m9gd.2xlarge

Analysis

The m9gd.2xlarge is a general purpose instance in the m9gd series with 8 vCPUs and 32 GiB of memory on AWS Graviton5 (up to 3.3 GHz), which makes it balanced at 4 GiB of memory per vCPU.

Within the same generation and size, the m9g.2xlarge on AWS Graviton5 costs $0.3914/hour, 22% less ($81.35 a month).

Running it in N. Virginia instead of Tokyo saves $107 a month per instance: $0.5028/hour against $0.6496/hour, a 29% spread. It is not offered in Canada Central, São Paulo, London and Mumbai, so plan around that if you need a presence there.

Compared with the previous generation, it costs 9.0% more than the m8gd.2xlarge on AWS Graviton4 ($30.31 more a month per instance), in exchange for the newer processor.

On demand it costs $0.5028/hour in US East (N. Virginia), $367 a month if left running, which puts it mid-table for general purpose types at the 65th percentile per vCPU ($0.0629 per vCPU-hour) and the 65th percentile per GiB ($0.0157 per GiB-hour).

Looking beyond its own line, 27 of 42 current types with 8 vCPUs and similar memory are cheaper. The cheapest of those is the t4g.2xlarge on AWS Graviton2 at $0.2688/hour. It is burstable, so it only suits workloads that do not run the CPU flat out.