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IBM Dual-ISA Mainframe Processor (Arm + z/Architecture)
IBM unveils a next-generation mainframe processor at Hot Chips 2026 that natively executes both z/Architecture and Arm (AArch64) instructions within a single core, stemming from an IBM-Arm collaboration announced in April 2026.
- IBM Unveils First Dual-ISA Processor, Merging Arm and Mainframe Architectures in a Single Core
At Hot Chips 2026, IBM revealed a next-generation mainframe processor that natively executes both z/Architecture and Arm (AArch64) instructions within the same core, the result of an IBM-Arm collaboration announced in April 2026.