US export controls have cut Nvidia's share of China's AI chip market to 34 percent, according to a report from bloomingbit, with Huawei absorbing much of the ground the American supplier lost.

The figure marks a sharp departure from Nvidia's former dominance of the Chinese accelerator market. Before Washington tightened its licensing regime, Nvidia sold the overwhelming majority of high-end AI processors shipped into China. The 34 percent reading quantifies, for the first time in a single number, how much of that business the restrictions have taken away.

Who gains when Washington tightens the screws?

Huawei is the principal beneficiary. The report names the Shenzhen company as the vendor gaining ground as Nvidia retreats, a shift with consequences beyond market statistics. Chinese cloud operators and AI developers, denied easy access to Nvidia's flagship data-center parts, are turning to a domestic supplier that Washington cannot restrict.

The substitution is not perfectly symmetrical. Nvidia's top-end accelerators remain performance leaders, and Huawei's alternatives have historically trailed on both raw throughput and the maturity of the surrounding software stack. But a chip you can buy beats a chip you cannot. For many Chinese customers, that arithmetic now settles the purchasing decision.

What does this mean for Nvidia's revenue?

China was once a multi-billion-dollar market for Nvidia's data-center segment. The 34 percent share implies that most of that demand now flows elsewhere — partly to Huawei, partly to gray-market imports of restricted parts, and partly to in-house silicon designed by Chinese cloud giants themselves.

Nvidia has responded in the past by crafting China-specific parts that satisfy the performance ceilings Washington sets. Those products have met regulator resistance at each iteration, and the latest share number suggests the workaround strategy has reached its limit. A company accustomed to selling its best silicon everywhere now sells a diminished portfolio into its second-largest historical market.

Is this a market shift or a policy outcome?

It is both, and the policy came first. The export-control regime did not merely dent Nvidia's competitive position; it created the opening Huawei now occupies. Commercial performance, in this market, is no longer decided solely by price, performance and supply. A licensing decision in Washington can reassign billions in revenue faster than any product cycle.

That dynamic cuts in several directions. Huawei gains a protected home market in which to fund development it would otherwise have to win on merit. Nvidia loses volume and, with it, some of the scale advantage that funds its next generation. And US policymakers accept a domestic cost in exchange for denying China access to leading-edge AI hardware — a trade whose success the 34 percent figure will help judge.

What happens next?

The number will move with policy. Tighter enforcement pushes Nvidia's share lower and accelerates Huawei's domestic entrenchment; any relaxation reverses both. Watch the next licensing round in Washington and Huawei's shipment cadence in China. Those two decisions, more than any product launch, will set Nvidia's ceiling in the market it once owned.

By Nathan Brooks, Chip Dispatch.