db.r4.4xlargevsdb.r5.4xlarge.tpc2.mem4x
db.r4.4xlarge is 73% cheaper than db.r5.4xlarge.tpc2.mem4x on demand in US East (N. Virginia), saving $3,982.88 a month.
| At a glance | db.r4.4xlarge | db.r5.4xlarge.tpc2.mem4x |
|---|---|---|
| On-demand | $2.00/hr73% less | $7.456/hr |
| Size | 16 vCPUs, 122 GiB | 16 vCPUs, 512 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.mem4x | db.r5.4xlarge.tpc2.mem4x vs db.r4.4xlarge |
|---|---|---|---|
| On-demandPay by the hour | $2.00 | $7.456 | ▲ 273% |
| 1-yr reservedNo upfront | — | 42% off$4.313 | — |
Key differences
The biggest lead each one has.
Where db.r4.4xlarge leads
On-demand price$2.00 vs $7.456 per hour
73% cheaperWhere db.r5.4xlarge.tpc2.mem4x leads
Memory (GiB)512 vs 122
4.2× higherSpecs
24 of 25 specs differ. Those are in bold.
| Compute8 of 9 differ | db.r4.4xlarge | db.r5.4xlarge.tpc2.mem4x |
|---|---|---|
| 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.mem4x |
|---|---|---|
| Memory (GiB) | 122 | 512 |
| Networking3 of 3 differ | db.r4.4xlarge | db.r5.4xlarge.tpc2.mem4x |
|---|---|---|
| Network | – | 20 Gigabit |
| Network baseline | 5 Gbps | – |
| Network peak | 10 Gbps | – |
| Storage7 of 7 differ | db.r4.4xlarge | db.r5.4xlarge.tpc2.mem4x |
|---|---|---|
| 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.mem4x |
|---|---|---|
| Family | r4 | r5 |
| Category | – | Memory optimized |
| Current generation | – | Yes |
| Normalization factor | – | 128 |
| Other1 of 1 differ | db.r4.4xlarge | db.r5.4xlarge.tpc2.mem4x |
|---|---|---|
| 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.mem4x | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $2.00 | $7.456 | ▲ 273% |
| US East (Ohio)us-east-2 | $2.00 | $7.456 | ▲ 273% |
| US West (Oregon)us-west-2 | $2.00 | $7.456 | ▲ 273% |
| Canada (Central)ca-central-1 | $2.162 | $8.192 | ▲ 279% |
| EU (Ireland)eu-west-1 | $2.24 | $8.256 | ▲ 269% |
| US West (N. California)us-west-1 | $2.24 | $8.224 | ▲ 267% |
| Asia Pacific (Mumbai)ap-south-1 | $2.28 | $8.416 | ▲ 269% |
| EU (London)eu-west-2 | $2.352 | $8.704 | ▲ 270% |
| EU (Paris)eu-west-3 | $2.352 | $8.672 | ▲ 269% |
| Asia Pacific (Osaka)ap-northeast-3 | $2.40 | $8.864 | ▲ 269% |
| Asia Pacific (Seoul)ap-northeast-2 | $2.40 | $8.864 | ▲ 269% |
| Asia Pacific (Singapore)ap-southeast-1 | $2.40 | $8.864 | ▲ 269% |
| Asia Pacific (Sydney)ap-southeast-2 | $2.40 | $8.848 | ▲ 269% |
| Asia Pacific (Tokyo)ap-northeast-1 | $2.40 | $8.864 | ▲ 269% |
| AWS GovCloud (US-East)us-gov-east-1 | $2.408 | $8.976 | ▲ 273% |
| AWS GovCloud (US-West)us-gov-west-1 | $2.408 | $8.976 | ▲ 273% |
| EU (Frankfurt)eu-central-1 | $2.44 | $9.024 | ▲ 270% |
| South America (Sao Paulo)sa-east-1 | $4.188 | $15.552 | ▲ 271% |
Keep exploring
Each type’s own page, and how it compares with others.
db.r5.4xlarge.tpc2.mem4x
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AWS RDS PostgreSQL prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.