db.r7g.xlargevsdb.r7i.xlarge.tpc2.mem4x

db.r7g.xlarge is 76% cheaper than db.r7i.xlarge.tpc2.mem4x on demand in US East (N. Virginia), saving $1,111.06 a month.

At a glancedb.r7g.xlargedb.r7i.xlarge.tpc2.mem4x
On-demand$0.478/hr76% less$2.00/hr
Lowest rate$0.3682/hr73% less1-yr reserved, no upfront$1.34/hr1-yr reserved, no upfront
Size4 vCPUs, 32 GiB4 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.r7g.xlargedb.r7i.xlarge.tpc2.mem4xdb.r7i.xlarge.tpc2.mem4x vs db.r7g.xlarge
On-demandPay by the hour$0.478$2.00▲ 318%
1-yr reservedNo upfront23% off$0.368233% off$1.34▲ 264%
1-yr savings planHourly commitment20% off$0.382420% off$1.60▲ 318%

Key differences

The biggest lead each one has.

Where db.r7g.xlarge leads
On-demand price$0.478 vs $2.00 per hour
76% cheaper
Where db.r7i.xlarge.tpc2.mem4x leads
Memory (GiB)128 vs 32
4× higher

Specs

22 of 23 specs differ. Those are in bold.

Compute6 of 7 differdb.r7g.xlargedb.r7i.xlarge.tpc2.mem4x
vCPUs44
Physical cores4–
Threads per core1–
Architecturearm64–
CPU makerAWS–
Sustained clock2.6 GHz–
BurstableNo–
Memory1 of 1 differdb.r7g.xlargedb.r7i.xlarge.tpc2.mem4x
Memory (GiB)32128
Networking3 of 3 differdb.r7g.xlargedb.r7i.xlarge.tpc2.mem4x
Network–Up to 12.5 Gbps
Network baseline1.876 Gbps–
Network peak12.5 Gbps–
Storage7 of 7 differdb.r7g.xlargedb.r7i.xlarge.tpc2.mem4x
Storage–EBS Only
EBS baseline bandwidth1,250 Mbps–
EBS max bandwidth10,000 Mbps–
EBS baseline throughput156.25 MB/s–
EBS max throughput1,250 MB/s–
EBS baseline IOPS6,000–
EBS max IOPS40,000–
Instance details4 of 4 differdb.r7g.xlargedb.r7i.xlarge.tpc2.mem4x
Familyr7gr7i
Category–Memory optimized
Current generation–Yes
Normalization factor864
Other1 of 1 differdb.r7g.xlargedb.r7i.xlarge.tpc2.mem4x
Hardware Basisr7g.xlarge–

On-demand prices by region

Cheapest for db.r7g.xlarge first. PostgreSQL, USD per hour.

Regiondb.r7g.xlargedb.r7i.xlarge.tpc2.mem4xDifference
US East (N. Virginia)Used in summaryus-east-1$0.478$2.00▲ 318%
US East (Ohio)us-east-2$0.478$2.00▲ 318%
US West (Oregon)us-west-2$0.478$2.00▲ 318%
Asia Pacific (Malaysia)ap-southeast-5$0.488$2.04▲ 318%
Asia Pacific (Thailand)ap-southeast-7$0.488$2.04▲ 318%
EU (Stockholm)eu-north-1$0.4908$2.056▲ 319%
Mexico (Central)mx-central-1$0.502$2.104▲ 319%
Asia Pacific (Taipei)ap-east-2$0.516$2.16▲ 319%
Canada (Central)ca-central-1$0.5164$2.16▲ 318%
US West (N. California)us-west-1$0.5356$2.24▲ 318%
EU (Ireland)eu-west-1$0.536$2.24▲ 318%
Asia Pacific (Mumbai)ap-south-1$0.544$2.28▲ 319%
EU (London)eu-west-2$0.561$2.352▲ 319%
EU (Milan)eu-south-1$0.561$2.352▲ 319%
Asia Pacific (Seoul)ap-northeast-2$0.5738$2.40▲ 318%
Asia Pacific (Singapore)ap-southeast-1$0.574$2.40▲ 318%
Asia Pacific (Sydney)ap-southeast-2$0.574$2.40▲ 318%
Asia Pacific (Tokyo)ap-northeast-1$0.574$2.40▲ 318%
AWS GovCloud (US-East)us-gov-east-1$0.574$2.40▲ 318%
AWS GovCloud (US-West)us-gov-west-1$0.574$2.40▲ 318%
EU (Frankfurt)eu-central-1$0.582$2.44▲ 319%
EU (Paris)eu-west-3$0.636$2.352▲ 270%
South America (Sao Paulo)sa-east-1$0.76$3.18▲ 318%

Keep exploring

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

db.r7g.xlarger7g family
db.r7g.xlarge prices and specsEvery size in the r7g family

Compare db.r7g.xlarge with

db.m7g.xlargedb.r7i.xlargedb.r7i.xlarge.tpc2.mem2xdb.r6g.xlargedb.r8g.xlarge
db.r7i.xlarge.tpc2.mem4xMemory optimized, r7i family
db.r7i.xlarge.tpc2.mem4x prices and specsEvery size in the r7i family

Compare db.r7i.xlarge.tpc2.mem4x with

db.m7i.xlargedb.r6i.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 23–33% 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.