db.r4.4xlargevsdb.r5.4xlarge.tpc2.mem3x
db.r4.4xlarge is 64% cheaper than db.r5.4xlarge.tpc2.mem3x on demand in US East (N. Virginia), saving $2,622.16 a month.
| At a glance | db.r4.4xlarge | db.r5.4xlarge.tpc2.mem3x |
|---|---|---|
| On-demand | $2.00/hr64% less | $5.592/hr |
| Size | 16 vCPUs, 122 GiB | 16 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.r4.4xlarge | db.r5.4xlarge.tpc2.mem3x | db.r5.4xlarge.tpc2.mem3x vs db.r4.4xlarge |
|---|---|---|---|
| On-demandPay by the hour | $2.00 | $5.592 | ▲ 180% |
| 1-yr reservedNo upfront | — | 42% off$3.235 | — |
Key differences
The biggest lead each one has.
Where db.r4.4xlarge leads
On-demand price$2.00 vs $5.592 per hour
64% cheaperWhere db.r5.4xlarge.tpc2.mem3x leads
Memory (GiB)384 vs 122
3.1× higherSpecs
24 of 25 specs differ. Those are in bold.
| Compute8 of 9 differ | db.r4.4xlarge | db.r5.4xlarge.tpc2.mem3x |
|---|---|---|
| vCPUs | 16 | 16 |
| Physical cores | 8 | – |
| Threads per core | 2 | – |
| Architecture | – | x86_64 |
| Processor | – | Intel Xeon Platinum 8175 |
| CPU maker | Intel | – |
| Clock speed | – | Up to 3.1 GHz |
| Sustained clock | 2.3 GHz | – |
| Burstable | No | – |
| Memory1 of 1 differ | db.r4.4xlarge | db.r5.4xlarge.tpc2.mem3x |
|---|---|---|
| Memory (GiB) | 122 | 384 |
| Networking3 of 3 differ | db.r4.4xlarge | db.r5.4xlarge.tpc2.mem3x |
|---|---|---|
| Network | – | 10 Gigabit |
| Network baseline | 5 Gbps | – |
| Network peak | 10 Gbps | – |
| Storage7 of 7 differ | db.r4.4xlarge | db.r5.4xlarge.tpc2.mem3x |
|---|---|---|
| Storage | – | EBS Only |
| EBS baseline bandwidth | 3,500 Mbps | – |
| EBS max bandwidth | 3,500 Mbps | – |
| EBS baseline throughput | 437.5 MB/s | – |
| EBS max throughput | 437.5 MB/s | – |
| EBS baseline IOPS | 18,750 | – |
| EBS max IOPS | 18,750 | – |
| Instance details4 of 4 differ | db.r4.4xlarge | db.r5.4xlarge.tpc2.mem3x |
|---|---|---|
| Family | r4 | r5 |
| Category | – | Memory optimized |
| Current generation | – | Yes |
| Normalization factor | – | 96 |
| Other1 of 1 differ | db.r4.4xlarge | db.r5.4xlarge.tpc2.mem3x |
|---|---|---|
| Hardware Basis | r4.4xlarge | – |
On-demand prices by region
Cheapest for db.r4.4xlarge first. PostgreSQL, USD per hour.
| Region | db.r4.4xlarge | db.r5.4xlarge.tpc2.mem3x | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $2.00 | $5.592 | ▲ 180% |
| US East (Ohio)us-east-2 | $2.00 | $5.592 | ▲ 180% |
| US West (Oregon)us-west-2 | $2.00 | $5.592 | ▲ 180% |
| Canada (Central)ca-central-1 | $2.162 | $6.144 | ▲ 184% |
| EU (Ireland)eu-west-1 | $2.24 | $6.187 | ▲ 176% |
| US West (N. California)us-west-1 | $2.24 | $6.163 | ▲ 175% |
| Asia Pacific (Mumbai)ap-south-1 | $2.28 | $6.312 | ▲ 177% |
| EU (London)eu-west-2 | $2.352 | $6.528 | ▲ 178% |
| EU (Paris)eu-west-3 | $2.352 | $6.499 | ▲ 176% |
| Asia Pacific (Osaka)ap-northeast-3 | $2.40 | $6.648 | ▲ 177% |
| Asia Pacific (Seoul)ap-northeast-2 | $2.40 | $6.648 | ▲ 177% |
| Asia Pacific (Singapore)ap-southeast-1 | $2.40 | $6.648 | ▲ 177% |
| Asia Pacific (Sydney)ap-southeast-2 | $2.40 | $6.634 | ▲ 176% |
| Asia Pacific (Tokyo)ap-northeast-1 | $2.40 | $6.648 | ▲ 177% |
| AWS GovCloud (US-East)us-gov-east-1 | $2.408 | $6.732 | ▲ 180% |
| AWS GovCloud (US-West)us-gov-west-1 | $2.408 | $6.73 | ▲ 179% |
| EU (Frankfurt)eu-central-1 | $2.44 | $6.767 | ▲ 177% |
| South America (Sao Paulo)sa-east-1 | $4.188 | $11.664 | ▲ 179% |
Keep exploring
Each type’s own page, and how it compares with others.
db.r5.4xlarge.tpc2.mem3x
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AWS RDS PostgreSQL prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.