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.8xlarge | memory-optimizedr8i.12xlarge | |
|---|---|---|
| Compute | ||
| vCPUs | 32 | 48 |
| Memory | 256 GB | 384 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 | $2.223$1622.59/mo | $3.334$2433.88/mo |
| Spot | $0.703$513.41/mo | $0.892$650.94/mo |
| Reserved 1-year | — | — |
| Reserved 3-year | — | — |
| Spot savings | 68% | 73% |
| 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 · $2.223 | us-east-1 · $3.334 |
| Cheapest spot region | ap-south-2 · $0.229 | ap-south-2 · $0.344 |
| Price snapshot | 2026-09-28 | 2026-09-28 |