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Latest / Chips, compute and energy

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AMD adds the Instinct MI450X GPU and claims up to 30% more DeepSeek-R1 throughput than Nvidia

See how this story connects

Source: AMDAlso reported by HPCwire

AMD is adding the Instinct MI450X GPU, with 288 GB of HBM4 memory, to its MI400 Series, and gave details of the MI430X for high-performance computing, which has 432 GB of HBM4 and up to 23.3 terabytes per second of memory bandwidth. AMD Performance Labs measured the MI455X at 21,333 tokens per second per GPU on DeepSeek-R1 in an MLPerf Inference Offline configuration in October 2026, which AMD says is up to 30% above Nvidia Vera Rubin NVL72’s published MLPerf Inference v6.1 result.

Why it matters

Customers building AMD Helios racks can choose between the MI450X and the MI455X, both on the same rack-scale architecture and ROCm software, with the MI455X offering more memory for larger models.

When
12 Nov 2026
ID
WTA-N-2026-0886
Who
AMD

Summary written with AI by wheresthe.ai, from AMD and the reporting credited above. Checked against the source on 13 Nov 2026.

Read the original at AMD

Source copy: saved on 13 Nov 2026 to check this story and not republished, because the text belongs to its publisher. Also held by the Internet Archive.

Earlier in this Storyline: What led hereAMD makes 6th Gen EPYC server CPUs generally available

Cite this story

WTA-N-2026-0886: “AMD adds the Instinct MI450X GPU and claims up to 30% more DeepSeek-R1 throughput than Nvidia.” wheresthe.ai, 12 Nov 2026. https://wheresthe.ai/d/intl-amd-adds-the-instinct-mi450x-gpu-and-claims-up-to-30-mo-2026-11/ (source: AMD).

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