Amazon EC2 M7i-flex instances offer improved performance and cost-efficiency for general-purpose workloads. Powered by custom 4th generation Intel Xeon processors, these instances provide 20% better price performance at lower costs compared to M6i instances. They support common sizes from large to 8xlarge and are ideal for applications that don't fully utilize compute resources. M7i-flex instances enable seamless migration and running of various workloads including web servers, databases, and enterprise applications.