The Realme C12 sports a 6.5-inch HD+ mini-drop display with 88.7% screen-to-body ratio and an aspect ratio of 20:9. The phone is powered by 2.3GHz Octa-Core MediaTek Helio G35 12nm processor with IMG PowerVR GE8320 GPU. It has up to 3GB RAM, 32GB internal storage which is expandable with microSD card slot.
At the back, the phone features geometric design with triple rear cameras housed in a squarish in the top left corner. Realme C12 has a triple camera setup with a combination of 13-megapixel primary camera with f/2.2 aperture, a 2-megapixel Monochrome sensor with f/2.4 aperture, and 2-megapixel Macro lens with f/2.4 aperture. Camera features include beauty mode, HDR, panoramic view, portrait mode, time-lapse, HDR, slow-motion, nightscape, and more. For the front, there is an 5-megapixel selfie camera with f/2.0 aperture.
The Realme C12 also comes with a rear fingerprint sensor. Realme C12 runs on Android 10 with Realme UI running on top of it and is backed up by a massive 6,000mAh battery with 10W charging.