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-optimizedr7a.4xlarge | memory-optimizedr7a.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 | r7a | r7a |
| Category | memory-optimized | memory-optimized |
| Price in us-east-1 | ||
| On-demand | $1.217$888.56/mo | $3.652$2665.67/mo |
| Spot | $0.350$255.57/mo | $1.133$827.16/mo |
| Reserved 1-year | $0.84031% off on-demand | $2.51931% off on-demand |
| Reserved 3-year | $0.58852% off on-demand | $1.76352% off on-demand |
| Spot savings | 71% | 69% |
| Cost efficiency in us-east-1 | ||
| $ / vCPU / hr | $0.0761 | $0.0761 |
| $ / GB RAM / hr | $0.0095 | $0.0095 |
| Availability | ||
| Regions | 9 | 9 |
| Cheapest region | us-east-1 · $1.217 | us-east-1 · $3.652 |
| Cheapest spot region | eu-south-2 · $0.171 | ap-south-2 · $0.377 |
| Price snapshot | 2026-08-14 | 2026-08-14 |