The A5 Processor is a system-on-a-chip designed by Apple Inc. and was first introduced in 2010. It is built on a 45-nanometer process and features a dual-core CPU, which enhances performance and efficiency for various applications. The A5 was used in devices like the iPad 2 and iPhone 4S, providing improved graphics and processing power compared to its predecessor. This processor supports advanced features such as OpenGL ES 2.0 for better graphics rendering and H.264 video decoding. The A5 also includes a dedicated graphics processing unit (GPU), which allows for smoother gaming experiences and high-definition video playback, making it a significant upgrade for mobile devices at the time.