China's 504-qubit quantum computer chip marks a new domestic record — will be globally available via the cloud

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A Chinese group led by China Telecom Quantum Computing Group has unveiled Xiaohong-504, a 504-qubit quantum computing chip, and Tianyan-504 superconducting quantum computer. The achievement can be considered a groundbreaking milestone in China, reports Interesting Engineering.

The heart of the Tianyan-504 is Xiaohong, a superconducting chip with 504 qubits, which is a record for China. The report says that Xiaohong's performance metrics, such as qubit lifetime, gate fidelity, and quantum circuit depth, are designed to rival international platforms like those offered by IBM. However, the primary focus of the processor and the quantum computer is on advancing the infrastructure for large-scale quantum systems rather than solely pursuing computing performance or quantum supremacy.

China is unique in achieving quantum computational breakthroughs using both photonic and superconducting technologies, the report says. Two major accomplishments in this area include the development of Jiuzhang 2.0, which uses 113 detected photons, and Zuchongzhi 2.1, featuring 66 qubits. These advancements highlight the nation’s ability to innovate across multiple quantum domains.

Anton Shilov
Contributing Writer

Anton Shilov is a contributing writer at Tom’s Hardware. Over the past couple of decades, he has covered everything from CPUs and GPUs to supercomputers and from modern process technologies and latest fab tools to high-tech industry trends.

  • cirdecus
    Smart, focus on real world uses than theoretical achievements. Especially given the chip war with the US. If you can leap passed traditional binary computing, not only would you be the compute dominant player, but you would care less about ASML or TSMC.
    Reply
  • Pierce2623
    100 qubits to 500 qubits in one day. The 1500 qubits to crack BTC shouldn’t be too far away at this rate.
    Reply
  • doomtomb
    Oh really, the day after the 'Willow' chip announcement. How convenient. You'd have to be pretty naive to believe this.
    Reply
  • williamcll
    Xiao hong shuhttps://www.youtube.com/s/gaming/emoji/7ff574f2/emoji_u1f5e3.pnghttps://www.youtube.com/s/gaming/emoji/7ff574f2/emoji_u1f525.pnghttps://www.youtube.com/s/gaming/emoji/7ff574f2/emoji_u1f525.pnghttps://www.youtube.com/s/gaming/emoji/7ff574f2/emoji_u1f525.png
    Reply
  • tisOddOne
    doomtomb said:
    Oh really, the day after the 'Willow' chip announcement. How convenient. You'd have to be pretty naive to believe this.
    It was actually announced a week ago
    Reply