db.r6i.8xlargevsdb.r6in.8xlarge

db.r6i.8xlarge is 28% cheaper than db.r6in.8xlarge on demand in US East (N. Virginia), saving $1,119.82 a month.

At a glancedb.r6i.8xlargedb.r6in.8xlarge
On-demand$4.00/hr28% less$5.534/hr
Lowest rate$2.31/hr46% less1-yr reserved, no upfront$4.261/hr1-yr reserved, no upfront
Size32 vCPUs, 256 GiB32 vCPUs, 256 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.8xlargedb.r6in.8xlargedb.r6in.8xlarge vs db.r6i.8xlarge
On-demandPay by the hour$4.00$5.534▲ 38%
1-yr reservedNo upfront42% off$2.3123% off$4.261▲ 84%

Key differences

The biggest lead each one has.

Where db.r6i.8xlarge leads
On-demand price$4.00 vs $5.534 per hour
28% cheaper
Where db.r6in.8xlarge leads
Network baseline50 Gbps vs 12.5 Gbps
4× higher
EBS baseline bandwidth25,000 Mbps vs 10,000 Mbps
2.5× higher

Specs

12 of 24 specs differ. Those are in bold.

ComputeAll 8 matchdb.r6i.8xlargedb.r6in.8xlarge
vCPUs3232
Physical cores1616
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.8xlargedb.r6in.8xlarge
Memory (GiB)256256
Networking3 of 3 differdb.r6i.8xlargedb.r6in.8xlarge
Network12.5 Gbps50 Gbps
Network baseline12.5 Gbps50 Gbps
Network peak12.5 Gbps50 Gbps
Storage6 of 7 differdb.r6i.8xlargedb.r6in.8xlarge
StorageEBS OnlyEBS Only
EBS baseline bandwidth10,000 Mbps25,000 Mbps
EBS max bandwidth10,000 Mbps25,000 Mbps
EBS baseline throughput1,250 MB/s3,125 MB/s
EBS max throughput1,250 MB/s3,125 MB/s
EBS baseline IOPS40,000100,000
EBS max IOPS40,000100,000
Instance details2 of 4 differdb.r6i.8xlargedb.r6in.8xlarge
Familyr6ir6in
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor–64
Other1 of 1 differdb.r6i.8xlargedb.r6in.8xlarge
Hardware Basisr6i.8xlarger6in.8xlarge

On-demand prices by region

Cheapest for db.r6i.8xlarge first. PostgreSQL, USD per hour.

Regiondb.r6i.8xlargedb.r6in.8xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$4.00$5.534▲ 38%
US East (Ohio)us-east-2$4.00$5.534▲ 38%
US West (Oregon)us-west-2$4.00$5.534▲ 38%
EU (Stockholm)eu-north-1$4.112$11.037▲ 168%
EU (Ireland)eu-west-1$4.48$6.208▲ 39%
Asia Pacific (Singapore)ap-southeast-1$4.80$12.356▲ 157%
Asia Pacific (Sydney)ap-southeast-2$4.80$12.564▲ 162%
Asia Pacific (Tokyo)ap-northeast-1$4.80$6.687▲ 39%
EU (Frankfurt)eu-central-1$4.88$12.356▲ 153%

Keep exploring

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

Pay the committed rate, with commitment protection

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