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-optimizedr5b.16xlarge | memory-optimizedr5b.metal | |
|---|---|---|
| Compute | ||
| vCPUs | 64 | 96 |
| Memory | 512 GB | 768 GB |
| Memory per vCPU | 8.00 GB | 8.00 GB |
| Architecture | x86_64 | x86_64 |
| Processor | Intel | Intel |
| Family | r5b | r5b |
| Category | memory-optimized | memory-optimized |
| Price in us-east-1 | ||
| On-demand | $4.768$3480.64/mo | $7.152$5220.96/mo |
| Spot | $2.188$1597.02/mo | $2.259$1649.00/mo |
| Reserved 1-year | $3.28931% off on-demand | $4.93331% off on-demand |
| Reserved 3-year | $2.05957% off on-demand | $3.08957% off on-demand |
| Spot savings | 54% | 68% |
| Cost efficiency in us-east-1 | ||
| $ / vCPU / hr | $0.0745 | $0.0745 |
| $ / GB RAM / hr | $0.0093 | $0.0093 |
| Availability | ||
| Regions | 14 | 14 |
| Cheapest region | us-east-1 · $4.768 | us-east-1 · $7.152 |
| Cheapest spot region | ca-central-1 · $0.522 | eu-south-1 · $0.840 |
| Price snapshot | 2026-08-14 | 2026-08-14 |