Fujitsu’s Monaka Arm Data Center CPU targets sovereign AI at Hot Chips 2026
Fujitsu’s Monaka, successor to the A64FX, is an Arm-based chiplet CPU aimed at data centers and “sovereign AI.” It targets up to 144 cores using 3D stacked chiplets, Armv9.3-A design, and 12 DDR5 channels. Built on TSMC N2P, it focuses on data-center power efficiency by reducing voltage and masking unused wide SIMD.