db.m6id.12xlargevsdb.r6id.12xlarge

db.m6id.12xlarge is 25% cheaper than db.r6id.12xlarge on demand in US East (N. Virginia), saving $1,296.48 a month.

At a glancedb.m6id.12xlargedb.r6id.12xlarge
On-demand$5.381/hr25% less$7.157/hr
Lowest rate$4.143/hr25% less1-yr reserved, no upfront$5.511/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.m6id.12xlargedb.r6id.12xlargedb.r6id.12xlarge vs db.m6id.12xlarge
On-demandPay by the hour$5.381$7.157▲ 33%
1-yr reservedNo upfront23% off$4.14323% off$5.511▲ 33%

Key differences

The biggest lead each one has.

Where db.m6id.12xlarge leads
On-demand price$5.381 vs $7.157 per hour
25% cheaper
Where db.r6id.12xlarge leads
Memory (GiB)384 vs 192
2× higher

Specs

10 of 25 specs differ. Those are in bold.

Compute2 of 8 differdb.m6id.12xlargedb.r6id.12xlarge
vCPUs4848
Physical cores2424
Threads per core22
Architecture–x86_64
Processor–Intel Xeon 8375
CPU makerIntelIntel
Sustained clock3.5 GHz3.5 GHz
BurstableNoNo
Memory1 of 1 differdb.m6id.12xlargedb.r6id.12xlarge
Memory (GiB)192384
Networking1 of 3 differdb.m6id.12xlargedb.r6id.12xlarge
Network–18.75 Gbps
Network baseline18.75 Gbps18.75 Gbps
Network peak18.75 Gbps18.75 Gbps
Storage1 of 8 differdb.m6id.12xlargedb.r6id.12xlarge
Storage–2 x 1425 NVMe SSD
Local disks2 × 1,425 GB SSD2 × 1,425 GB SSD
EBS baseline bandwidth15,000 Mbps15,000 Mbps
EBS max bandwidth15,000 Mbps15,000 Mbps
EBS baseline throughput1,875 MB/s1,875 MB/s
EBS max throughput1,875 MB/s1,875 MB/s
EBS baseline IOPS60,00060,000
EBS max IOPS60,00060,000
Instance details4 of 4 differdb.m6id.12xlargedb.r6id.12xlarge
Familym6idr6id
Category–Memory optimized
Current generation–Yes
Normalization factor96192
Other1 of 1 differdb.m6id.12xlargedb.r6id.12xlarge
Hardware Basism6id.12xlarger6id.12xlarge

On-demand prices by region

Cheapest for db.m6id.12xlarge first. PostgreSQL, USD per hour.

Regiondb.m6id.12xlargedb.r6id.12xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$5.381$7.157▲ 33%
US East (Ohio)us-east-2$5.381$7.157▲ 33%
US West (Oregon)us-west-2$5.381$7.157▲ 33%
Mexico (Central)mx-central-1$5.64$7.512▲ 33%
Canada West (Calgary)ca-west-1$5.914$7.867▲ 33%
EU (Ireland)eu-west-1$5.944$7.958▲ 34%
EU (Frankfurt)eu-central-1$6.431$8.684▲ 35%
Asia Pacific (Malaysia)ap-southeast-5$6.696$7.704▲ 15%
Asia Pacific (Thailand)ap-southeast-7$6.696$7.704▲ 15%
Asia Pacific (Taipei)ap-east-2$6.72$7.728▲ 15%
Asia Pacific (Tokyo)ap-northeast-1$7.456$8.584▲ 15%
Asia Pacific (Sydney)ap-southeast-2$7.482$8.659▲ 16%
Asia Pacific (New Zealand)ap-southeast-6$7.862$9.096▲ 16%

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% 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.