db.m6idn.12xlargevsdb.r6idn.12xlarge

db.m6idn.12xlarge is 24% cheaper than db.r6idn.12xlarge on demand in US East (N. Virginia), saving $1,623.52 a month.

At a glancedb.m6idn.12xlargedb.r6idn.12xlarge
On-demand$7.08/hr24% less$9.304/hr
Lowest rate$5.452/hr24% less1-yr reserved, no upfront$7.164/hr1-yr reserved, no upfront
Size48 vCPUs, 192 GiB48 vCPUs, 384 GiB

Prices in US East (N. Virginia)

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

Optiondb.m6idn.12xlargedb.r6idn.12xlargedb.r6idn.12xlarge vs db.m6idn.12xlarge
On-demandPay by the hour$7.08$9.304▲ 31%
1-yr reservedNo upfront23% off$5.45223% off$7.164▲ 31%

Key differences

The biggest lead each one has.

Where db.m6idn.12xlarge leads
On-demand price$7.08 vs $9.304 per hour
24% cheaper
Where db.r6idn.12xlarge leads
Memory (GiB)384 vs 192
2× higher

Specs

9 of 25 specs differ. Those are in bold.

Compute2 of 8 differdb.m6idn.12xlargedb.r6idn.12xlarge
vCPUs4848
Physical cores2424
Threads per core22
Architecture–x86_64
Processor–Intel Xeon Scalable Ice Lake
CPU makerIntelIntel
Sustained clock3.5 GHz3.5 GHz
BurstableNoNo
Memory1 of 1 differdb.m6idn.12xlargedb.r6idn.12xlarge
Memory (GiB)192384
Networking1 of 3 differdb.m6idn.12xlargedb.r6idn.12xlarge
Network–75 Gbps
Network baseline75 Gbps75 Gbps
Network peak75 Gbps75 Gbps
Storage1 of 8 differdb.m6idn.12xlargedb.r6idn.12xlarge
Storage–2 x 1425 NVMe SSD
Local disks2 × 1,425 GB SSD2 × 1,425 GB SSD
EBS baseline bandwidth37,500 Mbps37,500 Mbps
EBS max bandwidth37,500 Mbps37,500 Mbps
EBS baseline throughput4,687.5 MB/s4,687.5 MB/s
EBS max throughput4,687.5 MB/s4,687.5 MB/s
EBS baseline IOPS150,000150,000
EBS max IOPS150,000150,000
Instance details3 of 4 differdb.m6idn.12xlargedb.r6idn.12xlarge
Familym6idnr6idn
Category–Memory optimized
Current generation–Yes
Normalization factor9696
Other1 of 1 differdb.m6idn.12xlargedb.r6idn.12xlarge
Hardware Basism6idn.12xlarger6idn.12xlarge

On-demand prices by region

Cheapest for db.m6idn.12xlarge first. PostgreSQL, USD per hour.

Regiondb.m6idn.12xlargedb.r6idn.12xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$7.08$9.304▲ 31%
US East (Ohio)us-east-2$7.08$9.304▲ 31%
US West (Oregon)us-west-2$7.08$9.304▲ 31%
EU (Ireland)eu-west-1$7.858$10.372▲ 32%
Asia Pacific (Tokyo)ap-northeast-1$9.788$11.25▲ 15%

Keep exploring

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

db.m6idn.12xlargem6idn family
db.m6idn.12xlarge prices and specsEvery size in the m6idn family

Compare db.m6idn.12xlarge with

db.m6i.12xlarge
db.r6idn.12xlargeMemory optimized, r6idn family
db.r6idn.12xlarge prices and specsEvery size in the r6idn family

Compare db.r6idn.12xlarge with

db.r6i.12xlargedb.r6i.12xlarge.tpc2.mem2x

Pay the committed rate, with commitment protection

The best committed rate on these two is 23% 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.