r7g.4xlarge vs r7g.8xlarge
Side-by-side specs and pricing. On raw On-Demand list price, r7g.4xlarge is the cheaper of the two ($0.8568/hr vs$1.71/hr) — but check the effective committed rate below before deciding, since Savings Plan and Reserved discounts differ by family.
| Attribute | r7g.4xlarge | r7g.8xlarge |
|---|---|---|
| vCPU | 16 | 32 |
| Memory | 128 GiB | 256 GiB |
| Architecture | arm64 | arm64 |
| Processor | AWS Graviton3 Processor | AWS Graviton3 Processor |
| Network | Up to 15 Gigabit | 15 Gigabit |
| On-Demand $/hr | $0.8568 | $1.71 |
| On-Demand monthly | $625.46 | $1,250.93 |
| Max saving (commit) | −61% | −61% |
| Lowest effective $/hr | $0.3383 | $0.6765 |
| Spot (indicative) | $0.3342 | $0.5141 |
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.4xlarge pricing → · r7g.8xlarge pricing →