Xiaomi refutes claims of using Arm-designed chip for XRing O1, highlights R&D effort
Xiaomi has clarified that its advanced 3-nanometre XRing O1 system-on-a-chip (SoC) is not a customised solution from Arm, pushing back against speculation as the Chinese smartphone maker seeks to design its own integrated circuits (ICs) in-house to rival industry leaders Apple, Samsung Electronics and Huawei Technologies.“[XRing O1 SoC] is not based on a complete solution provided by Arm, and claims about it being an Arm-customised chip are groundless,” Xiaomi said on Monday in a post to its official WeChat account. The company emphasised that its in-house team spent more than four years developing the 3-nm chip.The XRing O1 uses Arm’s Cortex-X925, Cortex-A725 and Cortex-A520 cores, but the company has stressed that other parts of the chip were designed in-house. It did not use Arm’s Compu...