db.r4.xlargevsdb.r5.xlarge.tpc2.mem4x
db.r4.xlarge is 73% cheaper than db.r5.xlarge.tpc2.mem4x on demand in US East (N. Virginia), saving $995.72 a month.
| At a glance | db.r4.xlarge | db.r5.xlarge.tpc2.mem4x |
|---|---|---|
| On-demand | $0.5/hr73% less | $1.864/hr |
| Size | 4 vCPUs, 30.5 GiB | 4 vCPUs, 128 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.xlarge | db.r5.xlarge.tpc2.mem4x | db.r5.xlarge.tpc2.mem4x vs db.r4.xlarge |
|---|---|---|---|
| On-demandPay by the hour | $0.5 | $1.864 | ▲ 273% |
| 1-yr reservedNo upfront | — | 42% off$1.078 | — |
Key differences
The biggest lead each one has.
Where db.r4.xlarge leads
On-demand price$0.5 vs $1.864 per hour
73% cheaperWhere db.r5.xlarge.tpc2.mem4x leads
Memory (GiB)128 vs 30.5
4.2× higherSpecs
24 of 25 specs differ. Those are in bold.
| Compute8 of 9 differ | db.r4.xlarge | db.r5.xlarge.tpc2.mem4x |
|---|---|---|
| vCPUs | 4 | 4 |
| Physical cores | 2 | – |
| 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.xlarge | db.r5.xlarge.tpc2.mem4x |
|---|---|---|
| Memory (GiB) | 30.5 | 128 |
| Networking3 of 3 differ | db.r4.xlarge | db.r5.xlarge.tpc2.mem4x |
|---|---|---|
| Network | – | Up to 10 Gigabit |
| Network baseline | 1.25 Gbps | – |
| Network peak | 10 Gbps | – |
| Storage7 of 7 differ | db.r4.xlarge | db.r5.xlarge.tpc2.mem4x |
|---|---|---|
| Storage | – | EBS Only |
| EBS baseline bandwidth | 850 Mbps | – |
| EBS max bandwidth | 850 Mbps | – |
| EBS baseline throughput | 106.25 MB/s | – |
| EBS max throughput | 106.25 MB/s | – |
| EBS baseline IOPS | 6,000 | – |
| EBS max IOPS | 6,000 | – |
| Instance details4 of 4 differ | db.r4.xlarge | db.r5.xlarge.tpc2.mem4x |
|---|---|---|
| Family | r4 | r5 |
| Category | – | Memory optimized |
| Current generation | – | Yes |
| Normalization factor | 8 | 64 |
| Other1 of 1 differ | db.r4.xlarge | db.r5.xlarge.tpc2.mem4x |
|---|---|---|
| Hardware Basis | r4.xlarge | – |
On-demand prices by region
Cheapest for db.r4.xlarge first. PostgreSQL, USD per hour.
| Region | db.r4.xlarge | db.r5.xlarge.tpc2.mem4x | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $0.5 | $1.864 | ▲ 273% |
| US East (Ohio)us-east-2 | $0.5 | $1.864 | ▲ 273% |
| US West (Oregon)us-west-2 | $0.5 | $1.864 | ▲ 273% |
| Canada (Central)ca-central-1 | $0.5405 | $2.048 | ▲ 279% |
| EU (Ireland)eu-west-1 | $0.56 | $2.062 | ▲ 268% |
| US West (N. California)us-west-1 | $0.56 | $2.054 | ▲ 267% |
| Asia Pacific (Mumbai)ap-south-1 | $0.57 | $2.104 | ▲ 269% |
| EU (London)eu-west-2 | $0.588 | $2.176 | ▲ 270% |
| EU (Paris)eu-west-3 | $0.588 | $2.166 | ▲ 268% |
| Asia Pacific (Osaka)ap-northeast-3 | $0.6 | $2.216 | ▲ 269% |
| Asia Pacific (Seoul)ap-northeast-2 | $0.6 | $2.216 | ▲ 269% |
| Asia Pacific (Singapore)ap-southeast-1 | $0.6 | $2.216 | ▲ 269% |
| Asia Pacific (Sydney)ap-southeast-2 | $0.6 | $2.211 | ▲ 268% |
| Asia Pacific (Tokyo)ap-northeast-1 | $0.6 | $2.216 | ▲ 269% |
| AWS GovCloud (US-East)us-gov-east-1 | $0.602 | $2.244 | ▲ 273% |
| AWS GovCloud (US-West)us-gov-west-1 | $0.602 | $2.243 | ▲ 273% |
| EU (Frankfurt)eu-central-1 | $0.61 | $2.256 | ▲ 270% |
| South America (Sao Paulo)sa-east-1 | $1.047 | $3.888 | ▲ 271% |
Keep exploring
Each type’s own page, and how it compares with others.
db.r5.xlarge.tpc2.mem4x
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AWS RDS PostgreSQL prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.