Realme 3 Pro Details. . Under the hood, the Realme 3 Pro is powered by an octa-core Qualcomm Snapdragon 710 processor, 4GB RAM/6GB RAM, and 128GB/64GB of internal storage that can be further expanded up to 256GB via microSD card. It is the first phone in its price range to use a Snapdragon 710 chipset.