db.m6in.16xlargevsdb.r6in.16xlarge

db.m6in.16xlarge is 25% cheaper than db.r6in.16xlarge on demand in US East (N. Virginia), saving $2,049.11 a month.

At a glancedb.m6in.16xlargedb.r6in.16xlarge
On-demand$8.262/hr25% less$11.069/hr
Lowest rate$6.362/hr25% less1-yr reserved, no upfront$8.523/hr1-yr reserved, no upfront
Size64 vCPUs, 256 GiB64 vCPUs, 512 GiB

Prices in US East (N. Virginia)

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

Optiondb.m6in.16xlargedb.r6in.16xlargedb.r6in.16xlarge vs db.m6in.16xlarge
On-demandPay by the hour$8.262$11.069▲ 34%
1-yr reservedNo upfront23% off$6.36223% off$8.523▲ 34%

Key differences

The biggest lead each one has.

Where db.m6in.16xlarge leads
On-demand price$8.262 vs $11.069 per hour
25% cheaper
Where db.r6in.16xlarge leads
Memory (GiB)512 vs 256
2× higher

Specs

9 of 24 specs differ. Those are in bold.

Compute2 of 8 differdb.m6in.16xlargedb.r6in.16xlarge
vCPUs6464
Physical cores3232
Threads per core22
Architecturex86_64–
ProcessorIntel Xeon Scalable Ice Lake–
CPU makerIntelIntel
Sustained clock3.5 GHz3.5 GHz
BurstableNoNo
Memory1 of 1 differdb.m6in.16xlargedb.r6in.16xlarge
Memory (GiB)256512
Networking1 of 3 differdb.m6in.16xlargedb.r6in.16xlarge
Network100 Gbps–
Network baseline100 Gbps100 Gbps
Network peak100 Gbps100 Gbps
Storage1 of 7 differdb.m6in.16xlargedb.r6in.16xlarge
StorageEBS Only–
EBS baseline bandwidth50,000 Mbps50,000 Mbps
EBS max bandwidth50,000 Mbps50,000 Mbps
EBS baseline throughput6,250 MB/s6,250 MB/s
EBS max throughput6,250 MB/s6,250 MB/s
EBS baseline IOPS200,000200,000
EBS max IOPS200,000200,000
Instance details3 of 4 differdb.m6in.16xlargedb.r6in.16xlarge
Familym6inr6in
CategoryGeneral purpose–
Current generationYes–
Normalization factor128128
Other1 of 1 differdb.m6in.16xlargedb.r6in.16xlarge
Hardware Basism6in.16xlarger6in.16xlarge

On-demand prices by region

Cheapest for db.m6in.16xlarge first. PostgreSQL, USD per hour.

Regiondb.m6in.16xlargedb.r6in.16xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$8.262$11.069▲ 34%
US East (Ohio)us-east-2$8.262$11.069▲ 34%
US West (Oregon)us-west-2$8.262$11.069▲ 34%
EU (Ireland)eu-west-1$9.168$12.416▲ 35%
Asia Pacific (Tokyo)ap-northeast-1$11.41$13.375▲ 17%
EU (Stockholm)eu-north-1$17.561$22.074▲ 26%
EU (Frankfurt)eu-central-1$19.575$24.711▲ 26%
Asia Pacific (Singapore)ap-southeast-1$20.269$24.711▲ 22%
Asia Pacific (Sydney)ap-southeast-2$20.824$25.128▲ 21%

Keep exploring

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

db.m6in.16xlargeGeneral purpose, m6in family
db.m6in.16xlarge prices and specsEvery size in the m6in family

Compare db.m6in.16xlarge with

db.m6i.16xlarge
db.r6in.16xlarger6in family
db.r6in.16xlarge prices and specsEvery size in the r6in family

Compare db.r6in.16xlarge with

db.r6i.16xlarge

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.