db.r4.2xlargevsdb.r5.2xlarge

db.r4.2xlarge and db.r5.2xlarge cost the same on demand in US East (N. Virginia), $1.00 per hour.

At a glancedb.r4.2xlargedb.r5.2xlarge
On-demand$1.00/hr$1.00/hr
Size8 vCPUs, 61 GiB8 vCPUs, 64 GiB

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.r5.2xlargedb.r5.2xlarge vs db.r4.2xlarge
On-demandPay by the hour$1.00$1.00Same
1-yr reservedNo upfront—42% off$0.5775—

Key differences

The biggest lead each one has.

Where db.r4.2xlarge leads

No clear lead on the measures we compare.

Where db.r5.2xlarge leads
EBS max bandwidth4,750 Mbps vs 1,700 Mbps
2.8× higher
Sustained clock3.1 GHz vs 2.3 GHz
35% higher
Memory (GiB)64 vs 61
5% higher

Specs

9 of 18 specs differ. Those are in bold.

Compute1 of 6 differdb.r4.2xlargedb.r5.2xlarge
vCPUs88
Physical cores44
Threads per core22
CPU makerIntelIntel
Sustained clock2.3 GHz3.1 GHz
BurstableNoNo
Memory1 of 1 differdb.r4.2xlargedb.r5.2xlarge
Memory (GiB)6164
NetworkingAll 2 matchdb.r4.2xlargedb.r5.2xlarge
Network baseline2.5 Gbps2.5 Gbps
Network peak10 Gbps10 Gbps
Storage5 of 6 differdb.r4.2xlargedb.r5.2xlarge
EBS baseline bandwidth1,700 Mbps2,300 Mbps
EBS max bandwidth1,700 Mbps4,750 Mbps
EBS baseline throughput212.5 MB/s287.5 MB/s
EBS max throughput212.5 MB/s593.75 MB/s
EBS baseline IOPS12,00012,000
EBS max IOPS12,00018,750
Instance details1 of 2 differdb.r4.2xlargedb.r5.2xlarge
Familyr4r5
Normalization factor1616
Other1 of 1 differdb.r4.2xlargedb.r5.2xlarge
Hardware Basisr4.2xlarger5.2xlarge

On-demand prices by region

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

Regiondb.r4.2xlargedb.r5.2xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$1.00$1.00Same
US East (Ohio)us-east-2$1.00$1.00Same
US West (Oregon)us-west-2$1.00$1.00Same
Canada (Central)ca-central-1$1.081$1.081Same
EU (Ireland)eu-west-1$1.12$1.12Same
US West (N. California)us-west-1$1.12$1.12Same
Asia Pacific (Mumbai)ap-south-1$1.14$1.14Same
EU (London)eu-west-2$1.176$1.176Same
EU (Paris)eu-west-3$1.176$1.176Same
Asia Pacific (Osaka)ap-northeast-3$1.20$1.20Same
Asia Pacific (Seoul)ap-northeast-2$1.20$1.20Same
Asia Pacific (Singapore)ap-southeast-1$1.20$1.20Same
Asia Pacific (Sydney)ap-southeast-2$1.20$1.20Same
Asia Pacific (Tokyo)ap-northeast-1$1.20$1.20Same
AWS GovCloud (US-East)us-gov-east-1$1.204$1.20Same
AWS GovCloud (US-West)us-gov-west-1$1.204$1.20Same
EU (Frankfurt)eu-central-1$1.22$1.22Same
South America (Sao Paulo)sa-east-1$2.094$2.094Same

Keep exploring

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

db.r4.2xlarger4 family
db.r4.2xlarge prices and specsEvery size in the r4 family

Compare db.r4.2xlarge with

db.m4.2xlargedb.r3.2xlargedb.r5.2xlarge.tpc1.mem2xdb.r5.2xlarge.tpc2.mem4xdb.r5.2xlarge.tpc2.mem8x
db.r5.2xlarger5 family
db.r5.2xlarge prices and specsEvery size in the r5 family

Compare db.r5.2xlarge with

db.m5.2xlargedb.r5d.2xlargedb.r5b.2xlargedb.r5b.2xlarge.tpc1.mem2xdb.r5b.2xlarge.tpc2.mem4xdb.r5b.2xlarge.tpc2.mem8xdb.r6i.2xlargedb.r6i.2xlarge.tpc1.mem2xdb.r6i.2xlarge.tpc2.mem4xdb.r6i.2xlarge.tpc2.mem8x

Pay the committed rate, with commitment protection

The best committed rate on these two is 0–42% below on-demand. Connect your cloud accounts to unlock greater savings with commitment protection.

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