db.m5.12xlargevsdb.m6i.12xlarge

db.m5.12xlarge and db.m6i.12xlarge cost the same on demand in US East (N. Virginia), $4.272 per hour.

At a glancedb.m5.12xlargedb.m6i.12xlarge
On-demand$4.272/hr$4.272/hr
Lowest rate$2.736/hr1-yr reserved, no upfront$2.736/hr0% less1-yr reserved, no upfront
Size48 vCPUs, 192 GiB48 vCPUs, 192 GiB

Prices in US East (N. Virginia)

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

Optiondb.m5.12xlargedb.m6i.12xlargedb.m6i.12xlarge vs db.m5.12xlarge
On-demandPay by the hour$4.272$4.272Same
1-yr reservedNo upfront36% off$2.73636% off$2.736Same

Key differences

The biggest lead each one has.

Where db.m5.12xlarge leads

No clear lead on the measures we compare.

Where db.m6i.12xlarge leads
EBS baseline bandwidth15,000 Mbps vs 9,500 Mbps
58% higher
Network baseline18.75 Gbps vs 12 Gbps
56% higher
Sustained clock3.5 GHz vs 3.1 GHz
13% higher

Specs

14 of 20 specs differ. Those are in bold.

Compute1 of 6 differdb.m5.12xlargedb.m6i.12xlarge
vCPUs4848
Physical cores2424
Threads per core22
CPU makerIntelIntel
Sustained clock3.1 GHz3.5 GHz
BurstableNoNo
MemoryAll 1 matchdb.m5.12xlargedb.m6i.12xlarge
Memory (GiB)192192
Networking2 of 2 differdb.m5.12xlargedb.m6i.12xlarge
Network baseline12 Gbps18.75 Gbps
Network peak12 Gbps18.75 Gbps
Storage7 of 7 differdb.m5.12xlargedb.m6i.12xlarge
StorageEBS Only–
EBS baseline bandwidth9,500 Mbps15,000 Mbps
EBS max bandwidth9,500 Mbps15,000 Mbps
EBS baseline throughput1,187.5 MB/s1,875 MB/s
EBS max throughput1,187.5 MB/s1,875 MB/s
EBS baseline IOPS40,00060,000
EBS max IOPS40,00060,000
Instance details3 of 3 differdb.m5.12xlargedb.m6i.12xlarge
Familym5m6i
CategoryGeneral purpose–
Normalization factor–96
Other1 of 1 differdb.m5.12xlargedb.m6i.12xlarge
Hardware Basism5.12xlargem6i.12xlarge

On-demand prices by region

Cheapest for db.m5.12xlarge first. PostgreSQL, USD per hour.

Regiondb.m5.12xlargedb.m6i.12xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$4.272$4.272Same
US East (Ohio)us-east-2$4.272$4.272Same
US West (Oregon)us-west-2$4.272$4.272Same
EU (Stockholm)eu-north-1$4.492$4.488Same
Canada (Central)ca-central-1$4.704$4.704Same
EU (Ireland)eu-west-1$4.728$4.728Same
Europe (Spain)eu-south-2$4.728$4.728Same
US West (N. California)us-west-1$4.872$4.872Same
EU (London)eu-west-2$4.944$4.944Same
EU (Paris)eu-west-3$4.944$4.944Same
EU (Milan)eu-south-1$4.964$4.962Same
Israel (Tel Aviv)il-central-1$4.964$4.964Same
EU (Frankfurt)eu-central-1$5.088$5.088Same
AWS GovCloud (US-East)us-gov-east-1$5.11$5.04▼ 1%
AWS GovCloud (US-West)us-gov-west-1$5.11$5.04▼ 1%
Middle East (Bahrain)me-south-1$5.201$5.208Same
Middle East (UAE)me-central-1$5.208$4.992▼ 4%
South America (Sao Paulo)sa-east-1$5.592$5.592Same
Europe (Zurich)eu-central-2$5.597$5.592Same
Africa (Cape Town)af-south-1$5.626$5.616Same
Asia Pacific (Jakarta)ap-southeast-3$5.928$5.928Same
Asia Pacific (Seoul)ap-northeast-2$5.928$5.928Same
Asia Pacific (Singapore)ap-southeast-1$5.928$5.928Same
Asia Pacific (Sydney)ap-southeast-2$5.928$5.928Same
Asia Pacific (Tokyo)ap-northeast-1$5.928$5.928Same
Asia Pacific (Hyderabad)ap-south-2$6.072$6.072Same
Asia Pacific (Mumbai)ap-south-1$6.072$6.072Same
Asia Pacific (Osaka)ap-northeast-3$6.221$6.216Same
Asia Pacific (Hong Kong)ap-east-1$6.521$6.521Same

Keep exploring

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

db.m5.12xlargeGeneral purpose, m5 family
db.m5.12xlarge prices and specsEvery size in the m5 family

Compare db.m5.12xlarge with

db.m5d.12xlargedb.r5.12xlargedb.r5.12xlarge.tpc2.mem2x
db.m6i.12xlargem6i family
db.m6i.12xlarge prices and specsEvery size in the m6i family

Compare db.m6i.12xlarge with

db.m6g.12xlargedb.r6i.12xlargedb.m6id.12xlargedb.m6idn.12xlargedb.m6in.12xlargedb.r6i.12xlarge.tpc2.mem2xdb.m7i.12xlarge

Pay the committed rate, with commitment protection

The best committed rate on these two is 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.