db.m3.2xlargevsdb.m4.2xlarge
db.m4.2xlarge is 6% cheaper than db.m3.2xlarge on demand in US East (N. Virginia), saving $32.85 a month.
| At a glance | db.m3.2xlarge | db.m4.2xlarge |
|---|---|---|
| On-demand | $0.775/hr | $0.73/hr6% less |
| Size | 8 vCPUs, 30 GiB | 8 vCPUs, 32 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.m3.2xlarge | db.m4.2xlarge | db.m4.2xlarge vs db.m3.2xlarge |
|---|---|---|---|
| On-demandPay by the hour | $0.775 | $0.73 | ▼ 6% |
Key differences
The biggest lead each one has.
Where db.m3.2xlarge leads
Sustained clock2.5 GHz vs 2.4 GHz
4% higherWhere db.m4.2xlarge leads
On-demand price$0.73 vs $0.775 per hour
6% cheaperMemory (GiB)32 vs 30
7% higherSpecs
14 of 27 specs differ. Those are in bold.
| Compute5 of 10 differ | db.m3.2xlarge | db.m4.2xlarge |
|---|---|---|
| vCPUs | 8 | 8 |
| Physical cores | 4 | 4 |
| Threads per core | 2 | 2 |
| Architecture | x86_64 | – |
| Processor | Intel Xeon E5-2670 v2 (Ivy Bridge/Sandy Bridge) | – |
| CPU maker | Intel | Intel |
| Clock speed | 2.5 GHz | – |
| Sustained clock | 2.5 GHz | 2.4 GHz |
| Processor features | Intel AVX; Intel Turbo | – |
| Burstable | No | No |
| Memory1 of 1 differ | db.m3.2xlarge | db.m4.2xlarge |
|---|---|---|
| Memory (GiB) | 30 | 32 |
| Networking1 of 3 differ | db.m3.2xlarge | db.m4.2xlarge |
|---|---|---|
| Network | High | – |
| Network baseline | 1 Gbps | 1 Gbps |
| Network peak | 10 Gbps | 10 Gbps |
| Storage3 of 9 differ | db.m3.2xlarge | db.m4.2xlarge |
|---|---|---|
| Storage | 2 x 80 SSD | – |
| Local disks | 2 × 80 GB SSD | – |
| EBS throughput | 1000 Mbps | – |
| EBS baseline bandwidth | 1,000 Mbps | 1,000 Mbps |
| EBS max bandwidth | 1,000 Mbps | 1,000 Mbps |
| EBS baseline throughput | 125 MB/s | 125 MB/s |
| EBS max throughput | 125 MB/s | 125 MB/s |
| EBS baseline IOPS | 8,000 | 8,000 |
| EBS max IOPS | 8,000 | 8,000 |
| Instance details3 of 3 differ | db.m3.2xlarge | db.m4.2xlarge |
|---|---|---|
| Family | m3 | m4 |
| Category | General purpose | – |
| Current generation | No | – |
| Other1 of 1 differ | db.m3.2xlarge | db.m4.2xlarge |
|---|---|---|
| Hardware Basis | m3.2xlarge | m4.2xlarge |
On-demand prices by region
Cheapest for db.m3.2xlarge first. PostgreSQL, USD per hour.
| Region | db.m3.2xlarge | db.m4.2xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $0.775 | $0.73 | ▼ 6% |
| US West (Oregon)us-west-2 | $0.775 | $0.73 | ▼ 6% |
| EU (Ireland)eu-west-1 | $0.831 | $0.806 | ▼ 3% |
| US West (N. California)us-west-1 | $0.835 | $0.852 | ▲ 2% |
| AWS GovCloud (US-West)us-gov-west-1 | $0.89 | $0.872 | ▼ 2% |
| EU (Frankfurt)eu-central-1 | $0.9 | $0.87 | ▼ 3% |
| Asia Pacific (Tokyo)ap-northeast-1 | $0.97 | $1.061 | ▲ 9% |
| South America (Sao Paulo)sa-east-1 | $0.98 | $0.954 | ▼ 3% |
| Asia Pacific (Singapore)ap-southeast-1 | $1.00 | $1.084 | ▲ 8% |
| Asia Pacific (Sydney)ap-southeast-2 | $1.00 | $1.026 | ▲ 3% |
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.