Fujitsu is planning the most powerful CPU ever for its supercomputer — launching in 2027, 288-core Monaka abandons HBM, will use PCIe 6.0 and 2nm process but will it be enough to fend off x86?

Fujitsu is preparing to introduce a new data center processor in 2027. Called Monaka, the 288-core chip (144 cores x two sockets), will be based on Armv9-A architecture and turn its back on High Bandwidth Memory in favor of PCIe 6.0 (CXL3.0).

The chip will use 3D many-core architecture for more cores, lower latency, and high throughput. This architecture uses a 2nm process for the core die, offering high performance and lower power consumption, and a 5nm SRAM die for all the last level cache, tightly coupled with the core die via Through-Silicon Via (TSV) technology. It will have 12-channel DDR5 memory and be air-cooled.