小米自研手机SoC芯片浮出水面 雷军以“十年饮冰”总结造芯历程

Core Insights - Xiaomi has launched its second self-developed mobile SoC chip, named "Xuanjie O1," marking a significant milestone in its ten-year journey of chip development [2][5] - The new chip is expected to be unveiled in late May 2024 and is anticipated to utilize advanced manufacturing processes, potentially achieving performance levels comparable to leading competitors [3][4] Group 1: Chip Development Journey - Xiaomi's chip development began in October 2014 with the establishment of a subsidiary, Pinecone Electronics, leading to the production of its first SoC, the Surge S1, in 2017 [5] - The Surge S1 was manufactured using a 28nm process and featured an octa-core A53 architecture, but it faced challenges due to outdated technology and insufficient baseband capabilities [5] - Following the initial setbacks, Xiaomi continued to innovate with various chip series, including imaging chips, charging chips, and battery management chips, while also establishing Shanghai Xuanjie Technology Co., Ltd. in December 2021 [5][6] Group 2: Specifications and Expectations for Xuanjie O1 - Although specific details about the Xuanjie O1 chip are not yet disclosed, it is rumored to be based on a second-generation 4nm process and may feature an architecture that includes an Arm Cortex-X925 CPU and an Immortalis-G925 GPU [3] - The chip is expected to adopt an "Arm reference architecture AP + external 5G baseband" design, with potential configurations of 8-core or 10-core CPU clusters [3] - The Xuanjie O1 is likely to be integrated into Xiaomi's flagship model, the Xiaomi 15S Pro, which is set to celebrate the company's 15th anniversary [4]