db.m5d.largevsdb.r5d.large

db.m5d.large is 27% cheaper than db.r5d.large on demand in US East (N. Virginia), saving $55.48 a month.

At a glancedb.m5d.largedb.r5d.large
On-demand$0.21/hr27% less$0.286/hr
Lowest rate$0.1613/hr27% less1-yr reserved, no upfront$0.22/hr1-yr reserved, no upfront
Size2 vCPUs, 8 GiB2 vCPUs, 16 GiB

Prices in US East (N. Virginia)

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

Optiondb.m5d.largedb.r5d.largedb.r5d.large vs db.m5d.large
On-demandPay by the hour$0.21$0.286▲ 36%
1-yr reservedNo upfront23% off$0.161323% off$0.22▲ 36%

Key differences

The biggest lead each one has.

Where db.m5d.large leads
On-demand price$0.21 vs $0.286 per hour
27% cheaper
Where db.r5d.large leads
Memory (GiB)16 vs 8
2× higher

Specs

10 of 25 specs differ. Those are in bold.

Compute2 of 8 differdb.m5d.largedb.r5d.large
vCPUs22
Physical cores11
Threads per core22
Architecture–x86_64
Processor–Intel Xeon Platinum 8175
CPU makerIntelIntel
Sustained clock3.1 GHz3.1 GHz
BurstableNoNo
Memory1 of 1 differdb.m5d.largedb.r5d.large
Memory (GiB)816
Networking1 of 3 differdb.m5d.largedb.r5d.large
Network–Up to 10 Gbps
Network baseline0.75 Gbps0.75 Gbps
Network peak10 Gbps10 Gbps
Storage1 of 8 differdb.m5d.largedb.r5d.large
Storage–1 x 75 NVMe SSD
Local disks1 × 75 GB SSD1 × 75 GB SSD
EBS baseline bandwidth650 Mbps650 Mbps
EBS max bandwidth4,750 Mbps4,750 Mbps
EBS baseline throughput81.25 MB/s81.25 MB/s
EBS max throughput593.75 MB/s593.75 MB/s
EBS baseline IOPS3,6003,600
EBS max IOPS18,75018,750
Instance details4 of 4 differdb.m5d.largedb.r5d.large
Familym5dr5d
Category–Memory optimized
Current generation–Yes
Normalization factor412
Other1 of 1 differdb.m5d.largedb.r5d.large
Hardware Basism5d.larger5d.large

On-demand prices by region

Cheapest for db.m5d.large first. PostgreSQL, USD per hour.

Regiondb.m5d.largedb.r5d.largeDifference
US East (N. Virginia)Used in summaryus-east-1$0.21$0.286▲ 36%
US East (Ohio)us-east-2$0.21$0.286▲ 36%
US West (Oregon)us-west-2$0.21$0.286▲ 36%
EU (Stockholm)eu-north-1$0.22$0.292▲ 33%
Canada (Central)ca-central-1$0.231$0.309▲ 34%
EU (Ireland)eu-west-1$0.232$0.318▲ 37%
AWS GovCloud (US-East)us-gov-east-1$0.241$0.321▲ 33%
AWS GovCloud (US-West)us-gov-west-1$0.241$0.32▲ 33%
US West (N. California)us-west-1$0.241$0.324▲ 34%
EU (London)eu-west-2$0.243$0.336▲ 38%
EU (Paris)eu-west-3$0.243$0.336▲ 38%
EU (Milan)eu-south-1$0.244$0.334▲ 37%
EU (Frankfurt)eu-central-1$0.251$0.347▲ 38%
Middle East (Bahrain)me-south-1$0.256$0.35▲ 37%
Middle East (UAE)me-central-1$0.256$0.35▲ 37%
South America (Sao Paulo)sa-east-1$0.274$0.594▲ 117%
Africa (Cape Town)af-south-1$0.276$0.377▲ 37%
Asia Pacific (Jakarta)ap-southeast-3$0.29$0.343▲ 18%
Asia Pacific (Singapore)ap-southeast-1$0.29$0.343▲ 18%
Asia Pacific (Seoul)ap-northeast-2$0.291$0.341▲ 17%
Asia Pacific (Tokyo)ap-northeast-1$0.291$0.343▲ 18%
Asia Pacific (Sydney)ap-southeast-2$0.292$0.346▲ 18%
Asia Pacific (Osaka)ap-northeast-3$0.305$0.343▲ 12%
Asia Pacific (Mumbai)ap-south-1$0.306$0.331▲ 8%
Asia Pacific (Hong Kong)ap-east-1$0.319$0.346▲ 8%
Asia Pacific (Hyderabad)ap-south-2$1.006$1.193▲ 19%

Keep exploring

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

db.m5d.largem5d family
db.m5d.large prices and specsEvery size in the m5d family

Compare db.m5d.large with

db.m5.largedb.t3.largedb.t2.largedb.m6id.large
db.r5d.largeMemory optimized, r5d family
db.r5d.large prices and specsEvery size in the r5d family

Compare db.r5d.large with

db.r5.largedb.r5.large.tpc1.mem2xdb.r6id.large

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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.