db.m6i.8xlargevsdb.m6in.8xlarge

db.m6i.8xlarge is 31% cheaper than db.m6in.8xlarge on demand in US East (N. Virginia), saving $936.59 a month.

At a glancedb.m6i.8xlargedb.m6in.8xlarge
On-demand$2.848/hr31% less$4.131/hr
Lowest rate$1.824/hr43% less1-yr reserved, no upfront$3.181/hr1-yr reserved, no upfront
Size32 vCPUs, 128 GiB32 vCPUs, 128 GiB

Prices in US East (N. Virginia)

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

Optiondb.m6i.8xlargedb.m6in.8xlargedb.m6in.8xlarge vs db.m6i.8xlarge
On-demandPay by the hour$2.848$4.131▲ 45%
1-yr reservedNo upfront36% off$1.82423% off$3.181▲ 74%

Key differences

The biggest lead each one has.

Where db.m6i.8xlarge leads
On-demand price$2.848 vs $4.131 per hour
31% cheaper
Where db.m6in.8xlarge leads
Network baseline50 Gbps vs 12.5 Gbps
4× higher
EBS baseline bandwidth25,000 Mbps vs 10,000 Mbps
2.5× higher

Specs

17 of 24 specs differ. Those are in bold.

Compute2 of 8 differdb.m6i.8xlargedb.m6in.8xlarge
vCPUs3232
Physical cores1616
Threads per core22
Architecturex86_64–
ProcessorIntel Xeon Scalable Ice Lake–
CPU makerIntelIntel
Sustained clock3.5 GHz3.5 GHz
BurstableNoNo
MemoryAll 1 matchdb.m6i.8xlargedb.m6in.8xlarge
Memory (GiB)128128
Networking3 of 3 differdb.m6i.8xlargedb.m6in.8xlarge
Network12.5 Gbps–
Network baseline12.5 Gbps50 Gbps
Network peak12.5 Gbps50 Gbps
Storage7 of 7 differdb.m6i.8xlargedb.m6in.8xlarge
StorageEBS 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 details4 of 4 differdb.m6i.8xlargedb.m6in.8xlarge
Familym6im6in
CategoryGeneral purpose–
Current generationYes–
Normalization factor–64
Other1 of 1 differdb.m6i.8xlargedb.m6in.8xlarge
Hardware Basism6i.8xlargem6in.8xlarge

On-demand prices by region

Cheapest for db.m6i.8xlarge first. PostgreSQL, USD per hour.

Regiondb.m6i.8xlargedb.m6in.8xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$2.848$4.131▲ 45%
US East (Ohio)us-east-2$2.848$4.131▲ 45%
US West (Oregon)us-west-2$2.848$4.131▲ 45%
EU (Stockholm)eu-north-1$2.992$8.781▲ 193%
EU (Ireland)eu-west-1$3.152$4.584▲ 45%
EU (Frankfurt)eu-central-1$3.392$9.787▲ 189%
Asia Pacific (Singapore)ap-southeast-1$3.952$10.134▲ 156%
Asia Pacific (Sydney)ap-southeast-2$3.952$10.412▲ 163%
Asia Pacific (Tokyo)ap-northeast-1$3.952$5.705▲ 44%

Keep exploring

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

db.m6i.8xlargeGeneral purpose, m6i family
db.m6i.8xlarge prices and specsEvery size in the m6i family

Compare db.m6i.8xlarge with

db.m6g.8xlargedb.r6i.8xlargedb.r6i.8xlarge.tpc2.mem3xdb.r6i.8xlarge.tpc2.mem4xdb.m6id.8xlargedb.m6idn.8xlargedb.m5.8xlargedb.m7i.8xlarge
db.m6in.8xlargem6in family
db.m6in.8xlarge prices and specsEvery size in the m6in family

Compare db.m6in.8xlarge with

db.r6in.8xlarge

Pay the committed rate, with commitment protection

The best committed rate on these two is 23–36% 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.