G2 Vendor Directory

IBM AIX vs. IBM i

A side-by-side comparison based on G2 review data.

MetricIBM AIX

by IBM

IBM i

by IBM

Overall rating4.44.4
Review count7072
Ease of use8.78.8
Ease of setup8.78.7
Quality of support9.38.6
Meets requirements9.19.1
NPS56.71641859.701493
Small Business14.7%20.6%
Mid-Market26.5%45.6%
Enterprise58.8%33.8%
Total page views289385
Total LLM citations291450

IBM AIX

IBM AIX is a robust and secure UNIX operating system designed for IBM Power Systems, offering a scalable and cost-effective platform for mission-critical workloads in regulated environments. With a history dating back to 1986, AIX has evolved to provide 99.9999% uptime, hybrid cloud integration, and AI-ready performance, enabling organizations to modernize infrastructure, reduce risk, and streamline operations.

Pros

  • Security/Safety
  • Stability
  • Speed/Performance
  • Reliability
  • Long-Term Support
  • New Features

IBM i

IBM i is a fully integrated operating system designed for IBM Power servers, combining database, middleware, security, runtime, and hypervisor into a single, cohesive solution. This integration simplifies system management, reduces total cost of ownership (TCO), and enhances operational efficiency. IBM i supports a wide range of business applications and offers flexible deployment options, including on-premises, private cloud, and public cloud environments.

Pros

  • Reliability
  • Security/Safety
  • Security Features
  • Stability
  • Powerful Features
  • Ease of Use