Xiaomi XRING O3 Leak Details New 3-Cluster CPU Setup and Higher Clock Speeds
A fresh leak from Xiaomi's internal code has surfaced with specifics on the company's next in-house processor, the XRING O3. The details point to a redesigned CPU architecture that drops the traditional big core cluster in favor of a three-cluster layout, along with clock speeds that push the prime core past the 4 GHz mark.
The information comes from analysis of Mi Code, the repository that often reveals early references to upcoming Xiaomi hardware and software features.
According to the leak reported by XimiTime on April 28, the XRING O3 adopts a streamlined Prime + Titanium + Little core configuration, moving away from the four-cluster approach used in the XRING O1.
The previous generation included a distinct big core tier running around 1.89 GHz, which has now been removed entirely.
Clock speeds listed in the code show the prime core reaching 4.05 GHz, up from 3.89 GHz on the O1. The titanium cores are clocked at 3.42 GHz, while the little cores hit 3.02 GHz. This marks a notable lift for the efficiency-oriented cores, which previously topped out much lower in the O1.
The GPU clock has also increased to nearly 1.5 GHz from 1.2 GHz in the first-generation chip, suggesting gains in graphics performance.
Xiaomi has not issued an official statement or press release confirming these specifications as of April 29. The details remain based on code references and are subject to change before any formal announcement.
Earlier leaks around the original Xring chipset in 2025 described more modest clocks on a 4nm process, but the O1 ultimately launched on TSMC's second-generation 3nm node with a 10-core CPU that included dual Cortex-X925 cores at up to 3.9 GHz.
The XRING O3 appears tied to Xiaomi's upcoming foldable device, internally referenced with model number 2608BPX34C and codename related to "Lhasa" or Q18.
Reports link the processor to what may launch as the Xiaomi Mix Fold 5 or Xiaomi 17 Fold, potentially in the second half of 2026. Xiaomi has stated plans to release a new version of its Xring chipset annually and to expand use of in-house silicon beyond initial China-focused devices.
The shift to a three-cluster design could allow Xiaomi to optimize for a balance of peak performance and sustained efficiency, especially in devices like foldables that face thermal and power constraints from their form factor.
Higher clocks across all core types, including the little cores now running at speeds once reserved for mid-tier performance cores, indicate a focus on lifting minimum performance floors rather than relying solely on a single high-power prime core.
Xiaomi introduced the XRING O1 in 2025 with the Xiaomi 15S Pro and Xiaomi Pad 7 Ultra. That chip featured 19 billion transistors on a 3nm process and delivered competitive benchmark results against Snapdragon and Dimensity flagships of the time. The company has described its in-house efforts as a way to gain greater control over performance, power consumption, and system-level integration with HyperOS.
No official statements from Xiaomi executives on the O3 have appeared yet. The code-level findings provide the clearest available look at the direction the silicon team is taking for the next iteration.
This latest leak arrives as Xiaomi continues to invest in its custom chipset roadmap, with the O3 positioned as a successor that refines the architecture introduced with the O1.
Exact core counts, manufacturing process node for the O3, and full benchmark expectations have not been disclosed in the current references.
