db.m4.4xlargevsdb.r4.4xlarge
db.m4.4xlarge is 27% cheaper than db.r4.4xlarge on demand in US East (N. Virginia), saving $393.47 a month.
| At a glance | db.m4.4xlarge | db.r4.4xlarge |
|---|---|---|
| On-demand | $1.461/hr27% less | $2.00/hr |
| Size | 16 vCPUs, 64 GiB | 16 vCPUs, 122 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.m4.4xlarge | db.r4.4xlarge | db.r4.4xlarge vs db.m4.4xlarge |
|---|---|---|---|
| On-demandPay by the hour | $1.461 | $2.00 | ▲ 37% |
Key differences
The biggest lead each one has.
Where db.m4.4xlarge leads
On-demand price$1.461 vs $2.00 per hour
27% cheaperSustained clock2.4 GHz vs 2.3 GHz
4% higherWhere db.r4.4xlarge leads
Network baseline5 Gbps vs 2 Gbps
2.5× higherMemory (GiB)122 vs 64
91% higherEBS baseline bandwidth3,500 Mbps vs 2,000 Mbps
75% higherSpecs
12 of 18 specs differ. Those are in bold.
| Compute1 of 6 differ | db.m4.4xlarge | db.r4.4xlarge |
|---|---|---|
| vCPUs | 16 | 16 |
| Physical cores | 8 | 8 |
| Threads per core | 2 | 2 |
| CPU maker | Intel | Intel |
| Sustained clock | 2.4 GHz | 2.3 GHz |
| Burstable | No | No |
| Memory1 of 1 differ | db.m4.4xlarge | db.r4.4xlarge |
|---|---|---|
| Memory (GiB) | 64 | 122 |
| Networking1 of 2 differ | db.m4.4xlarge | db.r4.4xlarge |
|---|---|---|
| Network baseline | 2 Gbps | 5 Gbps |
| Network peak | 10 Gbps | 10 Gbps |
| Storage6 of 6 differ | db.m4.4xlarge | db.r4.4xlarge |
|---|---|---|
| EBS baseline bandwidth | 2,000 Mbps | 3,500 Mbps |
| EBS max bandwidth | 2,000 Mbps | 3,500 Mbps |
| EBS baseline throughput | 250 MB/s | 437.5 MB/s |
| EBS max throughput | 250 MB/s | 437.5 MB/s |
| EBS baseline IOPS | 16,000 | 18,750 |
| EBS max IOPS | 16,000 | 18,750 |
| Instance details2 of 2 differ | db.m4.4xlarge | db.r4.4xlarge |
|---|---|---|
| Family | m4 | r4 |
| Normalization factor | 32 | – |
| Other1 of 1 differ | db.m4.4xlarge | db.r4.4xlarge |
|---|---|---|
| Hardware Basis | m4.4xlarge | r4.4xlarge |
On-demand prices by region
Cheapest for db.m4.4xlarge first. PostgreSQL, USD per hour.
| Region | db.m4.4xlarge | db.r4.4xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $1.461 | $2.00 | ▲ 37% |
| US East (Ohio)us-east-2 | $1.461 | $2.00 | ▲ 37% |
| US West (Oregon)us-west-2 | $1.461 | $2.00 | ▲ 37% |
| Canada (Central)ca-central-1 | $1.607 | $2.162 | ▲ 35% |
| EU (Ireland)eu-west-1 | $1.612 | $2.24 | ▲ 39% |
| EU (Paris)eu-west-3 | $1.622 | $2.352 | ▲ 45% |
| EU (London)eu-west-2 | $1.693 | $2.352 | ▲ 39% |
| US West (N. California)us-west-1 | $1.705 | $2.24 | ▲ 31% |
| EU (Frankfurt)eu-central-1 | $1.74 | $2.44 | ▲ 40% |
| AWS GovCloud (US-West)us-gov-west-1 | $1.744 | $2.408 | ▲ 38% |
| South America (Sao Paulo)sa-east-1 | $1.908 | $4.188 | ▲ 119% |
| Asia Pacific (Seoul)ap-northeast-2 | $2.016 | $2.40 | ▲ 19% |
| Asia Pacific (Sydney)ap-southeast-2 | $2.053 | $2.40 | ▲ 17% |
| Asia Pacific (Mumbai)ap-south-1 | $2.06 | $2.28 | ▲ 11% |
| Asia Pacific (Osaka)ap-northeast-3 | $2.122 | $2.40 | ▲ 13% |
| Asia Pacific (Tokyo)ap-northeast-1 | $2.122 | $2.40 | ▲ 13% |
| Asia Pacific (Singapore)ap-southeast-1 | $2.169 | $2.40 | ▲ 11% |
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.