db.r5.24xlargevsdb.r6i.24xlarge

db.r5.24xlarge and db.r6i.24xlarge cost the same on demand in US East (N. Virginia), $12.00 per hour.

At a glancedb.r5.24xlargedb.r6i.24xlarge
On-demand$12.00/hr$12.00/hr
Lowest rate$6.93/hr0% less1-yr reserved, no upfront$6.931/hr1-yr reserved, no upfront
Size96 vCPUs, 768 GiB96 vCPUs, 768 GiB

Prices in US East (N. Virginia)

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

Optiondb.r5.24xlargedb.r6i.24xlargedb.r6i.24xlarge vs db.r5.24xlarge
On-demandPay by the hour$12.00$12.00Same
1-yr reservedNo upfront42% off$6.9342% off$6.931Same

Key differences

The biggest lead each one has.

Where db.r5.24xlarge leads

No clear lead on the measures we compare.

Where db.r6i.24xlarge leads
EBS baseline bandwidth30,000 Mbps vs 19,000 Mbps
58% higher
Network baseline37.5 Gbps vs 25 Gbps
50% higher
Sustained clock3.5 GHz vs 3.1 GHz
13% higher

Specs

15 of 23 specs differ. Those are in bold.

Compute3 of 8 differdb.r5.24xlargedb.r6i.24xlarge
vCPUs9696
Physical cores4848
Threads per core22
Architecture–x86_64
Processor–Intel Xeon Scalable Ice Lake
CPU makerIntelIntel
Sustained clock3.1 GHz3.5 GHz
BurstableNoNo
MemoryAll 1 matchdb.r5.24xlargedb.r6i.24xlarge
Memory (GiB)768768
Networking3 of 3 differdb.r5.24xlargedb.r6i.24xlarge
Network–37.5 Gbps
Network baseline25 Gbps37.5 Gbps
Network peak25 Gbps37.5 Gbps
Storage6 of 7 differdb.r5.24xlargedb.r6i.24xlarge
StorageEBS OnlyEBS Only
EBS baseline bandwidth19,000 Mbps30,000 Mbps
EBS max bandwidth19,000 Mbps30,000 Mbps
EBS baseline throughput2,375 MB/s3,750 MB/s
EBS max throughput2,375 MB/s3,750 MB/s
EBS baseline IOPS80,000120,000
EBS max IOPS80,000120,000
Instance details2 of 3 differdb.r5.24xlargedb.r6i.24xlarge
Familyr5r6i
CategoryMemory optimizedMemory optimized
Current generation–Yes
Other1 of 1 differdb.r5.24xlargedb.r6i.24xlarge
Hardware Basisr5.24xlarger6i.24xlarge

On-demand prices by region

Cheapest for db.r5.24xlarge first. PostgreSQL, USD per hour.

Regiondb.r5.24xlargedb.r6i.24xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$12.00$12.00Same
US East (Ohio)us-east-2$12.00$12.00Same
US West (Oregon)us-west-2$12.00$12.00Same
EU (Stockholm)eu-north-1$12.343$12.336Same
Canada (Central)ca-central-1$12.972$12.974Same
EU (Ireland)eu-west-1$13.44$13.44Same
Europe (Spain)eu-south-2$13.44$19.968▲ 49%
US West (N. California)us-west-1$13.44$13.44Same
Asia Pacific (Hyderabad)ap-south-2$13.68$20.592▲ 51%
Asia Pacific (Mumbai)ap-south-1$13.68$13.68Same
Israel (Tel Aviv)il-central-1$14.11$14.11Same
EU (London)eu-west-2$14.112$14.112Same
EU (Milan)eu-south-1$14.112$14.112Same
EU (Paris)eu-west-3$14.112$14.112Same
Asia Pacific (Jakarta)ap-southeast-3$14.40$21.84▲ 52%
Asia Pacific (Melbourne)ap-southeast-4$14.40$21.84▲ 52%
Asia Pacific (Osaka)ap-northeast-3$14.40$14.40Same
Asia Pacific (Seoul)ap-northeast-2$14.40$14.40Same
Asia Pacific (Singapore)ap-southeast-1$14.40$14.40Same
Asia Pacific (Sydney)ap-southeast-2$14.40$14.40Same
Asia Pacific (Tokyo)ap-northeast-1$14.40$14.40Same
AWS GovCloud (US-East)us-gov-east-1$14.45$16.80▲ 16%
AWS GovCloud (US-West)us-gov-west-1$14.45$16.80▲ 16%
EU (Frankfurt)eu-central-1$14.64$14.64Same
Middle East (Bahrain)me-south-1$14.784$14.784Same
Middle East (UAE)me-central-1$14.784$21.965▲ 49%
Canada West (Calgary)ca-west-1$15.36$12.974▼ 16%
Asia Pacific (Hong Kong)ap-east-1$15.84$15.84Same
Africa (Cape Town)af-south-1$15.994$15.984Same
Europe (Zurich)eu-central-2$16.128$24.024▲ 49%
South America (Sao Paulo)sa-east-1$25.128$25.152Same

Keep exploring

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

db.r5.24xlargeMemory optimized, r5 family
db.r5.24xlarge prices and specsEvery size in the r5 family

Compare db.r5.24xlarge with

db.m5.24xlargedb.r5d.24xlargedb.r5b.24xlarge
db.r6i.24xlargeMemory optimized, r6i family
db.r6i.24xlarge prices and specsEvery size in the r6i family

Compare db.r6i.24xlarge with

db.m6i.24xlargedb.r6id.24xlargedb.r6idn.24xlargedb.r6in.24xlargedb.r7i.24xlarge

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