r7g.16xlarge vs r7i.16xlarge
Side-by-side specs and pricing. On raw On-Demand list price, r7g.16xlarge is the cheaper of the two ($3.43/hr vs$4.23/hr) — but check the effective committed rate below before deciding, since Savings Plan and Reserved discounts differ by family.
| Attribute | r7g.16xlarge | r7i.16xlarge |
|---|---|---|
| vCPU | 64 | 64 |
| Memory | 512 GiB | 512 GiB |
| Architecture | arm64 | x86_64 |
| Processor | AWS Graviton3 Processor | Intel Xeon Scalable (Sapphire Rapids) |
| Network | 30 Gigabit | 25 Gigabit |
| On-Demand $/hr | $3.43 | $4.23 |
| On-Demand monthly | $2,501.86 | $3,090.53 |
| Max saving (commit) | −61% | −61% |
| Lowest effective $/hr | $1.35 | $1.67 |
| Spot (indicative) | $0.8911 | $0.9737 |
List prices, directional. On-Demand, Reserved, and Savings Plan rates are AWS public list prices in USD; effective Savings Plan/RI rates fold in any upfront. Spot is indicative only (derived from the AWS Spot Instance Advisor) — never a firm quote. Always confirm in the AWS console before purchasing. Prices as of 2026-07-01.
Full price matrices: r7g.16xlarge pricing → · r7i.16xlarge pricing →