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Tom’s Hardware
Tom’s Hardware
Technology
Hassam Nasir

Huawei unveils new Atlas 350 AI accelerator with 1.56 PFLOPS of FP4 compute and up to 112GB of HBM — claims 2.8x more performance than Nvidia's H20

Huawei Nvidia United States Ascend Memory
Huawei Atlas 350 launch.

China's mission to become entirely self-reliant in the field of artificial intelligence has reached a new milestone. Announced at the Huawei China Partner Conference 2026 in Shenzhen, the company has just unveiled its latest AI accelerator: the Atlas 350. This new NPU is based on an in-house Ascend 950PR chip, representing a significant upgrade over the last-gen Ascend 910-class silicon.

Huawei is marketing the Atlas 350 as a high-efficiency workhorse designed for the prefill stage (inference) of AI deployment. As such, it delivers 1.56 PFLOPS of FP4 throughput, which Huawei claims is 2.87 times higher than Nvidia's China-only H20. That number can't be verified because Hopper-era cards don't support FP4 natively, while the Atlas 350 is the first homegrown Chinese accelerator to be optimized for FP4 precision.

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