小米发布会直击：小米芯片要对标苹果，未来五年再投入2000亿研发费用

Core Viewpoint - Xiaomi has launched the Xiaomi 15S Pro smartphone, starting at a price of 5499 yuan, featuring the new "Xuanjie O1" 3nm flagship processor [1] Group 1 - The starting price of the Xiaomi 15S Pro is set at 5499 yuan [1] - The device is equipped with the "Xuanjie O1" 3nm flagship processor, indicating a focus on advanced technology and performance [1]