db.m6idn.largevsdb.r6idn.large

db.m6idn.large is 24% cheaper than db.r6idn.large on demand in US East (N. Virginia), saving $67.89 a month.

At a glancedb.m6idn.largedb.r6idn.large
On-demand$0.295/hr24% less$0.388/hr
Lowest rate$0.2272/hr24% less1-yr reserved, no upfront$0.2985/hr1-yr reserved, no upfront
Size2 vCPUs, 8 GiB2 vCPUs, 16 GiB
ProcessorIntel Xeon Scalable Ice LakeIntel Xeon Scalable Ice Lake
Architecturex86_64x86_64

Prices in US East (N. Virginia)

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

Optiondb.m6idn.largedb.r6idn.largedb.r6idn.large vs db.m6idn.large
On-demandPay by the hour$0.295$0.388▲ 32%
1-yr reservedNo upfront23% off$0.227223% off$0.2985▲ 31%

Key differences

The biggest lead each one has.

Where db.m6idn.large leads
On-demand price$0.295 vs $0.388 per hour
24% cheaper
Where db.r6idn.large leads
Memory (GiB)16 vs 8
2× higher

Specs

5 of 25 specs differ. Those are in bold.

ComputeAll 8 matchdb.m6idn.largedb.r6idn.large
vCPUs22
Physical cores11
Threads per core22
Architecturex86_64x86_64
ProcessorIntel Xeon Scalable Ice LakeIntel Xeon Scalable Ice Lake
CPU makerIntelIntel
Sustained clock3.5 GHz3.5 GHz
BurstableNoNo
Memory1 of 1 differdb.m6idn.largedb.r6idn.large
Memory (GiB)816
NetworkingAll 3 matchdb.m6idn.largedb.r6idn.large
NetworkUp to 25 GbpsUp to 25 Gbps
Network baseline3.125 Gbps3.125 Gbps
Network peak25 Gbps25 Gbps
StorageAll 8 matchdb.m6idn.largedb.r6idn.large
Storage1 x 118 NVMe SSD1 x 118 NVMe SSD
Local disks1 × 118 GB SSD1 × 118 GB SSD
EBS baseline bandwidth1,562 Mbps1,562 Mbps
EBS max bandwidth25,000 Mbps25,000 Mbps
EBS baseline throughput195.313 MB/s195.313 MB/s
EBS max throughput3,125 MB/s3,125 MB/s
EBS baseline IOPS6,2506,250
EBS max IOPS100,000100,000
Instance details3 of 4 differdb.m6idn.largedb.r6idn.large
Familym6idnr6idn
CategoryGeneral purposeMemory optimized
Current generationYesYes
Normalization factor128
Other1 of 1 differdb.m6idn.largedb.r6idn.large
Hardware Basism6idn.larger6idn.large

On-demand prices by region

Cheapest for db.m6idn.large first. PostgreSQL, USD per hour.

Regiondb.m6idn.largedb.r6idn.largeDifference
US East (N. Virginia)Used in summaryus-east-1$0.295$0.388▲ 32%
US East (Ohio)us-east-2$0.295$0.388▲ 32%
US West (Oregon)us-west-2$0.295$0.388▲ 32%
EU (Ireland)eu-west-1$0.327$0.432▲ 32%
Asia Pacific (Tokyo)ap-northeast-1$0.408$0.469▲ 15%

Keep exploring

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

db.m6idn.largeGeneral purpose, m6idn family
db.m6idn.large prices and specsEvery size in the m6idn family

Compare db.m6idn.large with

db.m6i.largedb.t3.largedb.t2.large
db.r6idn.largeMemory optimized, r6idn family
db.r6idn.large prices and specsEvery size in the r6idn family

Compare db.r6idn.large with

db.r6i.largedb.r6i.large.tpc1.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.

Connect AWS account

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