The Apple M series refers to a line of custom-designed processors created by Apple Inc. for their computers and tablets. These chips are based on the ARM architecture and are known for their high performance and energy efficiency. The M series includes various models, such as the M1, M1 Pro, M1 Max, and M2, each offering different capabilities to suit a range of devices from the MacBook Air to the MacBook Pro. The introduction of the M series marked a significant shift from Intel processors to Apple's own silicon, allowing for better integration between hardware and software. This transition has enabled improvements in battery life, graphics performance, and overall system responsiveness, enhancing the user experience across macOS and iPadOS devices.