AMD showed off its MI400 architecture at Hot Chips 2026 going into how they made a giant GPU for its Helios racks

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We are taking a deep dive look into AMD's Instinct MI455X accelerator and its CDNA 5 architecture, the backbone of AMD's next-gen AI server offerings and their massive Helios rackscale system

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AMD's Instinct MI455X GPUs extend the company's AI roadmap, bringing leading HBM4 capacities and over 40 PFLOPs of compute for Agentic AI, rivaling NVIDIA's Rubin chip. AMD Has An Answer To NVIDIA's Rubin, It's Called Instinct MI455X & It's An Engineering Marvel For Agentic AI With More HBM4 Than Any Other AI Chip On The Planet The AMD Instinct MI455X is the GPU that will power the Helios AI rack. This GPU is based on the latest CDNA 5 architecture and is made using TSMC's 2nm and 3nm process technologies. The chip packs 320 billion transistors, just 16 billion transistors […]

Read full article at https://wccftech.com/amd-instinct-mi455x-gpu-320b-behemoth-tackle-nvidia-rubin-with-432gb-hbm4-40-pflops-ai/

It's time for AMD's 2026 Advancing AI conference. Join ServeTheHome for our live blog coverage of the AAI keynote, where AMD will announce their latest and greatest hardware and software technologies

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AMD has unveiled its next-generation Helios AI Rack, which aims to become the leading solution for frontier AI and sovereign computing, powered by its MI455X GPUs and 6th Gen EPYC CPUs. AMD's Helios AI Racks Are A Sight To Behold: Combining Next-Generation Instinct GPUs, EPYC CPUs, & Pensando Networking Chips For Large-Scale Inferencing It was last year at Advancing AI 2025 when AMD gave us the first glimpse at its Helios AI rack, a solution designed to meet the growing demands of AI workloads in the Agentic era. After giving us the official unveiling, we got to see the first […]

Read full article at https://wccftech.com/amd-helios-ai-rack-mi455x-6th-gen-epyc-challenging-nvidia/