db.r6i.24xlargevsdb.r6idn.24xlarge

db.r6i.24xlarge is 36% cheaper than db.r6idn.24xlarge on demand in US East (N. Virginia), saving $4,823.84 a month.

At a glancedb.r6i.24xlargedb.r6idn.24xlarge
On-demand$12.00/hr36% less$18.608/hr
Lowest rate$6.931/hr52% less1-yr reserved, no upfront$14.328/hr1-yr reserved, no upfront
Size96 vCPUs, 768 GiB96 vCPUs, 768 GiB
ProcessorIntel Xeon Scalable Ice LakeIntel Xeon Scalable Ice Lake
Architecturex86_64x86_64

Prices in US East (N. Virginia)

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

Optiondb.r6i.24xlargedb.r6idn.24xlargedb.r6idn.24xlarge vs db.r6i.24xlarge
On-demandPay by the hour$12.00$18.608▲ 55%
1-yr reservedNo upfront42% off$6.93123% off$14.328▲ 107%

Key differences

The biggest lead each one has.

Where db.r6i.24xlarge leads
On-demand price$12.00 vs $18.608 per hour
36% cheaper
Where db.r6idn.24xlarge leads
Network baseline150 Gbps vs 37.5 Gbps
4× higher
EBS baseline bandwidth75,000 Mbps vs 30,000 Mbps
2.5× higher

Specs

14 of 25 specs differ. Those are in bold.

ComputeAll 8 matchdb.r6i.24xlargedb.r6idn.24xlarge
vCPUs9696
Physical cores4848
Threads per core22
Architecturex86_64x86_64
ProcessorIntel Xeon Scalable Ice LakeIntel Xeon Scalable Ice Lake
CPU makerIntelIntel
Sustained clock3.5 GHz3.5 GHz
BurstableNoNo
MemoryAll 1 matchdb.r6i.24xlargedb.r6idn.24xlarge
Memory (GiB)768768
Networking3 of 3 differdb.r6i.24xlargedb.r6idn.24xlarge
Network37.5 Gbps150 Gbps
Network baseline37.5 Gbps150 Gbps
Network peak37.5 Gbps150 Gbps
Storage8 of 8 differdb.r6i.24xlargedb.r6idn.24xlarge
StorageEBS Only4 x 1425 NVMe SSD
Local disks–4 × 1,425 GB SSD
EBS baseline bandwidth30,000 Mbps75,000 Mbps
EBS max bandwidth30,000 Mbps75,000 Mbps
EBS baseline throughput3,750 MB/s9,375 MB/s
EBS max throughput3,750 MB/s9,375 MB/s
EBS baseline IOPS120,000300,000
EBS max IOPS120,000300,000
Instance details2 of 4 differdb.r6i.24xlargedb.r6idn.24xlarge
Familyr6ir6idn
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor–384
Other1 of 1 differdb.r6i.24xlargedb.r6idn.24xlarge
Hardware Basisr6i.24xlarger6idn.24xlarge

On-demand prices by region

Cheapest for db.r6i.24xlarge first. PostgreSQL, USD per hour.

Regiondb.r6i.24xlargedb.r6idn.24xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$12.00$18.608▲ 55%
US East (Ohio)us-east-2$12.00$18.608▲ 55%
US West (Oregon)us-west-2$12.00$18.608▲ 55%
EU (Ireland)eu-west-1$13.44$20.743▲ 54%
Asia Pacific (Tokyo)ap-northeast-1$14.40$22.501▲ 56%

Keep exploring

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

db.r6idn.24xlargeMemory optimized, r6idn family
db.r6idn.24xlarge prices and specsEvery size in the r6idn family

Compare db.r6idn.24xlarge with

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.