Xiaomi and CXMT say the Xiaomi 18 Fold smartphone will debut CXMT's LPDDR6 DRAM chips, alongside Xiaomi's in-house 3nm Xring O3 SoC, launching in September
China's top memory chipmaker, CXMT (688825.SS), will supply its latest LPDDR6 DRAM chips for Xiaomi's upcoming flagship folding phone, the companies said on Saturday.
Context & Ripple Effects
Xiaomi’s chip push began with the first self-developed XringO1 mobile chip in 2025 and accelerated with the 3nm Xring O3 launch in August 2026, which the company positioned as a way to reduce reliance on Qualcomm and MediaTek.
CXMT had been reported to be preparing limited LPDDR6 smartphone-memory output as it sought to compete with Micron, SK Hynix and Samsung. The 18 Fold gives that effort a named flagship design win alongside Xiaomi’s own processor.
First-order effects
- CXMT gains a commercial flagship socket for its LPDDR6 DRAM when Xiaomi launches the 18 Fold in September.
- Xiaomi will use its Xring O3 in another high-end handset, displacing Qualcomm or MediaTek silicon from that device’s processor slot.
Second-order effects
- A Xiaomi flagship provides CXMT with a device-level reference point as it pursues smartphone-memory business against Micron, SK Hynix and Samsung.
- Qualcomm and MediaTek face a more concrete Xiaomi in-house alternative in premium mobile devices, rather than only the company’s stated ambition to reduce dependence on outside suppliers.
Third-order effects
- If Xiaomi extends the pairing of Xring processors and CXMT memory beyond the 18 Fold, component selection in its premium devices shifts toward a more vertically coordinated domestic supply chain.
- The design win separates mobile DRAM competition from the broader memory market: smartphone qualification and flagship adoption become distinct tests of CXMT’s position.
The trend: China’s handset supply chain is moving from isolated domestic chips toward validated multi-component platforms in flagship devices.