China’s Hanyuan-2 Debuts as World’s First Dual-Core Quantum Computer with 200 Qubits

CAS Cold Atom Technology unveils Hanyuan-2, the world's first dual-core quantum computer with 200 qubits and power under 7 kW. No performance benchmarks disclosed.

China's Hanyuan-2 Debuts as World's First Dual-Core Quantum Computer with 200 Qubits

CAS Cold Atom Technology has unveiled the Hanyuan-2, which the company claims is the world's first dual-core quantum computer. The system was announced in China on May 7, 2026.

Dual-core architecture marks a first for quantum processors

The Hanyuan-2 features 200 qubits, built from 100 rubidium-85 and 100 rubidium-87 atoms arranged in two independent neutral atom arrays. The machine is cabinet-sized and has a total power consumption below 7 kilowatts.

Specifications

  • Qubit count: 200
  • Architecture: Dual-core neutral atom
  • Power consumption: Below 7 kW
  • Form factor: Cabinet-sized
CAS Cold Atom Technology Hanyuan-2 dual-core quantum computer cabinet
The Hanyuan-2 quantum computer houses 200 qubits in two neutral atom arrays.

The system is available in China as of the announcement date. Pricing has not been disclosed.

According to Ge Guiguo, a senior expert at CAS Cold Atom Technology, the system represents the first time a quantum processor has moved from single-core to dual-core architecture. The company has not disclosed gate fidelity, coherence time, or error rate metrics, and no peer-reviewed paper has accompanied the announcement.

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