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-optimizedr8i.12xlarge | memory-optimizedr8i.4xlarge | |
|---|---|---|
| Compute | ||
| vCPUs | 48 | 16 |
| Memory | 384 GB | 128 GB |
| Memory per vCPU | 8.00 GB | 8.00 GB |
| Architecture | x86_64 | x86_64 |
| Processor | Intel | Intel |
| Family | r8i | r8i |
| Category | memory-optimized | memory-optimized |
| Price in us-east-1 | ||
| On-demand | $3.334$2433.88/mo | $1.111$811.29/mo |
| Spot | $0.892$650.94/mo | $0.322$234.91/mo |
| Reserved 1-year | — | — |
| Reserved 3-year | — | — |
| Spot savings | 73% | 71% |
| Cost efficiency in us-east-1 | ||
| $ / vCPU / hr | $0.0695 | $0.0695 |
| $ / GB RAM / hr | $0.0087 | $0.0087 |
| Availability | ||
| Regions | 25 | 25 |
| Cheapest region | us-east-1 · $3.334 | us-east-1 · $1.111 |
| Cheapest spot region | ap-south-2 · $0.344 | ap-south-2 · $0.115 |
| Price snapshot | 2026-09-28 | 2026-09-28 |