Memory-optimized (R-family) 8xlarge instances compared
Every Amazon RDS instance in the Memory-optimized (R-family) 8xlarge group — 15 instances priced side by side. Switch region and engine, or sort by any column.
Engine
Architecture
| db.r5.8xlarge | 32 | 256 | $2,920 | $1,574 | $1,059 |
| db.r5b.8xlarge | 32 | 256 | $3,457 | $1,864 | $1,243 |
| db.r5d.8xlarge | 32 | 256 | $3,337 | $2,436 | $1,769 |
| db.r6g.8xlarge | 32 | 256 | $2,626 | $1,416 | $952 |
| db.r6gd.8xlarge | 32 | 256 | $3,003 | $2,193 | $1,592 |
| db.r6i.8xlarge | 32 | 256 | $2,920 | $1,573 | $1,059 |
| db.r6id.8xlarge | 32 | 256 | $3,483 | $2,543 | $1,846 |
| db.r6idn.8xlarge | 32 | 256 | $4,528 | $3,305 | $2,400 |
| db.r6in.8xlarge | 32 | 256 | $4,040 | $2,949 | $2,141 |
| db.r7g.8xlarge | 32 | 256 | $2,792 | $2,038 | $1,480 |
| db.r7i.8xlarge | 32 | 256 | $2,920 | $1,840 | — |
| db.r8g.8xlarge | 32 | 256 | $2,792 | $1,759 | — |
| db.r8gd.8xlarge | 32 | 256 | $3,189 | — | — |
13 instances · US East (N. Virginia) · prices are for the database instance (compute) only — storage, IOPS, backup, and data transfer are billed separately. Reserved = effective monthly of the all-upfront term. Indicative prices as of July 20, 2026; verify with the provider.