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Technical articles on IBM Power 11 benchmarks, licensing, virtualization, AI acceleration, security, and migration planning.

CPW and rPerf Explained: How to Actually Compare Power 11 Processor Options

CPW and rPerf are IBM's relative-performance benchmarks for IBM i and AIX/Linux respectively. Here is how to read them correctly when comparing Power 11 feature codes.

Updated July 24, 2026

HMC v11 Requirements for Power 11: What Changed From 7063-CR1

Every Power11 server requires HMC v11 on either the 7063-CR2 hardware appliance or IBM's vHMC software appliance. The prior 7063-CR1 is not supported.

Updated July 24, 2026

IBM i Licensing and Software Tiers on Power 11: P05, P10, P20, P30 Explained

IBM i software cost on Power 11 is set by the processor feature code's software tier, not the model name. Here is how P05 through P30 map across every current model.

Updated July 24, 2026

Power 11's On-Chip AI Acceleration: What Matrix Math Acceleration Actually Does

Power 11 builds Matrix Math Acceleration directly into every processor core. Here is what that means for AI inferencing workloads running alongside IBM i, AIX, or Linux.

Updated July 24, 2026

PowerVM and VIOS on Power 11: What You Need to Know Before Migrating

PowerVM and VIOS underlie every Power 11 partitioning design. Here is what changed, what stayed the same, and what to check before migrating existing partitions.

Updated July 24, 2026

Security and Cyber Resilience on Power 11: What's Built In

IBM positions Power11 around 99.9999% availability and built-in cyber resilience. Here is what that means in practice, per IBM's own published Redbook guidance.

Updated July 24, 2026