m8i.48xlarge

Analysis

The m8i.48xlarge is a general purpose instance in the m8i series with 192 vCPUs and 768 GiB of memory on Intel Xeon Scalable (Granite Rapids) (up to 3.9 GHz), which makes it balanced at 4 GiB of memory per vCPU.

Within the same generation and size, the m8g.48xlarge on AWS Graviton4 costs $8.62/hour, 15% less ($1,127 a month), though switching means rebuilding software for arm64. The other variants are the m8gd.48xlarge at $11.07, the m8a.48xlarge at $11.69 and the m8id.48xlarge at $12.53.

Running it in N. Virginia instead of São Paulo saves $4,404 a month per instance: $10.16/hour against $16.19/hour, a 59% spread.

On demand it costs $10.16/hour in US East (N. Virginia), $7,417 a month if left running, which puts it mid-table for general purpose types at the 44th percentile per vCPU ($0.0529 per vCPU-hour) and the 44th percentile per GiB ($0.0132 per GiB-hour).

Compared with the previous generation, it costs 5.0% more than the m7i.48xlarge on Intel Xeon Scalable (Sapphire Rapids) ($353 more a month per instance), in exchange for the newer processor.

Looking beyond its own line, 6 of 18 current types with 192 vCPUs and similar memory are cheaper. The cheapest of those is the hpc7a.96xlarge on AMD EPYC 9R14 at $7.20/hour.