The Adreno 306 is a graphics processing unit (GPU) developed by Qualcomm. It is designed to enhance the visual performance of mobile devices, particularly those using the Snapdragon 400 series of processors. This GPU supports various graphics APIs, enabling smooth rendering of games and applications. With its efficient architecture, the Adreno 306 provides improved graphics quality while conserving battery life. It supports features like OpenGL ES 3.0, allowing developers to create more visually appealing and immersive experiences for users. Overall, the Adreno 306 plays a crucial role in delivering high-quality graphics on mid-range smartphones and tablets.