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-optimizedr6i.12xlarge | memory-optimizedr6i.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 | r6i | r6i |
| Category | memory-optimized | memory-optimized |
| Price in us-east-1 | ||
| On-demand | $3.024$2207.52/mo | $1.008$735.84/mo |
| Spot | $1.038$757.81/mo | $0.369$269.08/mo |
| Reserved 1-year | $2.08631% off on-demand | $0.69531% off on-demand |
| Reserved 3-year | $1.46052% off on-demand | $0.48752% off on-demand |
| Spot savings | 66% | 63% |
| Cost efficiency in us-east-1 | ||
| $ / vCPU / hr | $0.0630 | $0.0630 |
| $ / GB RAM / hr | $0.0079 | $0.0079 |
| Availability | ||
| Regions | 29 | 29 |
| Cheapest region | us-east-1 · $3.024 | us-east-1 · $1.008 |
| Cheapest spot region | eu-north-1 · $0.466 | ca-west-1 · $0.139 |
| Price snapshot | 2026-08-14 | 2026-08-14 |