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IBM is building a dual-architecture mainframe chip that will run Arm and Z software on the same cores

Published

25 August 2026

Topic

technology

Sectors

Deep Tech: Telecom & Connectivity

Geography

United States

Source

Read at techspot.com

Verified

Fusion42 · 25 August 2026 · Fusion42 review

IBM is developing a mainframe chip with dual architecture that runs Arm and IBM Z software concurrently on the same cores, targeting legacy transaction processing alongside modern Linux, cloud, and AI applications. The chip features high clock speeds, large cache, and specialized accelerators aimed at enhancing mainframe capabilities for diverse workloads, with arrival expected in 2028.

This Wire brief sits within Fusion42's coverage of Deep Tech: Telecom & Connectivity, and 5 sources have reported it between 24 Aug 2026 and 25 Aug 2026.

◆ The Wire takeaway

IBM's dual-architecture chip opens a new option for you to consolidate legacy mainframe and modern AI workloads on one system. You can now plan for running Arm-based cloud-native apps alongside traditional transaction processing without complex emulation.

Coverage

5 sources · first reported 24 Aug 2026 · latest 25 Aug 2026

Related on Wire

Topics

Deep Tech: Telecom & Connectivityibmmainframearm-architecturecloud-nativeai-inferenceprocessor