db.m4.16xlargevsdb.m5.16xlarge
db.m5.16xlarge is 3% cheaper than db.m4.16xlarge on demand in US East (N. Virginia), saving $108.04 a month.
| At a glance | db.m4.16xlarge | db.m5.16xlarge |
|---|---|---|
| On-demand | $5.844/hr | $5.696/hr3% less |
| Size | 64 vCPUs, 256 GiB | 64 vCPUs, 256 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.m4.16xlarge | db.m5.16xlarge | db.m5.16xlarge vs db.m4.16xlarge |
|---|---|---|---|
| On-demandPay by the hour | $5.844 | $5.696 | ▼ 3% |
| 1-yr reservedNo upfront | — | 36% off$3.648 | — |
Key differences
The biggest lead each one has.
Where db.m4.16xlarge leads
Network baseline25 Gbps vs 20 Gbps
25% higherEBS baseline IOPS65,000 vs 60,000
8% higherWhere db.m5.16xlarge leads
On-demand price$5.696 vs $5.844 per hour
3% cheaperEBS baseline bandwidth13,600 Mbps vs 10,000 Mbps
36% higherSustained clock3.1 GHz vs 2.3 GHz
35% higherSpecs
14 of 20 specs differ. Those are in bold.
| Compute1 of 6 differ | db.m4.16xlarge | db.m5.16xlarge |
|---|---|---|
| vCPUs | 64 | 64 |
| Physical cores | 32 | 32 |
| Threads per core | 2 | 2 |
| CPU maker | Intel | Intel |
| Sustained clock | 2.3 GHz | 3.1 GHz |
| Burstable | No | No |
| MemoryAll 1 match | db.m4.16xlarge | db.m5.16xlarge |
|---|---|---|
| Memory (GiB) | 256 | 256 |
| Networking2 of 2 differ | db.m4.16xlarge | db.m5.16xlarge |
|---|---|---|
| Network baseline | 25 Gbps | 20 Gbps |
| Network peak | 25 Gbps | 20 Gbps |
| Storage7 of 7 differ | db.m4.16xlarge | db.m5.16xlarge |
|---|---|---|
| Storage | – | EBS Only |
| EBS baseline bandwidth | 10,000 Mbps | 13,600 Mbps |
| EBS max bandwidth | 10,000 Mbps | 13,600 Mbps |
| EBS baseline throughput | 1,250 MB/s | 1,700 MB/s |
| EBS max throughput | 1,250 MB/s | 1,700 MB/s |
| EBS baseline IOPS | 65,000 | 60,000 |
| EBS max IOPS | 65,000 | 60,000 |
| Instance details3 of 3 differ | db.m4.16xlarge | db.m5.16xlarge |
|---|---|---|
| Family | m4 | m5 |
| Category | – | General purpose |
| Normalization factor | 128 | – |
| Other1 of 1 differ | db.m4.16xlarge | db.m5.16xlarge |
|---|---|---|
| Hardware Basis | m4.16xlarge | m5.16xlarge |
On-demand prices by region
Cheapest for db.m4.16xlarge first. PostgreSQL, USD per hour.
| Region | db.m4.16xlarge | db.m5.16xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $5.844 | $5.696 | ▼ 3% |
| US East (Ohio)us-east-2 | $5.844 | $5.696 | ▼ 3% |
| US West (Oregon)us-west-2 | $5.844 | $5.696 | ▼ 3% |
| Canada (Central)ca-central-1 | $6.428 | $6.272 | ▼ 2% |
| EU (Ireland)eu-west-1 | $6.448 | $6.304 | ▼ 2% |
| EU (Paris)eu-west-3 | $6.496 | $6.592 | ▲ 1% |
| EU (London)eu-west-2 | $6.772 | $6.592 | ▼ 3% |
| US West (N. California)us-west-1 | $6.82 | $6.496 | ▼ 5% |
| EU (Frankfurt)eu-central-1 | $6.96 | $6.784 | ▼ 3% |
| AWS GovCloud (US-West)us-gov-west-1 | $6.976 | $6.82 | ▼ 2% |
| South America (Sao Paulo)sa-east-1 | $7.632 | $7.456 | ▼ 2% |
| Asia Pacific (Seoul)ap-northeast-2 | $8.064 | $7.904 | ▼ 2% |
| Asia Pacific (Sydney)ap-southeast-2 | $8.212 | $7.904 | ▼ 4% |
| Asia Pacific (Mumbai)ap-south-1 | $8.24 | $8.096 | ▼ 2% |
| Asia Pacific (Osaka)ap-northeast-3 | $8.488 | $8.294 | ▼ 2% |
| Asia Pacific (Tokyo)ap-northeast-1 | $8.488 | $7.904 | ▼ 7% |
| Asia Pacific (Singapore)ap-southeast-1 | $8.676 | $7.904 | ▼ 9% |
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.