Tianshu Zhixin's Tianjie 300 matches H200 with 1.05x throughput in real-device tests

On October 28, 2026, Iluvatar CoreX held its 2026 media open day in Shanghai and publicly demonstrated the Tiangan 300 general-purpose GPU running on real hardware for the first time. The company described Tiangan 300 as China's first general-purpose GPU whose measured performance reaches the level of NVIDIA's H200, citing third-party testing that puts single-card aggregate throughput at 1.05x that of H200. IT Home noted, however, that the specific test methodology, model loads and workload conditions had not been disclosed. Until this event, most public information on the product had been limited to architecture and roadmap details rather than live operation.

The open day also showcased the companion IXL144 super-node solution, which had appeared earlier at the China International Industrial Fair. The design packs 144 GPUs and 18 CPUs into a single cabinet with roughly 10.1TB of aggregate memory capacity, which Iluvatar CoreX called the highest-density single-cabinet GPU super-node in the industry. Based on the company's own calculations, the solution can reduce cost per 1M effective tokens by 40% compared with mainstream international alternatives. A separate advance disclosed at the event was that China's first AFD-split deployment combining GPUs with XPUs completed a successful run, cutting inference latency by 60%. In this context, AFD splitting generally refers to partitioning computation stages such as attention and feed-forward networks across heterogeneous compute units.

On October 30, Leiphone reported more detail on the testing. Iluvatar CoreX stated that in a third-party test completed this year, under a typical PD-split deployment, Tiangan 300's single-card end-to-end throughput reached 1.05x that of H200. Leiphone observed that competition among domestic GPUs is shifting toward system efficiency, software adaptation and actual delivery, and noted that the software stack now incorporates Agent and Skills to address the engineering challenges customers face in deployment, adaptation and optimization. The report also mentioned that Iluvatar CoreX is broadening its lineup from the cloud-oriented Tiangan 300 to the edge-focused Tongyang series. As of this point, the public disclosures stand at measured performance figures and companion system designs, with full test conditions still unreleased.