r8id.xlarge

Analysis

The r8id.xlarge is a memory optimized instance in the r8id series with 4 vCPUs and 32 GiB of memory on Intel Xeon Scalable (Granite Rapids) (up to 3.9 GHz), which makes it memory-heavy at 8 GiB of memory per vCPU.

Within the same generation and size, the r8g.xlarge on AWS Graviton4 costs $0.2356/hour, 29% less ($70.81 a month), though switching means rebuilding software for arm64. The other variants are the r8i-flex.xlarge at $0.2639, the r8i.xlarge at $0.2778 and the r8gd.xlarge at $0.2939.

Running it in N. Virginia instead of Tokyo saves $50.59 a month per instance: $0.3326/hour against $0.4019/hour, a 21% spread. It is not offered in São Paulo and Singapore, so plan around that if you need a presence there.

It has local instance storage (1 x 237 GB NVMe SSD), which is fast but lost when the instance stops. Network: Up to 12500 Megabit.

On demand it costs $0.3326/hour in US East (N. Virginia), $243 a month if left running, which puts it mid-table for memory optimized types at the 54th percentile per vCPU ($0.0832 per vCPU-hour) and the 71st percentile per GiB ($0.0104 per GiB-hour).

Looking beyond its own line, 25 of 45 current types with 4 vCPUs and similar memory are cheaper. The cheapest of those is the r6g.xlarge on AWS Graviton2 at $0.2016/hour.