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-optimizedx8i.12xlarge | memory-optimizedx8i.4xlarge | |
|---|---|---|
| Compute | ||
| vCPUs | 48 | 16 |
| Memory | 768 GB | 256 GB |
| Memory per vCPU | 16.00 GB | 16.00 GB |
| Architecture | x86_64 | x86_64 |
| Processor | Intel | Intel |
| Family | x8i | x8i |
| Category | memory-optimized | memory-optimized |
| Price in us-east-1 | ||
| On-demand | $5.252$3833.90/mo | $1.751$1277.97/mo |
| Spot | $1.370$1000.25/mo | $0.362$264.63/mo |
| Reserved 1-year | — | — |
| Reserved 3-year | — | — |
| Spot savings | 74% | 79% |
| Cost efficiency in us-east-1 | ||
| $ / vCPU / hr | $0.1094 | $0.1094 |
| $ / GB RAM / hr | $0.0068 | $0.0068 |
| Availability | ||
| Regions | 16 | 16 |
| Cheapest region | us-east-1 · $5.252 | us-east-1 · $1.751 |
| Cheapest spot region | eu-north-1 · $0.599 | eu-north-1 · $0.200 |
| Price snapshot | 2026-10-01 | 2026-10-01 |