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-optimizedr3.4xlarge | memory-optimizedr3.xlarge | |
|---|---|---|
| Compute | ||
| vCPUs | 16 | 4 |
| Memory | 122 GB | 30.5 GB |
| Memory per vCPU | 7.63 GB | 7.63 GB |
| Architecture | x86_64 | x86_64 |
| Processor | Intel | Intel |
| Family | r3 | r3 |
| Category | memory-optimized | memory-optimized |
| Price in us-east-2 | ||
| On-demand | $1.328$969.44/mo | $0.332$242.36/mo |
| Spot | $0.327$238.78/mo | $0.079$57.38/mo |
| Reserved 1-year | $0.82538% off on-demand | $0.20638% off on-demand |
| Reserved 3-year | $0.64851% off on-demand | $0.16351% off on-demand |
| Spot savings | 75% | 76% |
| Cost efficiency in us-east-2 | ||
| $ / vCPU / hr | $0.0830 | $0.0830 |
| $ / GB RAM / hr | $0.0109 | $0.0109 |
| Availability | ||
| Regions | 12 | 12 |
| Cheapest region | us-east-2 · $1.328 | us-east-2 · $0.332 |
| Cheapest spot region | ap-south-1 · $0.166 | ap-south-1 · $0.049 |
| Price snapshot | 2026-08-16 | 2026-08-16 |