# AMD takes the wraps off its Instinct MI455X AI accelerator — CDNA 5 and Helios rack-scale architecture combine to take the fight to Nvidia in the data center

> At AMD’s Advancing AI event this week, the company revealed more details of its upcoming MI455X GPU and the Helios rack-scale architecture that will join 72 of those GPUs into a coherent accelerator—the largest such…

- **Source:** [Tom's Hardware](https://www.tomshardware.com/pc-components/gpus/amd-takes-the-wraps-off-its-instinct-mi455x-ai-accelerator-cdna-5-and-helios-rack-scale-architecture-combine-to-take-the-fight-to-nvidia-in-the-data-center?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=6a625ae609947d64cbb6ef79)
- **Published:** 2026-07-23
- **Category:** Gaming
- **Tags:** #nvidia #amd #ai
- **Canonical:** http://localhost:4321/a/6a625ae609947d64cbb6ef79

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