Oppo A12 is powered by an octa-core MediaTek Helio P35 (MT6765) processor. It comes with 3GB of RAM. The Oppo A12 runs Android 9 and is powered by a 4230mAh non-removable battery.As far as the cameras are concerned, the Oppo A12 on the rear packs a 13-megapixel primary camera with an f/2.2 aperture and a pixel size of 1.12um-micron and a second 2-megapixel camera with an f/2.4 aperture. The rear camera setup has autofocus. It sports a 5-megapixel camera on the front for selfies, with an f/2.4 aperture and a pixel size of 1.12um-micron.