Xiaomi has officially entered the premium mobile processor arena with the debut of its first self-developed system-on-chip (SoC), the Xring O1. Fabricated using TSMC’s second-generation 3nm process, the Xring O1 boasts an impressive 19 billion transistors within a compact 109mm² die. This powerful chipset will drive performance in the newly launched Xiaomi 15S Pro smartphone and the Xiaomi Pad 7 Ultra tablet.
This launch represents a significant milestone for Xiaomi, which has historically depended on third-party chipmakers like Qualcomm and MediaTek. Company founder Lei Jun revealed that Xiaomi invested over 13.5 billion yuan (~$1.87 billion) and dedicated four years to bring the Xring O1 to life. With this achievement, Xiaomi becomes the fourth company worldwide to successfully mass-produce an in-house smartphone chipset.
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A teardown conducted by well-known tech blogger Geekerwan confirmed that the Xring O1 is indeed a fully self-developed processor. After removing the package-on-package (POP) memory, the teardown revealed a distinct internal architecture and a Xiaomi logo etched onto the die, providing visual confirmation of its authenticity. Geekerwan noted that the design shares no similarities with Apple’s A18 Pro, Qualcomm’s Snapdragon 8 Elite, or MediaTek’s Dimensity 9400, ruling out any chance of rebranding.
This marks a bold move by Xiaomi to assert its technological independence and compete at the highest levels of the semiconductor industry.
