db.m5.4xlargevsdb.r5.4xlarge
db.m5.4xlarge is 29% cheaper than db.r5.4xlarge on demand in US East (N. Virginia), saving $420.48 a month.
| At a glance | db.m5.4xlarge | db.r5.4xlarge |
|---|---|---|
| On-demand | $1.424/hr29% less | $2.00/hr |
| Lowest rate | $0.9121/hr21% less1-yr reserved, no upfront | $1.155/hr1-yr reserved, no upfront |
| Size | 16 vCPUs, 64 GiB | 16 vCPUs, 128 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.m5.4xlarge | db.r5.4xlarge | db.r5.4xlarge vs db.m5.4xlarge |
|---|---|---|---|
| On-demandPay by the hour | $1.424 | $2.00 | ▲ 40% |
| 1-yr reservedNo upfront | 36% off$0.9121 | 42% off$1.155 | ▲ 27% |
Key differences
The biggest lead each one has.
Where db.m5.4xlarge leads
On-demand price$1.424 vs $2.00 per hour
29% cheaperWhere db.r5.4xlarge leads
Memory (GiB)128 vs 64
2× higherSpecs
5 of 20 specs differ. Those are in bold.
| ComputeAll 6 match | db.m5.4xlarge | db.r5.4xlarge |
|---|---|---|
| vCPUs | 16 | 16 |
| Physical cores | 8 | 8 |
| Threads per core | 2 | 2 |
| CPU maker | Intel | Intel |
| Sustained clock | 3.1 GHz | 3.1 GHz |
| Burstable | No | No |
| Memory1 of 1 differ | db.m5.4xlarge | db.r5.4xlarge |
|---|---|---|
| Memory (GiB) | 64 | 128 |
| NetworkingAll 2 match | db.m5.4xlarge | db.r5.4xlarge |
|---|---|---|
| Network baseline | 5 Gbps | 5 Gbps |
| Network peak | 10 Gbps | 10 Gbps |
| StorageAll 7 match | db.m5.4xlarge | db.r5.4xlarge |
|---|---|---|
| Storage | EBS Only | EBS Only |
| EBS baseline bandwidth | 4,750 Mbps | 4,750 Mbps |
| EBS max bandwidth | 4,750 Mbps | 4,750 Mbps |
| EBS baseline throughput | 593.75 MB/s | 593.75 MB/s |
| EBS max throughput | 593.75 MB/s | 593.75 MB/s |
| EBS baseline IOPS | 18,750 | 18,750 |
| EBS max IOPS | 18,750 | 18,750 |
| Instance details3 of 3 differ | db.m5.4xlarge | db.r5.4xlarge |
|---|---|---|
| Family | m5 | r5 |
| Category | General purpose | Memory optimized |
| Normalization factor | 64 | 32 |
| Other1 of 1 differ | db.m5.4xlarge | db.r5.4xlarge |
|---|---|---|
| Hardware Basis | m5.4xlarge | r5.4xlarge |
On-demand prices by region
Cheapest for db.m5.4xlarge first. PostgreSQL, USD per hour.
| Region | db.m5.4xlarge | db.r5.4xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $1.424 | $2.00 | ▲ 40% |
| US East (Ohio)us-east-2 | $1.424 | $2.00 | ▲ 40% |
| US West (Oregon)us-west-2 | $1.424 | $2.00 | ▲ 40% |
| EU (Stockholm)eu-north-1 | $1.497 | $2.057 | ▲ 37% |
| Canada (Central)ca-central-1 | $1.568 | $2.162 | ▲ 38% |
| EU (Ireland)eu-west-1 | $1.576 | $2.24 | ▲ 42% |
| Europe (Spain)eu-south-2 | $1.576 | $2.24 | ▲ 42% |
| US West (N. California)us-west-1 | $1.624 | $2.24 | ▲ 38% |
| EU (London)eu-west-2 | $1.648 | $2.352 | ▲ 43% |
| EU (Paris)eu-west-3 | $1.648 | $2.352 | ▲ 43% |
| EU (Milan)eu-south-1 | $1.655 | $2.352 | ▲ 42% |
| Israel (Tel Aviv)il-central-1 | $1.655 | $2.35 | ▲ 42% |
| EU (Frankfurt)eu-central-1 | $1.696 | $2.44 | ▲ 44% |
| AWS GovCloud (US-East)us-gov-east-1 | $1.70 | $2.41 | ▲ 42% |
| AWS GovCloud (US-West)us-gov-west-1 | $1.70 | $2.41 | ▲ 42% |
| Middle East (Bahrain)me-south-1 | $1.734 | $2.464 | ▲ 42% |
| Middle East (UAE)me-central-1 | $1.736 | $2.464 | ▲ 42% |
| South America (Sao Paulo)sa-east-1 | $1.864 | $4.188 | ▲ 125% |
| Europe (Zurich)eu-central-2 | $1.866 | $2.688 | ▲ 44% |
| Africa (Cape Town)af-south-1 | $1.875 | $2.666 | ▲ 42% |
| Asia Pacific (Jakarta)ap-southeast-3 | $1.976 | $2.40 | ▲ 21% |
| Asia Pacific (Melbourne)ap-southeast-4 | $1.976 | $2.40 | ▲ 21% |
| Asia Pacific (Seoul)ap-northeast-2 | $1.976 | $2.40 | ▲ 21% |
| Asia Pacific (Singapore)ap-southeast-1 | $1.976 | $2.40 | ▲ 21% |
| Asia Pacific (Sydney)ap-southeast-2 | $1.976 | $2.40 | ▲ 21% |
| Asia Pacific (Tokyo)ap-northeast-1 | $1.976 | $2.40 | ▲ 21% |
| Asia Pacific (Hyderabad)ap-south-2 | $2.024 | $2.28 | ▲ 13% |
| Asia Pacific (Mumbai)ap-south-1 | $2.024 | $2.28 | ▲ 13% |
| Asia Pacific (Osaka)ap-northeast-3 | $2.074 | $2.40 | ▲ 16% |
| Asia Pacific (Hong Kong)ap-east-1 | $2.174 | $2.64 | ▲ 21% |
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.