db.r7g.2xlargevsdb.r7i.2xlarge.tpc2.mem4x

db.r7g.2xlarge is 76% cheaper than db.r7i.2xlarge.tpc2.mem4x on demand in US East (N. Virginia), saving $2,222.12 a month.

At a glancedb.r7g.2xlargedb.r7i.2xlarge.tpc2.mem4x
On-demand$0.956/hr76% less$4.00/hr
Lowest rate$0.7363/hr73% less1-yr reserved, no upfront$2.68/hr1-yr reserved, no upfront
Size8 vCPUs, 64 GiB8 vCPUs, 256 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.2xlargedb.r7i.2xlarge.tpc2.mem4xdb.r7i.2xlarge.tpc2.mem4x vs db.r7g.2xlarge
On-demandPay by the hour$0.956$4.00▲ 318%
1-yr reservedNo upfront23% off$0.736333% off$2.68▲ 264%
1-yr savings planHourly commitment20% off$0.764820% off$3.20▲ 318%

Key differences

The biggest lead each one has.

Where db.r7g.2xlarge leads
On-demand price$0.956 vs $4.00 per hour
76% cheaper
Where db.r7i.2xlarge.tpc2.mem4x leads
Memory (GiB)256 vs 64
4× higher

Specs

20 of 24 specs differ. Those are in bold.

Compute7 of 8 differdb.r7g.2xlargedb.r7i.2xlarge.tpc2.mem4x
vCPUs88
Physical cores8–
Threads per core1–
Architecturearm64–
ProcessorAWS Graviton3–
CPU makerAWS–
Sustained clock2.6 GHz–
BurstableNo–
Memory1 of 1 differdb.r7g.2xlargedb.r7i.2xlarge.tpc2.mem4x
Memory (GiB)64256
Networking3 of 3 differdb.r7g.2xlargedb.r7i.2xlarge.tpc2.mem4x
NetworkUp to 15 Gigabit12.5 Gbps
Network baseline3.75 Gbps–
Network peak15 Gbps–
Storage6 of 7 differdb.r7g.2xlargedb.r7i.2xlarge.tpc2.mem4x
StorageEBS OnlyEBS Only
EBS baseline bandwidth2,500 Mbps–
EBS max bandwidth10,000 Mbps–
EBS baseline throughput312.5 MB/s–
EBS max throughput1,250 MB/s–
EBS baseline IOPS12,000–
EBS max IOPS40,000–
Instance details2 of 4 differdb.r7g.2xlargedb.r7i.2xlarge.tpc2.mem4x
Familyr7gr7i
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor16128
Other1 of 1 differdb.r7g.2xlargedb.r7i.2xlarge.tpc2.mem4x
Hardware Basisr7g.2xlarge–

On-demand prices by region

Cheapest for db.r7g.2xlarge first. PostgreSQL, USD per hour.

Regiondb.r7g.2xlargedb.r7i.2xlarge.tpc2.mem4xDifference
US East (N. Virginia)Used in summaryus-east-1$0.956$4.00▲ 318%
US East (Ohio)us-east-2$0.956$4.00▲ 318%
US West (Oregon)us-west-2$0.956$4.00▲ 318%
Asia Pacific (Malaysia)ap-southeast-5$0.976$4.08▲ 318%
Asia Pacific (Thailand)ap-southeast-7$0.976$4.08▲ 318%
EU (Stockholm)eu-north-1$0.9816$4.112▲ 319%
Mexico (Central)mx-central-1$1.004$4.208▲ 319%
Asia Pacific (Taipei)ap-east-2$1.032$4.32▲ 319%
Canada (Central)ca-central-1$1.033$4.32▲ 318%
EU (Ireland)eu-west-1$1.071$4.48▲ 318%
US West (N. California)us-west-1$1.071$4.48▲ 318%
Asia Pacific (Mumbai)ap-south-1$1.088$4.56▲ 319%
EU (London)eu-west-2$1.122$4.704▲ 319%
EU (Milan)eu-south-1$1.122$4.704▲ 319%
Asia Pacific (Seoul)ap-northeast-2$1.148$4.80▲ 318%
Asia Pacific (Singapore)ap-southeast-1$1.148$4.80▲ 318%
Asia Pacific (Sydney)ap-southeast-2$1.148$4.80▲ 318%
Asia Pacific (Tokyo)ap-northeast-1$1.148$4.80▲ 318%
AWS GovCloud (US-East)us-gov-east-1$1.148$4.80▲ 318%
AWS GovCloud (US-West)us-gov-west-1$1.148$4.80▲ 318%
EU (Frankfurt)eu-central-1$1.165$4.88▲ 319%
EU (Paris)eu-west-3$1.272$4.704▲ 270%
South America (Sao Paulo)sa-east-1$1.52$6.36▲ 318%

Keep exploring

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

db.r7g.2xlargeMemory optimized, r7g family
db.r7g.2xlarge prices and specsEvery size in the r7g family

Compare db.r7g.2xlarge with

db.m7g.2xlargedb.r7i.2xlargedb.r7i.2xlarge.tpc2.mem8xdb.r6g.2xlargedb.r8g.2xlarge
db.r7i.2xlarge.tpc2.mem4xMemory optimized, r7i family
db.r7i.2xlarge.tpc2.mem4x prices and specsEvery size in the r7i family

Compare db.r7i.2xlarge.tpc2.mem4x with

db.m7i.2xlargedb.r6i.2xlargedb.r6i.2xlarge.tpc1.mem2xdb.r6i.2xlarge.tpc2.mem4xdb.r6i.2xlarge.tpc2.mem8xdb.r8i.2xlarge

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.