db.r6i.xlargevsdb.r7i.xlarge

db.r6i.xlarge and db.r7i.xlarge cost the same on demand in US East (N. Virginia), $0.5 per hour.

At a glancedb.r6i.xlargedb.r7i.xlarge
On-demand$0.5/hr$0.5/hr
Lowest rate$0.2888/hr14% less1-yr reserved, no upfront$0.335/hr1-yr reserved, no upfront
Size4 vCPUs, 32 GiB4 vCPUs, 32 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.xlargedb.r7i.xlargedb.r7i.xlarge vs db.r6i.xlarge
On-demandPay by the hour$0.5$0.5Same
1-yr reservedNo upfront42% off$0.288833% off$0.335▲ 16%
1-yr savings planHourly commitment—20% off$0.4—

Key differences

The biggest lead each one has.

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

No clear lead on the measures we compare.

Specs

7 of 23 specs differ. Those are in bold.

Compute3 of 8 differdb.r6i.xlargedb.r7i.xlarge
vCPUs44
Physical cores22
Threads per core22
Architecture–x86_64
Processor–Intel Xeon Scalable (Sapphire Rapids 8488C)
CPU makerIntelIntel
Sustained clock3.5 GHz3.2 GHz
BurstableNoNo
MemoryAll 1 matchdb.r6i.xlargedb.r7i.xlarge
Memory (GiB)3232
Networking1 of 3 differdb.r6i.xlargedb.r7i.xlarge
Network–Up to 12.5 Gbps
Network baseline1.562 Gbps1.562 Gbps
Network peak12.5 Gbps12.5 Gbps
StorageAll 7 matchdb.r6i.xlargedb.r7i.xlarge
StorageEBS OnlyEBS Only
EBS baseline bandwidth1,250 Mbps1,250 Mbps
EBS max bandwidth10,000 Mbps10,000 Mbps
EBS baseline throughput156.25 MB/s156.25 MB/s
EBS max throughput1,250 MB/s1,250 MB/s
EBS baseline IOPS6,0006,000
EBS max IOPS40,00040,000
Instance details2 of 3 differdb.r6i.xlargedb.r7i.xlarge
Familyr6ir7i
CategoryMemory optimizedMemory optimized
Current generation–Yes
Other1 of 1 differdb.r6i.xlargedb.r7i.xlarge
Hardware Basisr6i.xlarger7i.xlarge

On-demand prices by region

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

Regiondb.r6i.xlargedb.r7i.xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$0.5$0.5Same
US East (Ohio)us-east-2$0.5$0.5Same
US West (Oregon)us-west-2$0.5$0.5Same
Asia Pacific (Malaysia)ap-southeast-5$0.51$0.51Same
Asia Pacific (Thailand)ap-southeast-7$0.51$0.594▲ 16%
EU (Stockholm)eu-north-1$0.514$0.514Same
Mexico (Central)mx-central-1$0.526$0.526Same
Asia Pacific (Taipei)ap-east-2$0.54$0.54Same
Canada (Central)ca-central-1$0.541$0.54Same
EU (Ireland)eu-west-1$0.56$0.56Same
US West (N. California)us-west-1$0.56$0.56Same
Asia Pacific (Mumbai)ap-south-1$0.57$0.57Same
EU (London)eu-west-2$0.588$0.588Same
EU (Milan)eu-south-1$0.588$0.588Same
EU (Paris)eu-west-3$0.588$0.588Same
Asia Pacific (Osaka)ap-northeast-3$0.6$0.7▲ 17%
Asia Pacific (Seoul)ap-northeast-2$0.6$0.6Same
Asia Pacific (Singapore)ap-southeast-1$0.6$0.6Same
Asia Pacific (Sydney)ap-southeast-2$0.6$0.6Same
Asia Pacific (Tokyo)ap-northeast-1$0.6$0.6Same
EU (Frankfurt)eu-central-1$0.61$0.61Same
Asia Pacific (New Zealand)ap-southeast-6$0.63$0.63Same
AWS GovCloud (US-East)us-gov-east-1$0.7$0.6▼ 14%
AWS GovCloud (US-West)us-gov-west-1$0.7$0.6▼ 14%
Europe (Spain)eu-south-2$0.832$0.56▼ 33%
Asia Pacific (Hyderabad)ap-south-2$0.858$0.66▼ 23%
Asia Pacific (Jakarta)ap-southeast-3$0.91$0.6▼ 34%
Asia Pacific (Melbourne)ap-southeast-4$0.91$0.7▼ 23%
South America (Sao Paulo)sa-east-1$1.048$0.795▼ 24%

Keep exploring

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

db.r6i.xlargeMemory optimized, r6i family
db.r6i.xlarge prices and specsEvery size in the r6i family

Compare db.r6i.xlarge with

db.m6i.xlargedb.r6g.xlargedb.r6id.xlargedb.r6idn.xlargedb.r6in.xlargedb.r5.xlargedb.r5.xlarge.tpc2.mem2xdb.r5.xlarge.tpc2.mem4xdb.r7i.xlarge.tpc2.mem2xdb.r7i.xlarge.tpc2.mem4x
db.r7i.xlargeMemory optimized, r7i family
db.r7i.xlarge prices and specsEvery size in the r7i family

Compare db.r7i.xlarge with

db.r7g.xlargedb.m7i.xlargedb.r6i.xlarge.tpc2.mem2xdb.r6i.xlarge.tpc2.mem4xdb.r8i.xlarge

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.