x2g family
The x2g family has 7 sizes on AWS RDS, from 2 to 64 vCPUs and 32 to 1024 GiB of memory. In US East (N. Virginia), on-demand prices run $0.326 to $10.432 per hour for PostgreSQL, Single-AZ. It is sold in 5 regions and listed as memory optimized and Arm (Graviton).
Sizes and prices in US East (N. Virginia)
| Type | vCPUs | Memory (GiB) | On-demand /hr | 1-yr reserved /hr |
|---|---|---|---|---|
| db.x2g.large | 2 | 32 | $0.326 | $0.1891 |
| db.x2g.xlarge | 4 | 64 | $0.652 | $0.3782 |
| db.x2g.2xlarge | 8 | 128 | $1.304 | $0.7563 |
| db.x2g.16xlarge | 64 | 1024 | $10.432 | $6.051 |
| db.x2g.4xlarge | – | – | $2.608 | $1.513 |
| db.x2g.8xlarge | – | – | $5.216 | $3.025 |
| db.x2g.12xlarge | – | – | $7.824 | $4.538 |
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Prices in USD per hour for PostgreSQL, Single-AZ; reserved prices are 1 year, no upfront. Updated 2026-11-12 from AWS public price lists. Compare all AWS RDS sizes.