db.r5.12xlargevsdb.r6i.12xlarge
db.r5.12xlarge and db.r6i.12xlarge cost the same on demand in US East (N. Virginia), $6.00 per hour.
| At a glance | db.r5.12xlarge | db.r6i.12xlarge |
|---|---|---|
| On-demand | $6.00/hr | $6.00/hr |
| Lowest rate | $3.465/hr0% less1-yr reserved, no upfront | $3.466/hr1-yr reserved, no upfront |
| Size | 48 vCPUs, 384 GiB | 48 vCPUs, 384 GiB |
Prices in US East (N. Virginia)
“Off” is the discount against each type’s own on-demand price. PostgreSQL, USD per hour.
| Option | db.r5.12xlarge | db.r6i.12xlarge | db.r6i.12xlarge vs db.r5.12xlarge |
|---|---|---|---|
| On-demandPay by the hour | $6.00 | $6.00 | Same |
| 1-yr reservedNo upfront | 42% off$3.465 | 42% off$3.466 | Same |
Key differences
The biggest lead each one has.
Where db.r5.12xlarge leads
No clear lead on the measures we compare.
Where db.r6i.12xlarge leads
EBS baseline bandwidth15,000 Mbps vs 9,500 Mbps
58% higherNetwork baseline18.75 Gbps vs 12 Gbps
56% higherSustained clock3.5 GHz vs 3.1 GHz
13% higherSpecs
15 of 23 specs differ. Those are in bold.
| Compute3 of 8 differ | db.r5.12xlarge | db.r6i.12xlarge |
|---|---|---|
| vCPUs | 48 | 48 |
| Physical cores | 24 | 24 |
| Threads per core | 2 | 2 |
| Architecture | – | x86_64 |
| Processor | – | Intel Xeon Scalable Ice Lake |
| CPU maker | Intel | Intel |
| Sustained clock | 3.1 GHz | 3.5 GHz |
| Burstable | No | No |
| MemoryAll 1 match | db.r5.12xlarge | db.r6i.12xlarge |
|---|---|---|
| Memory (GiB) | 384 | 384 |
| Networking3 of 3 differ | db.r5.12xlarge | db.r6i.12xlarge |
|---|---|---|
| Network | – | 18.75 Gbps |
| Network baseline | 12 Gbps | 18.75 Gbps |
| Network peak | 12 Gbps | 18.75 Gbps |
| Storage6 of 7 differ | db.r5.12xlarge | db.r6i.12xlarge |
|---|---|---|
| Storage | EBS Only | EBS Only |
| EBS baseline bandwidth | 9,500 Mbps | 15,000 Mbps |
| EBS max bandwidth | 9,500 Mbps | 15,000 Mbps |
| EBS baseline throughput | 1,187.5 MB/s | 1,875 MB/s |
| EBS max throughput | 1,187.5 MB/s | 1,875 MB/s |
| EBS baseline IOPS | 40,000 | 60,000 |
| EBS max IOPS | 40,000 | 60,000 |
| Instance details2 of 3 differ | db.r5.12xlarge | db.r6i.12xlarge |
|---|---|---|
| Family | r5 | r6i |
| Category | Memory optimized | Memory optimized |
| Current generation | – | Yes |
| Other1 of 1 differ | db.r5.12xlarge | db.r6i.12xlarge |
|---|---|---|
| Hardware Basis | r5.12xlarge | r6i.12xlarge |
On-demand prices by region
Cheapest for db.r5.12xlarge first. PostgreSQL, USD per hour.
| Region | db.r5.12xlarge | db.r6i.12xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $6.00 | $6.00 | Same |
| US East (Ohio)us-east-2 | $6.00 | $6.00 | Same |
| US West (Oregon)us-west-2 | $6.00 | $6.00 | Same |
| EU (Stockholm)eu-north-1 | $6.172 | $6.168 | Same |
| Canada (Central)ca-central-1 | $6.486 | $6.487 | Same |
| EU (Ireland)eu-west-1 | $6.72 | $6.72 | Same |
| Europe (Spain)eu-south-2 | $6.72 | $9.984 | ▲ 49% |
| US West (N. California)us-west-1 | $6.72 | $6.72 | Same |
| Asia Pacific (Hyderabad)ap-south-2 | $6.84 | $10.296 | ▲ 51% |
| Asia Pacific (Mumbai)ap-south-1 | $6.84 | $6.84 | Same |
| EU (London)eu-west-2 | $7.056 | $7.056 | Same |
| EU (Milan)eu-south-1 | $7.056 | $7.056 | Same |
| EU (Paris)eu-west-3 | $7.056 | $7.056 | Same |
| Israel (Tel Aviv)il-central-1 | $7.06 | $7.06 | Same |
| Asia Pacific (Jakarta)ap-southeast-3 | $7.20 | $10.92 | ▲ 52% |
| Asia Pacific (Melbourne)ap-southeast-4 | $7.20 | $10.92 | ▲ 52% |
| Asia Pacific (Osaka)ap-northeast-3 | $7.20 | $7.20 | Same |
| Asia Pacific (Seoul)ap-northeast-2 | $7.20 | $7.20 | Same |
| Asia Pacific (Singapore)ap-southeast-1 | $7.20 | $7.20 | Same |
| Asia Pacific (Sydney)ap-southeast-2 | $7.20 | $7.20 | Same |
| Asia Pacific (Tokyo)ap-northeast-1 | $7.20 | $7.20 | Same |
| AWS GovCloud (US-East)us-gov-east-1 | $7.22 | $8.40 | ▲ 16% |
| AWS GovCloud (US-West)us-gov-west-1 | $7.22 | $8.40 | ▲ 16% |
| EU (Frankfurt)eu-central-1 | $7.32 | $7.32 | Same |
| Middle East (Bahrain)me-south-1 | $7.392 | $7.392 | Same |
| Middle East (UAE)me-central-1 | $7.392 | $10.982 | ▲ 49% |
| Canada West (Calgary)ca-west-1 | $7.68 | $6.487 | ▼ 16% |
| Asia Pacific (Hong Kong)ap-east-1 | $7.92 | $7.92 | Same |
| Africa (Cape Town)af-south-1 | $7.997 | $7.992 | Same |
| Europe (Zurich)eu-central-2 | $8.064 | $12.012 | ▲ 49% |
| South America (Sao Paulo)sa-east-1 | $12.564 | $12.576 | Same |
Keep exploring
Each type’s own page, and how it compares with others.
AWS RDS PostgreSQL prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.