Samsung Galaxy A12 is powered by a 1.8GHz octa-core MediaTek Helio P35 (MT6765) processor that features 4 cores clocked at 1.8GHz and 4 cores clocked at 2.3GHz. It comes with 4GB of RAM. ... The Samsung Galaxy A12 is a dual-SIM (GSM and GSM) mobile that accepts Nano-SIM and Nano-SIM cards. 64GB Storage.