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-optimizedr8a.4xlarge | memory-optimizedr8a.12xlarge | |
|---|---|---|
| Compute | ||
| vCPUs | 16 | 48 |
| Memory | 128 GB | 384 GB |
| Memory per vCPU | 8.00 GB | 8.00 GB |
| Architecture | x86_64 | x86_64 |
| Processor | AMD | AMD |
| Family | r8a | r8a |
| Category | memory-optimized | memory-optimized |
| Price in us-east-1 | ||
| On-demand | $1.278$933.00/mo | $3.834$2799.00/mo |
| Spot | $0.458$334.63/mo | $1.080$788.55/mo |
| Reserved 1-year | — | — |
| Reserved 3-year | — | — |
| Spot savings | 64% | 72% |
| Cost efficiency in us-east-1 | ||
| $ / vCPU / hr | $0.0799 | $0.0799 |
| $ / GB RAM / hr | $0.0100 | $0.0100 |
| Availability | ||
| Regions | 8 | 8 |
| Cheapest region | us-east-1 · $1.278 | us-east-1 · $3.834 |
| Cheapest spot region | eu-south-2 · $0.143 | eu-south-2 · $0.438 |
| Price snapshot | 2026-09-22 | 2026-09-22 |