IBM detailed its Power11 CPU at Hot Chips 2025, bringing 2.5D Stacking, higher clock speeds, and memory with AI acceleration.

IBM Brings AI Acceleration, Enhanced 7nm Cores, Higher Clocks & Swifter Memory Support To Power11 Server CPUs

IBM has already launched the Power11 CPU architecture, which is based on a powerful core architecture with a big, wide SIMD engine, and also focuses on end-to-end data bandwidth to feed that. Power 10 is based on Samsung's early 7nm process technology, but with Power11, instead of moving towards 5nm, IBM used an enhanced 7nm process node based on the requirements of their clients, who preferred more speed over density.

The company also expanded its partnership with Samsung by not only leveraging the process technology but also utilizing their packaging

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