AMD Previews Instinct MI400 Series & Helios AI Rack

Written by Michael Larabel in AMD on 12 June 2025 at 02:29 PM EDT. 6 Comments
AMD
On top of announcing today the AMD Instinct MI350 series, ROCm 7.0, and introducing the AMD Developer Cloud, AMD also teased the next-generation Instinct MI400 / Instinct MI450 series coming in 2026.

AMD MI400 series


As part of the Instinct MI400 series, AMD will also be shipping the "Helios" AI rack to compete with NVIDIA's Vera Rubin racks.

AMD Helios AI rack specs


AMD Helios is expected to achieve 1.4 PB/s of memory bandwidth, 43 TB/s of scale out bandwidth, 31 TB of HBM4 memory, and 2.9 ExaFLOPS of FP4 compute.

AMD Instinct MI400 specs


The AMD Instinct MI400 GPUs are expected to have 432GB of HBM4 memory, 40 PFlops for FP4 and 20 PFlops of FP8, and 19.6TB/s of memory bandwidth.

AMD 2026 compute


AMD Instinct MI400 / MI450 series is expected in 2026 alongside AMD's next-generation EPYC 9006 "Venice" processors.

Lisa Su also confirmed EPYC Venice will support up to 256 cores, 2.0x CPU to GPU bandwidth, 1.7x gen-vs-gen performance, and 1.6 TB/s memory bandwidth.
6 Comments
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