# Amazon RDS Memory-optimized (R-family) 12xlarge instances compared

> Compare all 13 Amazon RDS Memory-optimized (R-family) 12xlarge instances — monthly price across regions and engines, side by side.

Source: https://www.bytebase.com/dbcost/rds/compare/r-12xlarge/

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Pricing below is for US East (N. Virginia) (us-east-1); other regions, engines are on the page.

## PostgreSQL (us-east-1)

| Instance | vCPU | RAM (GB) | On-Demand | 1-yr Reserved | 3-yr Reserved |
|---|---|---|---|---|---|
| db.r5.12xlarge | 48 | 384 | $4,380 | $2,361 | $1,588 |
| db.r5b.12xlarge | 48 | 384 | $5,186 | $2,797 | $1,864 |
| db.r5d.12xlarge | 48 | 384 | $5,006 | $3,654 | $2,653 |
| db.r6g.12xlarge | 48 | 384 | $3,938 | $2,124 | $1,428 |
| db.r6gd.12xlarge | 48 | 384 | $4,505 | $3,289 | $2,388 |
| db.r6i.12xlarge | 48 | 384 | $4,380 | $2,360 | $1,588 |
| db.r6id.12xlarge | 48 | 384 | $5,225 | $3,814 | $2,769 |
| db.r6idn.12xlarge | 48 | 384 | $6,792 | $4,958 | $3,600 |
| db.r6in.12xlarge | 48 | 384 | $6,060 | $4,424 | $3,212 |
| db.r7g.12xlarge | 48 | 384 | $4,189 | $3,058 | $2,220 |
| db.r7i.12xlarge | 48 | 384 | $4,380 | $2,759 | — |
| db.r8g.12xlarge | 48 | 384 | $4,187 | $2,638 | — |
| db.r8gd.12xlarge | 48 | 384 | $4,783 | — | — |

## MySQL (us-east-1)

| Instance | vCPU | RAM (GB) | On-Demand | 1-yr Reserved | 3-yr Reserved |
|---|---|---|---|---|---|
| db.r5.12xlarge | 48 | 384 | $4,205 | $2,266 | $1,525 |
| db.r5b.12xlarge | 48 | 384 | $5,186 | $2,797 | $1,864 |
| db.r5d.12xlarge | 48 | 384 | $5,006 | $3,654 | $2,653 |
| db.r6g.12xlarge | 48 | 384 | $3,763 | $2,028 | $1,365 |
| db.r6gd.12xlarge | 48 | 384 | $4,505 | $3,289 | $2,388 |
| db.r6i.12xlarge | 48 | 384 | $4,205 | $2,266 | $1,525 |
| db.r6id.12xlarge | 48 | 384 | $5,225 | $3,814 | $2,769 |
| db.r6idn.12xlarge | 48 | 384 | $6,792 | $4,958 | $3,600 |
| db.r6in.12xlarge | 48 | 384 | $6,060 | $4,424 | $3,212 |
| db.r7g.12xlarge | 48 | 384 | $4,189 | $3,058 | $2,220 |
| db.r7i.12xlarge | 48 | 384 | $4,380 | $2,759 | — |
| db.r8g.12xlarge | 48 | 384 | $4,187 | $2,638 | — |
| db.r8gd.12xlarge | 48 | 384 | $4,783 | — | — |

## MariaDB (us-east-1)

| Instance | vCPU | RAM (GB) | On-Demand | 1-yr Reserved | 3-yr Reserved |
|---|---|---|---|---|---|
| db.r5.12xlarge | 48 | 384 | $4,205 | $2,266 | $1,525 |
| db.r5b.12xlarge | 48 | 384 | $5,186 | $2,797 | $1,864 |
| db.r5d.12xlarge | 48 | 384 | $5,006 | — | — |
| db.r6g.12xlarge | 48 | 384 | $3,763 | $2,028 | $1,365 |
| db.r6gd.12xlarge | 48 | 384 | $4,505 | $3,289 | $2,388 |
| db.r6i.12xlarge | 48 | 384 | $4,205 | $2,266 | $1,525 |
| db.r6id.12xlarge | 48 | 384 | $5,225 | $3,814 | $2,769 |
| db.r6idn.12xlarge | 48 | 384 | $6,792 | $4,958 | $3,600 |
| db.r6in.12xlarge | 48 | 384 | $6,060 | $4,424 | $3,212 |
| db.r7g.12xlarge | 48 | 384 | $4,189 | $3,058 | $2,220 |
| db.r7i.12xlarge | 48 | 384 | $4,380 | $2,759 | — |
| db.r8g.12xlarge | 48 | 384 | $4,187 | $2,638 | — |
| db.r8gd.12xlarge | 48 | 384 | $4,783 | — | — |