Most people still use GP2 as the default EBS volume type in launch templates and infrastructure modules. Not because it is optimal today, but because it has been there for years. In most production audits I review, oversized GP2 volumes are one of the easiest cost optimizations left untouched. GP2

Why This Comparison Still Matters In many AWS accounts we still see T2 instances running production workloads. Most of the time, this isn’t by choice. It’s usually inheritance — old templates, old AMIs, or “this is what we launched years ago”. The issue here is: you are likely paying