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-optimizedr8idb.12xlarge | memory-optimizedr8idb.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 | r8idb | r8idb |
| Category | memory-optimized | memory-optimized |
| Price in us-east-1 | ||
| On-demand | $5.627$4107.91/mo | $3.752$2738.61/mo |
| Spot | $2.413$1761.56/mo | $1.707$1245.75/mo |
| Reserved 1-year | — | — |
| Reserved 3-year | — | — |
| Spot savings | 57% | 55% |
| Cost efficiency in us-east-1 | ||
| $ / vCPU / hr | $0.1172 | $0.1172 |
| $ / GB RAM / hr | $0.0147 | $0.0147 |
| Availability | ||
| Regions | 7 | 7 |
| Cheapest region | us-east-1 · $5.627 | us-east-1 · $3.752 |
| Cheapest spot region | eu-west-1 · $1.914 | ap-northeast-1 · $0.742 |
| Price snapshot | 2026-08-14 | 2026-08-14 |