Pick up to four instance types from one cloud and compare their specs, pricing, and cost efficiency in a single region. Looking for instances by vCPU or memory range instead? Browse by spec.
| memory-optimizedr8ib.12xlarge | memory-optimizedr8ib.8xlarge | |
|---|---|---|
| Compute | ||
| vCPUs | 48 | 32 |
| Memory | 384 GB | 256 GB |
| Memory per vCPU | 8.00 GB | 8.00 GB |
| Architecture | x86_64 | x86_64 |
| Processor | Intel | Intel |
| Family | r8ib | r8ib |
| Category | memory-optimized | memory-optimized |
| Price in us-east-1 | ||
| On-demand | $5.021$3665.18/mo | $3.347$2443.46/mo |
| Spot | $1.688$1232.09/mo | $1.229$896.95/mo |
| Reserved 1-year | — | — |
| Reserved 3-year | — | — |
| Spot savings | 66% | 63% |
| Cost efficiency in us-east-1 | ||
| $ / vCPU / hr | $0.1046 | $0.1046 |
| $ / GB RAM / hr | $0.0131 | $0.0131 |
| Availability | ||
| Regions | 7 | 7 |
| Cheapest region | us-east-1 · $5.021 | us-east-1 · $3.347 |
| Cheapest spot region | eu-west-1 · $1.511 | eu-south-2 · $0.569 |
| Price snapshot | 2026-08-14 | 2026-08-14 |