db.m6idn.xlargevsdb.r6idn.xlarge

db.m6idn.xlarge is 24% cheaper than db.r6idn.xlarge on demand in US East (N. Virginia), saving $135.05 a month.

At a glancedb.m6idn.xlargedb.r6idn.xlarge
On-demand$0.59/hr24% less$0.775/hr
Lowest rate$0.4543/hr24% less1-yr reserved, no upfront$0.597/hr1-yr reserved, no upfront
Size4 vCPUs, 16 GiB4 vCPUs, 32 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.xlargedb.r6idn.xlargedb.r6idn.xlarge vs db.m6idn.xlarge
On-demandPay by the hour$0.59$0.775▲ 31%
1-yr reservedNo upfront23% off$0.454323% off$0.597▲ 31%

Key differences

The biggest lead each one has.

Where db.m6idn.xlarge leads
On-demand price$0.59 vs $0.775 per hour
24% cheaper
Where db.r6idn.xlarge leads
Memory (GiB)32 vs 16
2× higher

Specs

5 of 25 specs differ. Those are in bold.

ComputeAll 8 matchdb.m6idn.xlargedb.r6idn.xlarge
vCPUs44
Physical cores22
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.xlargedb.r6idn.xlarge
Memory (GiB)1632
NetworkingAll 3 matchdb.m6idn.xlargedb.r6idn.xlarge
NetworkUp to 30 GbpsUp to 30 Gbps
Network baseline6.25 Gbps6.25 Gbps
Network peak30 Gbps30 Gbps
StorageAll 8 matchdb.m6idn.xlargedb.r6idn.xlarge
Storage1 x 237 NVMe SSD1 x 237 NVMe SSD
Local disks1 × 237 GB SSD1 × 237 GB SSD
EBS baseline bandwidth3,125 Mbps3,125 Mbps
EBS max bandwidth25,000 Mbps25,000 Mbps
EBS baseline throughput390.625 MB/s390.625 MB/s
EBS max throughput3,125 MB/s3,125 MB/s
EBS baseline IOPS12,50012,500
EBS max IOPS100,000100,000
Instance details3 of 4 differdb.m6idn.xlargedb.r6idn.xlarge
Familym6idnr6idn
CategoryGeneral purposeMemory optimized
Current generationYesYes
Normalization factor824
Other1 of 1 differdb.m6idn.xlargedb.r6idn.xlarge
Hardware Basism6idn.xlarger6idn.xlarge

On-demand prices by region

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

Regiondb.m6idn.xlargedb.r6idn.xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$0.59$0.775▲ 31%
US East (Ohio)us-east-2$0.59$0.775▲ 31%
US West (Oregon)us-west-2$0.59$0.775▲ 31%
EU (Ireland)eu-west-1$0.655$0.864▲ 32%
Asia Pacific (Tokyo)ap-northeast-1$0.816$0.938▲ 15%

Keep exploring

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

db.m6idn.xlargeGeneral purpose, m6idn family
db.m6idn.xlarge prices and specsEvery size in the m6idn family

Compare db.m6idn.xlarge with

db.m6i.xlargedb.t3.xlargedb.t2.xlarge
db.r6idn.xlargeMemory optimized, r6idn family
db.r6idn.xlarge prices and specsEvery size in the r6idn family

Compare db.r6idn.xlarge with

db.r6i.xlargedb.r6i.xlarge.tpc2.mem2xdb.r6i.xlarge.tpc2.mem4x

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.