Samsung. Model Number, 7870.