db.r5.8xlargevsdb.r6i.8xlarge.tpc2.mem3x

db.r5.8xlarge is 64% cheaper than db.r6i.8xlarge.tpc2.mem3x on demand in US East (N. Virginia), saving $5,244.32 a month.

At a glancedb.r5.8xlargedb.r6i.8xlarge.tpc2.mem3x
On-demand$4.00/hr64% less$11.184/hr
Lowest rate$2.31/hr71% 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.r5.8xlargedb.r6i.8xlarge.tpc2.mem3xdb.r6i.8xlarge.tpc2.mem3x vs db.r5.8xlarge
On-demandPay by the hour$4.00$11.184▲ 180%
1-yr reservedNo upfront42% off$2.3128% off$8.053▲ 249%

Key differences

The biggest lead each one has.

Where db.r5.8xlarge leads
On-demand price$4.00 vs $11.184 per hour
64% cheaper
Where db.r6i.8xlarge.tpc2.mem3x leads

No clear lead on the measures we compare.

Specs

25 of 25 specs differ. Those are in bold.

Compute9 of 9 differdb.r5.8xlargedb.r6i.8xlarge.tpc2.mem3x
vCPUs32–
Physical cores16–
Threads per core2–
Architecturex86_64–
ProcessorIntel Xeon Platinum 8175–
CPU makerIntel–
Clock speedUp to 3.1 GHz–
Sustained clock3.1 GHz–
BurstableNo–
Memory1 of 1 differdb.r5.8xlargedb.r6i.8xlarge.tpc2.mem3x
Memory (GiB)256–
Networking3 of 3 differdb.r5.8xlargedb.r6i.8xlarge.tpc2.mem3x
Network10 Gigabit–
Network baseline10 Gbps–
Network peak10 Gbps–
Storage7 of 7 differdb.r5.8xlargedb.r6i.8xlarge.tpc2.mem3x
StorageEBS Only–
EBS baseline bandwidth6,800 Mbps–
EBS max bandwidth6,800 Mbps–
EBS baseline throughput850 MB/s–
EBS max throughput850 MB/s–
EBS baseline IOPS30,000–
EBS max IOPS30,000–
Instance details4 of 4 differdb.r5.8xlargedb.r6i.8xlarge.tpc2.mem3x
Familyr5r6i
CategoryMemory optimized–
Current generationYes–
Normalization factor–192
Other1 of 1 differdb.r5.8xlargedb.r6i.8xlarge.tpc2.mem3x
Hardware Basisr5.8xlarge–

On-demand prices by region

Cheapest for db.r5.8xlarge first. PostgreSQL, USD per hour.

Regiondb.r5.8xlargedb.r6i.8xlarge.tpc2.mem3xDifference
US East (N. Virginia)Used in summaryus-east-1$4.00$11.184▲ 180%
US East (Ohio)us-east-2$4.00$11.184▲ 180%
US West (Oregon)us-west-2$4.00$11.184▲ 180%
EU (Stockholm)eu-north-1$4.114$11.76▲ 186%
Canada (Central)ca-central-1$4.324$12.288▲ 184%
EU (Ireland)eu-west-1$4.48$12.374▲ 176%
Europe (Spain)eu-south-2$4.48$12.384▲ 176%
US West (N. California)us-west-1$4.48$12.326▲ 175%
Asia Pacific (Hyderabad)ap-south-2$4.56$12.624▲ 177%
Asia Pacific (Mumbai)ap-south-1$4.56$12.624▲ 177%
Israel (Tel Aviv)il-central-1$4.70$12.993▲ 176%
EU (London)eu-west-2$4.704$13.056▲ 178%
EU (Milan)eu-south-1$4.704$13.008▲ 177%
EU (Paris)eu-west-3$4.704$12.998▲ 176%
Asia Pacific (Jakarta)ap-southeast-3$4.80$13.296▲ 177%
Asia Pacific (Melbourne)ap-southeast-4$4.80$13.267▲ 176%
Asia Pacific (Osaka)ap-northeast-3$4.80$13.296▲ 177%
Asia Pacific (Seoul)ap-northeast-2$4.80$13.296▲ 177%
Asia Pacific (Singapore)ap-southeast-1$4.80$13.296▲ 177%
Asia Pacific (Sydney)ap-southeast-2$4.80$13.267▲ 176%
Asia Pacific (Tokyo)ap-northeast-1$4.80$13.296▲ 177%
AWS GovCloud (US-East)us-gov-east-1$4.82$13.464▲ 179%
AWS GovCloud (US-West)us-gov-west-1$4.82$13.44▲ 179%
EU (Frankfurt)eu-central-1$4.88$13.536▲ 177%
Middle East (Bahrain)me-south-1$4.928$13.632▲ 177%
Middle East (UAE)me-central-1$4.928$13.632▲ 177%
Canada West (Calgary)ca-west-1$5.12$12.288▲ 140%
Asia Pacific (Hong Kong)ap-east-1$5.28$14.626▲ 177%
Africa (Cape Town)af-south-1$5.331$14.736▲ 176%
Europe (Zurich)eu-central-2$5.376$14.89▲ 177%
South America (Sao Paulo)sa-east-1$8.376$23.328▲ 179%

Keep exploring

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

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AWS RDS PostgreSQL prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.