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Xiaomi reveals 64-bit Surge S1 chipset, its first-ever SoC

June 18, 2025

Xiaomihas announced the Surge S1, the company’s first ever processor, at an event in China. The company has been working on the chip for the past 28 months withPinecone, a subsidiary Xiaomi launched to research and develop the processor, and it will launch with the upcoming Xiaomi Mi 5c (release date still to be confirmed). Find out all of the details below.

The Surge S1 is an octa-core SoC with four high-performance ARM Cortex A53 cores running at 2.2 GHz and four power-efficient ARM Cortex A53 at 1.4 GHz. These are optimized with ARM’sbig.LITTLE processing techto help deliver “peak-performance capacity, higher sustained performance, and increased parallel processing performance, at significantly lower average power.”

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The Surge S1 uses TSMC’s 28nm HPc process technology, and implements a Mali T860 GPU (said to be 40% more power efficient than the previous-gen Mali-T760), and a 32-bit DSP, supporting VoLTE and 16 kHz sampling.

Xiaomi is also touting the benefits of the chip’s image signal processor (ISP) which it developed in-house. The 14-bit dual ISP is said to provide superior light sensitivity by up to 150 and a “dual noise reduction algorithm” to help produce better photos in low light.

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Here are some of the Surge S1’s finer details as outlined by Xiaomi:

Xiaomi has become the fourth smartphone manufacturer in the world to build its own chips after Samsung, Apple and HUAWEI — currently the three largest global OEMs. This is a big step for the Chinese manufacturer and will have been a huge investment in resources for R&D, production, infrastructure etc.

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Indeed, it will have been costly, but it stands to reduce expenditure going forward (Xiaomi no longer has to pay Qualcomm and MediaTek for their chips) and, crucially, allows Xiaomi to pursue a more holistic approach to its smartphone design and hardware integration. Xiaomi is now in the driving the seat as far as its chip development is concerned and it stands to help the company achieve higher-quality and more technically consistent products.

What are your thoughts on Xiaomi’s new chip? Let us know in the comments.

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