The document discusses various smartphone processor architectures, specifically ARM (RISC) and x86 (CISC), highlighting key players like Qualcomm Snapdragon, Samsung Exynos, Huawei HiSilicon Kirin, and Apple processors. It details the characteristics of each processor, noting that Snapdragon is designed by Qualcomm, Exynos by Samsung, Kirin by Huawei, and a range of processors by Apple, showcasing their unique development and manufacturer specifics. Additionally, it emphasizes the distinction between RISC and CISC instruction sets used in these processors.