db.r4.2xlargevsdb.r5.2xlarge.tpc2.mem4x

db.r4.2xlarge is 73% cheaper than db.r5.2xlarge.tpc2.mem4x on demand in US East (N. Virginia), saving $1,991.44 a month.

At a glancedb.r4.2xlargedb.r5.2xlarge.tpc2.mem4x
On-demand$1.00/hr73% less$3.728/hr

Prices in US East (N. Virginia)

“Off” is the discount against each type’s own on-demand price. PostgreSQL, USD per hour.

Optiondb.r4.2xlargedb.r5.2xlarge.tpc2.mem4xdb.r5.2xlarge.tpc2.mem4x vs db.r4.2xlarge
On-demandPay by the hour$1.00$3.728▲ 273%
1-yr reservedNo upfront—42% off$2.156—

Key differences

The biggest lead each one has.

Where db.r4.2xlarge leads
On-demand price$1.00 vs $3.728 per hour
73% cheaper
Where db.r5.2xlarge.tpc2.mem4x leads

No clear lead on the measures we compare.

Specs

18 of 18 specs differ. Those are in bold.

Compute6 of 6 differdb.r4.2xlargedb.r5.2xlarge.tpc2.mem4x
vCPUs8–
Physical cores4–
Threads per core2–
CPU makerIntel–
Sustained clock2.3 GHz–
BurstableNo–
Memory1 of 1 differdb.r4.2xlargedb.r5.2xlarge.tpc2.mem4x
Memory (GiB)61–
Networking2 of 2 differdb.r4.2xlargedb.r5.2xlarge.tpc2.mem4x
Network baseline2.5 Gbps–
Network peak10 Gbps–
Storage6 of 6 differdb.r4.2xlargedb.r5.2xlarge.tpc2.mem4x
EBS baseline bandwidth1,700 Mbps–
EBS max bandwidth1,700 Mbps–
EBS baseline throughput212.5 MB/s–
EBS max throughput212.5 MB/s–
EBS baseline IOPS12,000–
EBS max IOPS12,000–
Instance details2 of 2 differdb.r4.2xlargedb.r5.2xlarge.tpc2.mem4x
Familyr4r5
Normalization factor1664
Other1 of 1 differdb.r4.2xlargedb.r5.2xlarge.tpc2.mem4x
Hardware Basisr4.2xlarge–

On-demand prices by region

Cheapest for db.r4.2xlarge first. PostgreSQL, USD per hour.

Regiondb.r4.2xlargedb.r5.2xlarge.tpc2.mem4xDifference
US East (N. Virginia)Used in summaryus-east-1$1.00$3.728▲ 273%
US East (Ohio)us-east-2$1.00$3.728▲ 273%
US West (Oregon)us-west-2$1.00$3.728▲ 273%
Canada (Central)ca-central-1$1.081$4.096▲ 279%
EU (Ireland)eu-west-1$1.12$4.128▲ 269%
US West (N. California)us-west-1$1.12$4.112▲ 267%
Asia Pacific (Mumbai)ap-south-1$1.14$4.208▲ 269%
EU (London)eu-west-2$1.176$4.352▲ 270%
EU (Paris)eu-west-3$1.176$4.336▲ 269%
Asia Pacific (Osaka)ap-northeast-3$1.20$4.432▲ 269%
Asia Pacific (Seoul)ap-northeast-2$1.20$4.432▲ 269%
Asia Pacific (Singapore)ap-southeast-1$1.20$4.432▲ 269%
Asia Pacific (Sydney)ap-southeast-2$1.20$4.424▲ 269%
Asia Pacific (Tokyo)ap-northeast-1$1.20$4.432▲ 269%
AWS GovCloud (US-East)us-gov-east-1$1.204$4.488▲ 273%
AWS GovCloud (US-West)us-gov-west-1$1.204$4.488▲ 273%
EU (Frankfurt)eu-central-1$1.22$4.512▲ 270%
South America (Sao Paulo)sa-east-1$2.094$7.776▲ 271%

Keep exploring

Each type’s own page, and how it compares with others.

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AWS RDS PostgreSQL prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.