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-optimizedr4.16xlarge | memory-optimizedr4.4xlarge | |
|---|---|---|
| Compute | ||
| vCPUs | 64 | 16 |
| Memory | 488 GB | 122 GB |
| Memory per vCPU | 7.63 GB | 7.63 GB |
| Architecture | x86_64 | x86_64 |
| Processor | Intel | Intel |
| Family | r4 | r4 |
| Category | memory-optimized | memory-optimized |
| Price in us-east-1 | ||
| On-demand | $4.256$3106.88/mo | $1.064$776.72/mo |
| Spot | $1.108$808.84/mo | $0.375$273.60/mo |
| Reserved 1-year | $2.94331% off on-demand | $0.73631% off on-demand |
| Reserved 3-year | $1.95054% off on-demand | $0.48754% off on-demand |
| Spot savings | 74% | 65% |
| Cost efficiency in us-east-1 | ||
| $ / vCPU / hr | $0.0665 | $0.0665 |
| $ / GB RAM / hr | $0.0087 | $0.0087 |
| Availability | ||
| Regions | 16 | 16 |
| Cheapest region | us-east-1 · $4.256 | us-east-1 · $1.064 |
| Cheapest spot region | ap-south-1 · $0.504 | ap-south-1 · $0.253 |
| Price snapshot | 2026-08-14 | 2026-08-14 |