IBM’s next-gen mainframe chip is the first to run Arm and Z workloads on the same cores

VentureBeat
Aug 24, 2026, 7:00 am112 pts
IBM is announcing today at the annual Hot Chips conference what may be the most consequential change to mainframe architecture in decades: a processor whose cores can natively execute both IBM's own instruction set and Arm's — switching between the two in nanoseconds. The chip, which will power the next…

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