db.r6g.8xlargevsdb.r6i.8xlarge.tpc2.mem3x

db.r6g.8xlarge is 68% cheaper than db.r6i.8xlarge.tpc2.mem3x on demand in US East (N. Virginia), saving $5,538.51 a month.

At a glancedb.r6g.8xlargedb.r6i.8xlarge.tpc2.mem3x
On-demand$3.597/hr68% less$11.184/hr
Lowest rate$2.078/hr74% less1-yr reserved, no upfront$8.053/hr1-yr reserved, no upfront

Prices in US East (N. Virginia)

“Off” is the discount against each type’s own on-demand price. PostgreSQL, USD per hour.

Optiondb.r6g.8xlargedb.r6i.8xlarge.tpc2.mem3xdb.r6i.8xlarge.tpc2.mem3x vs db.r6g.8xlarge
On-demandPay by the hour$3.597$11.184▲ 211%
1-yr reservedNo upfront42% off$2.07828% off$8.053▲ 288%

Key differences

The biggest lead each one has.

Where db.r6g.8xlarge leads
On-demand price$3.597 vs $11.184 per hour
68% cheaper
Where db.r6i.8xlarge.tpc2.mem3x leads

No clear lead on the measures we compare.

Specs

24 of 24 specs differ. Those are in bold.

Compute8 of 8 differdb.r6g.8xlargedb.r6i.8xlarge.tpc2.mem3x
vCPUs32–
Physical cores32–
Threads per core1–
Architecturearm64–
ProcessorAWS Graviton2–
CPU makerAWS–
Sustained clock2.5 GHz–
BurstableNo–
Memory1 of 1 differdb.r6g.8xlargedb.r6i.8xlarge.tpc2.mem3x
Memory (GiB)256–
Networking3 of 3 differdb.r6g.8xlargedb.r6i.8xlarge.tpc2.mem3x
Network10 Gigabit–
Network baseline12 Gbps–
Network peak12 Gbps–
Storage7 of 7 differdb.r6g.8xlargedb.r6i.8xlarge.tpc2.mem3x
StorageEBS Only–
EBS baseline bandwidth9,500 Mbps–
EBS max bandwidth9,500 Mbps–
EBS baseline throughput1,187.5 MB/s–
EBS max throughput1,187.5 MB/s–
EBS baseline IOPS40,000–
EBS max IOPS40,000–
Instance details4 of 4 differdb.r6g.8xlargedb.r6i.8xlarge.tpc2.mem3x
Familyr6gr6i
CategoryMemory optimized–
Current generationYes–
Normalization factor128192
Other1 of 1 differdb.r6g.8xlargedb.r6i.8xlarge.tpc2.mem3x
Hardware Basisr6g.8xlarge–

On-demand prices by region

Cheapest for db.r6g.8xlarge first. PostgreSQL, USD per hour.

Regiondb.r6g.8xlargedb.r6i.8xlarge.tpc2.mem3xDifference
US East (N. Virginia)Used in summaryus-east-1$3.597$11.184▲ 211%
US East (Ohio)us-east-2$3.597$11.184▲ 211%
US West (Oregon)us-west-2$3.597$11.184▲ 211%
Asia Pacific (Malaysia)ap-southeast-5$3.68$12.24▲ 233%
EU (Stockholm)eu-north-1$3.698$11.76▲ 218%
Canada (Central)ca-central-1$3.889$12.288▲ 216%
Canada West (Calgary)ca-west-1$3.889$12.288▲ 216%
EU (Ireland)eu-west-1$4.028$12.374▲ 207%
US West (N. California)us-west-1$4.028$12.326▲ 206%
Europe (Spain)eu-south-2$4.032$12.384▲ 207%
Asia Pacific (Hyderabad)ap-south-2$4.096$12.624▲ 208%
Asia Pacific (Mumbai)ap-south-1$4.10$12.624▲ 208%
EU (Milan)eu-south-1$4.224$13.008▲ 208%
EU (Paris)eu-west-3$4.224$12.998▲ 208%
EU (London)eu-west-2$4.23$13.056▲ 209%
Israel (Tel Aviv)il-central-1$4.234$12.993▲ 207%
Asia Pacific (Osaka)ap-northeast-3$4.314$13.296▲ 208%
Asia Pacific (Jakarta)ap-southeast-3$4.316$13.296▲ 208%
Asia Pacific (Melbourne)ap-southeast-4$4.316$13.267▲ 207%
Asia Pacific (Seoul)ap-northeast-2$4.316$13.296▲ 208%
Asia Pacific (Singapore)ap-southeast-1$4.316$13.296▲ 208%
Asia Pacific (Sydney)ap-southeast-2$4.316$13.267▲ 207%
Asia Pacific (Tokyo)ap-northeast-1$4.316$13.296▲ 208%
AWS GovCloud (US-East)us-gov-east-1$4.317$13.464▲ 212%
AWS GovCloud (US-West)us-gov-west-1$4.317$13.44▲ 211%
EU (Frankfurt)eu-central-1$4.388$13.536▲ 208%
Middle East (Bahrain)me-south-1$4.431$13.632▲ 208%
Middle East (UAE)me-central-1$4.432$13.632▲ 208%
Asia Pacific (Hong Kong)ap-east-1$4.748$14.626▲ 208%
Africa (Cape Town)af-south-1$4.79$14.736▲ 208%
Europe (Zurich)eu-central-2$4.822$14.89▲ 209%
South America (Sao Paulo)sa-east-1$7.483$23.328▲ 212%

Keep exploring

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

db.r6g.8xlargeMemory optimized, r6g family
db.r6g.8xlarge prices and specsEvery size in the r6g family

Compare db.r6g.8xlarge with

db.m6g.8xlargedb.r6i.8xlargedb.r6i.8xlarge.tpc2.mem4xdb.r6gd.8xlargedb.r7g.8xlarge
db.r6i.8xlarge.tpc2.mem3xr6i family
db.r6i.8xlarge.tpc2.mem3x prices and specsEvery size in the r6i family

Compare db.r6i.8xlarge.tpc2.mem3x with

db.m6i.8xlargedb.r6id.8xlargedb.r6idn.8xlargedb.r6in.8xlargedb.r5.8xlargedb.r5.8xlarge.tpc2.mem3xdb.r7i.8xlargedb.r7i.8xlarge.tpc2.mem2xdb.r7i.8xlarge.tpc2.mem3x

Pay the committed rate, with commitment protection

The best committed rate on these two is 28–42% 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.