db.r6i.32xlargevsdb.r6idn.32xlarge

db.r6i.32xlarge is 36% cheaper than db.r6idn.32xlarge on demand in US East (N. Virginia), saving $6,431.30 a month.

At a glancedb.r6i.32xlargedb.r6idn.32xlarge
On-demand$16.00/hr36% less$24.81/hr
Lowest rate$9.242/hr52% less1-yr reserved, no upfront$19.104/hr1-yr reserved, no upfront
Size128 vCPUs, 1024 GiB128 vCPUs, 1024 GiB

Prices in US East (N. Virginia)

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

Optiondb.r6i.32xlargedb.r6idn.32xlargedb.r6idn.32xlarge vs db.r6i.32xlarge
On-demandPay by the hour$16.00$24.81▲ 55%
1-yr reservedNo upfront42% off$9.24223% off$19.104▲ 107%

Key differences

The biggest lead each one has.

Where db.r6i.32xlarge leads
On-demand price$16.00 vs $24.81 per hour
36% cheaper
Where db.r6idn.32xlarge leads
Network baseline400 Gbps vs 50 Gbps
8× higher
EBS baseline bandwidth100,000 Mbps vs 40,000 Mbps
2.5× higher

Specs

17 of 25 specs differ. Those are in bold.

Compute2 of 8 differdb.r6i.32xlargedb.r6idn.32xlarge
vCPUs128128
Physical cores6464
Threads per core22
Architecture–x86_64
Processor–Intel Xeon Scalable Ice Lake
CPU makerIntelIntel
Sustained clock3.5 GHz3.5 GHz
BurstableNoNo
MemoryAll 1 matchdb.r6i.32xlargedb.r6idn.32xlarge
Memory (GiB)1,0241,024
Networking3 of 3 differdb.r6i.32xlargedb.r6idn.32xlarge
Network–200 Gbps
Network baseline50 Gbps400 Gbps
Network peak50 Gbps400 Gbps
Storage8 of 8 differdb.r6i.32xlargedb.r6idn.32xlarge
Storage–4 x 1900 NVMe SSD
Local disks–4 × 1,900 GB SSD
EBS baseline bandwidth40,000 Mbps100,000 Mbps
EBS max bandwidth40,000 Mbps100,000 Mbps
EBS baseline throughput5,000 MB/s12,500 MB/s
EBS max throughput5,000 MB/s12,500 MB/s
EBS baseline IOPS160,000400,000
EBS max IOPS160,000400,000
Instance details3 of 4 differdb.r6i.32xlargedb.r6idn.32xlarge
Familyr6ir6idn
Category–Memory optimized
Current generation–Yes
Normalization factor256256
Other1 of 1 differdb.r6i.32xlargedb.r6idn.32xlarge
Hardware Basisr6i.32xlarger6idn.32xlarge

On-demand prices by region

Cheapest for db.r6i.32xlarge first. PostgreSQL, USD per hour.

Regiondb.r6i.32xlargedb.r6idn.32xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$16.00$24.81▲ 55%
US East (Ohio)us-east-2$16.00$24.81▲ 55%
US West (Oregon)us-west-2$16.00$24.81▲ 55%
EU (Ireland)eu-west-1$17.92$27.658▲ 54%
Asia Pacific (Tokyo)ap-northeast-1$19.20$30.001▲ 56%

Keep exploring

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

db.r6i.32xlarger6i family
db.r6i.32xlarge prices and specsEvery size in the r6i family

Compare db.r6i.32xlarge with

db.m6i.32xlargedb.r6id.32xlargedb.r6in.32xlargedb.r8i.32xlarge
db.r6idn.32xlargeMemory optimized, r6idn family
db.r6idn.32xlarge prices and specsEvery size in the r6idn family

Compare db.r6idn.32xlarge with

db.m6idn.32xlarge

Pay the committed rate, with commitment protection

The best committed rate on these two is 23–42% 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.