db.r6i.4xlargevsdb.r7i.4xlarge

db.r6i.4xlarge and db.r7i.4xlarge cost the same on demand in US East (N. Virginia), $2.00 per hour.

At a glancedb.r6i.4xlargedb.r7i.4xlarge
On-demand$2.00/hr$2.00/hr
Lowest rate$1.155/hr14% less1-yr reserved, no upfront$1.34/hr1-yr reserved, no upfront
Size16 vCPUs, 128 GiB16 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.

Optiondb.r6i.4xlargedb.r7i.4xlargedb.r7i.4xlarge vs db.r6i.4xlarge
On-demandPay by the hour$2.00$2.00Same
1-yr reservedNo upfront42% off$1.15533% off$1.34▲ 16%
1-yr savings planHourly commitment—20% off$1.60—

Key differences

The biggest lead each one has.

Where db.r6i.4xlarge leads
Sustained clock3.5 GHz vs 3.2 GHz
9% higher
Where db.r7i.4xlarge leads

No clear lead on the measures we compare.

Specs

4 of 18 specs differ. Those are in bold.

Compute1 of 6 differdb.r6i.4xlargedb.r7i.4xlarge
vCPUs1616
Physical cores88
Threads per core22
CPU makerIntelIntel
Sustained clock3.5 GHz3.2 GHz
BurstableNoNo
MemoryAll 1 matchdb.r6i.4xlargedb.r7i.4xlarge
Memory (GiB)128128
NetworkingAll 2 matchdb.r6i.4xlargedb.r7i.4xlarge
Network baseline6.25 Gbps6.25 Gbps
Network peak12.5 Gbps12.5 Gbps
StorageAll 6 matchdb.r6i.4xlargedb.r7i.4xlarge
EBS baseline bandwidth5,000 Mbps5,000 Mbps
EBS max bandwidth10,000 Mbps10,000 Mbps
EBS baseline throughput625 MB/s625 MB/s
EBS max throughput1,250 MB/s1,250 MB/s
EBS baseline IOPS20,00020,000
EBS max IOPS40,00040,000
Instance details2 of 2 differdb.r6i.4xlargedb.r7i.4xlarge
Familyr6ir7i
Normalization factor32–
Other1 of 1 differdb.r6i.4xlargedb.r7i.4xlarge
Hardware Basisr6i.4xlarger7i.4xlarge

On-demand prices by region

Cheapest for db.r6i.4xlarge first. PostgreSQL, USD per hour.

Regiondb.r6i.4xlargedb.r7i.4xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$2.00$2.00Same
US East (Ohio)us-east-2$2.00$2.00Same
US West (Oregon)us-west-2$2.00$2.00Same
Asia Pacific (Malaysia)ap-southeast-5$2.04$2.04Same
Asia Pacific (Thailand)ap-southeast-7$2.04$2.376▲ 16%
EU (Stockholm)eu-north-1$2.056$2.056Same
Mexico (Central)mx-central-1$2.104$2.104Same
Asia Pacific (Taipei)ap-east-2$2.16$2.16Same
Canada (Central)ca-central-1$2.162$2.16Same
EU (Ireland)eu-west-1$2.24$2.24Same
US West (N. California)us-west-1$2.24$2.24Same
Asia Pacific (Mumbai)ap-south-1$2.28$2.28Same
EU (London)eu-west-2$2.352$2.352Same
EU (Milan)eu-south-1$2.352$2.352Same
EU (Paris)eu-west-3$2.352$2.352Same
Asia Pacific (Osaka)ap-northeast-3$2.40$2.80▲ 17%
Asia Pacific (Seoul)ap-northeast-2$2.40$2.40Same
Asia Pacific (Singapore)ap-southeast-1$2.40$2.40Same
Asia Pacific (Sydney)ap-southeast-2$2.40$2.40Same
Asia Pacific (Tokyo)ap-northeast-1$2.40$2.40Same
EU (Frankfurt)eu-central-1$2.44$2.44Same
Asia Pacific (New Zealand)ap-southeast-6$2.52$2.52Same
AWS GovCloud (US-East)us-gov-east-1$2.80$2.40▼ 14%
AWS GovCloud (US-West)us-gov-west-1$2.80$2.40▼ 14%
Europe (Spain)eu-south-2$3.328$2.24▼ 33%
Asia Pacific (Hyderabad)ap-south-2$3.432$2.64▼ 23%
Asia Pacific (Jakarta)ap-southeast-3$3.64$2.40▼ 34%
Asia Pacific (Melbourne)ap-southeast-4$3.64$2.80▼ 23%
South America (Sao Paulo)sa-east-1$4.192$3.18▼ 24%

Keep exploring

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

Pay the committed rate, with commitment protection

The best committed rate on these two is 33–42% 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.