SMARTER. The most impressive part of the camera, is the brain that powers it, or as Apple calls it, the Neural engine. Enhanced smart HDR allows you to capture more natural looking photos, closer to what the eye sees — a more balanced photo with less over/underexposed areas. Apple also claims that in the fall, a software update called Deep Fusion will use pixel by pixel technology to process photos, giving them the best possible details, texture, and noise reduction.