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Fujitsu flaunts massive 144-core Monaka Arm chip — 2nm and 5nm chiplets, 3D-stacked CPU cores over memory
Fujitsu shows off a mechanical sample of Monaka.
Fujitsu's Monaka is a huge CoWoS system-in-package (SiP) that has four 36-core compute chiplets made on TSMC's N2 process technology housing 144 Armv9-based cores with enhancements that are stacked on top of SRAM tiles in a face-to-face (F2F) manner using hybrid copper bonding (HCB). The compute and cache stacks are accompanied by a relatively colossal I/O die that integrates a memory controller, PCIe 6.0 lanes with CXL 3.0 on top to connect accelerators and extenders, and other interfaces that one comes to expect from a datacenter-grade CPU. Monaka will incorporate advanced security features, including Armv9-A's Confidential Computing Architecture (CCA), offering enhanced workload isolation and robust protection.
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