Nvidia's China Sales Plummet as Domestic Chip Alternatives Fail to Deliver

China's Cyberspace Administration (CAC) issued guidance in mid-September 2025, barring major tech firms from purchasing Nvidia AI chips. The move is part of Beijing's push for technological self-reliance and reducing reliance on foreign technology.

The ban has proven difficult to enforce, with companies like ByteDance and Alibaba struggling to find domestic alternatives that meet their needs. Huawei's Ascend chip series is the most prominent contender, but it lags behind Nvidia's hardware in terms of raw performance and software maturity.

Nvidia's dominance in AI workloads can be attributed to its CUDA programming framework, which has been built up over nearly two decades with thousands of optimized libraries, tools, and developer integrations. Replacing a chip is one thing, but replacing the entire scaffolding of code that runs on it is a much more significant challenge.

Some firms are exploring workarounds by optimizing inference workloads to run efficiently on lower-powered or mid-range local hardware. Companies like DeepSeek, Baidu, and Alibaba are adapting their operations to what is available domestically.