db.r5.2xlargevsdb.r6i.2xlarge.tpc2.mem4x

db.r5.2xlarge is 73% cheaper than db.r6i.2xlarge.tpc2.mem4x on demand in US East (N. Virginia), saving $1,991.44 a month.

At a glancedb.r5.2xlargedb.r6i.2xlarge.tpc2.mem4x
On-demand$1.00/hr73% less$3.728/hr
Lowest rate$0.5775/hr78% less1-yr reserved, no upfront$2.684/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.r5.2xlargedb.r6i.2xlarge.tpc2.mem4xdb.r6i.2xlarge.tpc2.mem4x vs db.r5.2xlarge
On-demandPay by the hour$1.00$3.728▲ 273%
1-yr reservedNo upfront42% off$0.577528% off$2.684▲ 365%

Key differences

The biggest lead each one has.

Where db.r5.2xlarge leads
On-demand price$1.00 vs $3.728 per hour
73% cheaper
Where db.r6i.2xlarge.tpc2.mem4x leads
Memory (GiB)256 vs 64
4× higher

Specs

23 of 24 specs differ. Those are in bold.

Compute7 of 8 differdb.r5.2xlargedb.r6i.2xlarge.tpc2.mem4x
vCPUs88
Physical cores4–
Threads per core2–
Architecture–x86_64
Processor–Intel Xeon Scalable Ice Lake
CPU makerIntel–
Sustained clock3.1 GHz–
BurstableNo–
Memory1 of 1 differdb.r5.2xlargedb.r6i.2xlarge.tpc2.mem4x
Memory (GiB)64256
Networking3 of 3 differdb.r5.2xlargedb.r6i.2xlarge.tpc2.mem4x
Network–12.5 Gbps
Network baseline2.5 Gbps–
Network peak10 Gbps–
Storage7 of 7 differdb.r5.2xlargedb.r6i.2xlarge.tpc2.mem4x
Storage–EBS Only
EBS baseline bandwidth2,300 Mbps–
EBS max bandwidth4,750 Mbps–
EBS baseline throughput287.5 MB/s–
EBS max throughput593.75 MB/s–
EBS baseline IOPS12,000–
EBS max IOPS18,750–
Instance details4 of 4 differdb.r5.2xlargedb.r6i.2xlarge.tpc2.mem4x
Familyr5r6i
Category–Memory optimized
Current generation–Yes
Normalization factor16128
Other1 of 1 differdb.r5.2xlargedb.r6i.2xlarge.tpc2.mem4x
Hardware Basisr5.2xlarge–

On-demand prices by region

Cheapest for db.r5.2xlarge first. PostgreSQL, USD per hour.

Regiondb.r5.2xlargedb.r6i.2xlarge.tpc2.mem4xDifference
US East (N. Virginia)Used in summaryus-east-1$1.00$3.728▲ 273%
US East (Ohio)us-east-2$1.00$3.728▲ 273%
US West (Oregon)us-west-2$1.00$3.728▲ 273%
EU (Stockholm)eu-north-1$1.028$3.92▲ 281%
Canada (Central)ca-central-1$1.081$4.096▲ 279%
EU (Ireland)eu-west-1$1.12$4.128▲ 269%
Europe (Spain)eu-south-2$1.12$4.128▲ 269%
US West (N. California)us-west-1$1.12$4.112▲ 267%
Asia Pacific (Hyderabad)ap-south-2$1.14$4.208▲ 269%
Asia Pacific (Mumbai)ap-south-1$1.14$4.208▲ 269%
EU (London)eu-west-2$1.176$4.352▲ 270%
EU (Milan)eu-south-1$1.176$4.336▲ 269%
EU (Paris)eu-west-3$1.176$4.336▲ 269%
Israel (Tel Aviv)il-central-1$1.18$4.334▲ 267%
Asia Pacific (Jakarta)ap-southeast-3$1.20$4.432▲ 269%
Asia Pacific (Melbourne)ap-southeast-4$1.20$4.424▲ 269%
Asia Pacific (Osaka)ap-northeast-3$1.20$4.432▲ 269%
Asia Pacific (Seoul)ap-northeast-2$1.20$4.432▲ 269%
Asia Pacific (Singapore)ap-southeast-1$1.20$4.432▲ 269%
Asia Pacific (Sydney)ap-southeast-2$1.20$4.424▲ 269%
Asia Pacific (Tokyo)ap-northeast-1$1.20$4.432▲ 269%
AWS GovCloud (US-East)us-gov-east-1$1.20$4.488▲ 274%
AWS GovCloud (US-West)us-gov-west-1$1.20$4.48▲ 273%
EU (Frankfurt)eu-central-1$1.22$4.512▲ 270%
Middle East (Bahrain)me-south-1$1.232$4.544▲ 269%
Middle East (UAE)me-central-1$1.232$4.544▲ 269%
Canada West (Calgary)ca-west-1$1.28$4.096▲ 220%
Asia Pacific (Hong Kong)ap-east-1$1.32$4.875▲ 269%
Africa (Cape Town)af-south-1$1.333$4.912▲ 268%
Europe (Zurich)eu-central-2$1.344$4.963▲ 269%
South America (Sao Paulo)sa-east-1$2.094$7.776▲ 271%

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.