r7g.2xlarge vs r7g.4xlarge
Side-by-side specs and pricing. On raw On-Demand list price, r7g.2xlarge is the cheaper of the two ($0.4284/hr vs$0.8568/hr) — but check the effective committed rate below before deciding, since Savings Plan and Reserved discounts differ by family.
| Attribute | r7g.2xlarge | r7g.4xlarge |
|---|---|---|
| vCPU | 8 | 16 |
| Memory | 64 GiB | 128 GiB |
| Architecture | arm64 | arm64 |
| Processor | AWS Graviton3 Processor | AWS Graviton3 Processor |
| Network | Up to 15 Gigabit | Up to 15 Gigabit |
| On-Demand $/hr | $0.4284 | $0.8568 |
| On-Demand monthly | $312.73 | $625.46 |
| Max saving (commit) | −61% | −61% |
| Lowest effective $/hr | $0.1691 | $0.3383 |
| Spot (indicative) | $0.1799 | $0.3342 |
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.2xlarge pricing → · r7g.4xlarge pricing →