db.m6i.16xlargevsdb.m6id.16xlarge

db.m6i.16xlarge is 21% cheaper than db.m6id.16xlarge on demand in US East (N. Virginia), saving $1,078.94 a month.

At a glancedb.m6i.16xlargedb.m6id.16xlarge
On-demand$5.696/hr21% less$7.174/hr
Lowest rate$3.648/hr34% less1-yr reserved, no upfront$5.524/hr1-yr reserved, no upfront
Size64 vCPUs, 256 GiB64 vCPUs, 256 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.16xlargedb.m6id.16xlargedb.m6id.16xlarge vs db.m6i.16xlarge
On-demandPay by the hour$5.696$7.174▲ 26%
1-yr reservedNo upfront36% off$3.64823% off$5.524▲ 51%

Key differences

The biggest lead each one has.

Where db.m6i.16xlarge leads
On-demand price$5.696 vs $7.174 per hour
21% cheaper
Where db.m6id.16xlarge leads

No clear lead on the measures we compare.

Specs

10 of 25 specs differ. Those are in bold.

Compute2 of 8 differdb.m6i.16xlargedb.m6id.16xlarge
vCPUs6464
Physical cores3232
Threads per core22
Architecture–x86_64
Processor–Intel Xeon 8375
CPU makerIntelIntel
Sustained clock3.5 GHz3.5 GHz
BurstableNoNo
MemoryAll 1 matchdb.m6i.16xlargedb.m6id.16xlarge
Memory (GiB)256256
Networking1 of 3 differdb.m6i.16xlargedb.m6id.16xlarge
Network–25 Gbps
Network baseline25 Gbps25 Gbps
Network peak25 Gbps25 Gbps
Storage2 of 8 differdb.m6i.16xlargedb.m6id.16xlarge
Storage–2 x 1900 NVMe SSD
Local disks–2 × 1,900 GB SSD
EBS baseline bandwidth20,000 Mbps20,000 Mbps
EBS max bandwidth20,000 Mbps20,000 Mbps
EBS baseline throughput2,500 MB/s2,500 MB/s
EBS max throughput2,500 MB/s2,500 MB/s
EBS baseline IOPS80,00080,000
EBS max IOPS80,00080,000
Instance details4 of 4 differdb.m6i.16xlargedb.m6id.16xlarge
Familym6im6id
Category–General purpose
Current generation–Yes
Normalization factor128256
Other1 of 1 differdb.m6i.16xlargedb.m6id.16xlarge
Hardware Basism6i.16xlargem6id.16xlarge

On-demand prices by region

Cheapest for db.m6i.16xlarge first. PostgreSQL, USD per hour.

Regiondb.m6i.16xlargedb.m6id.16xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$5.696$7.174▲ 26%
US East (Ohio)us-east-2$5.696$7.174▲ 26%
US West (Oregon)us-west-2$5.696$7.174▲ 26%
Mexico (Central)mx-central-1$5.984$7.52▲ 26%
Canada West (Calgary)ca-west-1$6.272$7.885▲ 26%
EU (Ireland)eu-west-1$6.304$7.926▲ 26%
Asia Pacific (Malaysia)ap-southeast-5$6.72$8.928▲ 33%
Asia Pacific (Thailand)ap-southeast-7$6.72$8.928▲ 33%
EU (Frankfurt)eu-central-1$6.784$8.575▲ 26%
Asia Pacific (Taipei)ap-east-2$7.104$8.96▲ 26%
Asia Pacific (Sydney)ap-southeast-2$7.904$9.976▲ 26%
Asia Pacific (Tokyo)ap-northeast-1$7.904$9.941▲ 26%
Asia Pacific (New Zealand)ap-southeast-6$8.301$10.483▲ 26%

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.

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