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-optimizedx8g.4xlarge | memory-optimizedx8g.12xlarge | |
|---|---|---|
| Compute | ||
| vCPUs | 16 | 48 |
| Memory | 256 GB | 768 GB |
| Memory per vCPU | 16.00 GB | 16.00 GB |
| Architecture | arm64 | arm64 |
| Processor | AWS | AWS |
| Family | x8g | x8g |
| Category | memory-optimized | memory-optimized |
| Price in us-east-1 | ||
| On-demand | $1.563$1141.14/mo | $4.690$3423.41/mo |
| Spot | $0.555$405.15/mo | $1.509$1101.57/mo |
| Reserved 1-year | $1.10130% off on-demand | $3.30230% off on-demand |
| Reserved 3-year | $0.59362% off on-demand | $1.78062% off on-demand |
| Spot savings | 64% | 68% |
| Cost efficiency in us-east-1 | ||
| $ / vCPU / hr | $0.0977 | $0.0977 |
| $ / GB RAM / hr | $0.0061 | $0.0061 |
| Availability | ||
| Regions | 7 | 7 |
| Cheapest region | us-east-1 · $1.563 | us-east-1 · $4.690 |
| Cheapest spot region | eu-north-1 · $0.178 | eu-north-1 · $0.534 |
| Price snapshot | 2026-08-14 | 2026-08-14 |