db.m6i.largevsdb.m6idn.large

db.m6i.large is 40% cheaper than db.m6idn.large on demand in US East (N. Virginia), saving $85.41 a month.

At a glancedb.m6i.largedb.m6idn.large
On-demand$0.178/hr40% less$0.295/hr
Lowest rate$0.114/hr50% less1-yr reserved, no upfront$0.2272/hr1-yr reserved, no upfront
Size2 vCPUs, 8 GiB2 vCPUs, 8 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.largedb.m6idn.largedb.m6idn.large vs db.m6i.large
On-demandPay by the hour$0.178$0.295▲ 66%
1-yr reservedNo upfront36% off$0.11423% off$0.2272▲ 99%

Key differences

The biggest lead each one has.

Where db.m6i.large leads
On-demand price$0.178 vs $0.295 per hour
40% cheaper
Where db.m6idn.large leads
Network baseline3.125 Gbps vs 0.781 Gbps
4× higher
EBS max bandwidth25,000 Mbps vs 10,000 Mbps
2.5× higher

Specs

17 of 25 specs differ. Those are in bold.

Compute2 of 8 differdb.m6i.largedb.m6idn.large
vCPUs22
Physical cores11
Threads per core22
Architecture–x86_64
Processor–Intel Xeon Scalable Ice Lake
CPU makerIntelIntel
Sustained clock3.5 GHz3.5 GHz
BurstableNoNo
MemoryAll 1 matchdb.m6i.largedb.m6idn.large
Memory (GiB)88
Networking3 of 3 differdb.m6i.largedb.m6idn.large
Network–Up to 25 Gbps
Network baseline0.781 Gbps3.125 Gbps
Network peak12.5 Gbps25 Gbps
Storage8 of 8 differdb.m6i.largedb.m6idn.large
StorageEBS Only1 x 118 NVMe SSD
Local disks–1 × 118 GB SSD
EBS baseline bandwidth650 Mbps1,562 Mbps
EBS max bandwidth10,000 Mbps25,000 Mbps
EBS baseline throughput81.25 MB/s195.313 MB/s
EBS max throughput1,250 MB/s3,125 MB/s
EBS baseline IOPS3,6006,250
EBS max IOPS40,000100,000
Instance details3 of 4 differdb.m6i.largedb.m6idn.large
Familym6im6idn
CategoryGeneral purposeGeneral purpose
Current generation–Yes
Normalization factor812
Other1 of 1 differdb.m6i.largedb.m6idn.large
Hardware Basism6i.largem6idn.large

On-demand prices by region

Cheapest for db.m6i.large first. PostgreSQL, USD per hour.

Regiondb.m6i.largedb.m6idn.largeDifference
US East (N. Virginia)Used in summaryus-east-1$0.178$0.295▲ 66%
US East (Ohio)us-east-2$0.178$0.295▲ 66%
US West (Oregon)us-west-2$0.178$0.295▲ 66%
EU (Ireland)eu-west-1$0.197$0.327▲ 66%
Asia Pacific (Tokyo)ap-northeast-1$0.247$0.408▲ 65%

Keep exploring

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

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.

Connect AWS account

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