db.m5d.xlargevsdb.r5d.xlarge

db.m5d.xlarge is 27% cheaper than db.r5d.xlarge on demand in US East (N. Virginia), saving $110.96 a month.

At a glancedb.m5d.xlargedb.r5d.xlarge
On-demand$0.419/hr27% less$0.571/hr
Lowest rate$0.3227/hr27% less1-yr reserved, no upfront$0.44/hr1-yr reserved, no upfront
Size4 vCPUs, 16 GiB4 vCPUs, 32 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.xlargedb.r5d.xlargedb.r5d.xlarge vs db.m5d.xlarge
On-demandPay by the hour$0.419$0.571▲ 36%
1-yr reservedNo upfront23% off$0.322723% off$0.44▲ 36%

Key differences

The biggest lead each one has.

Where db.m5d.xlarge leads
On-demand price$0.419 vs $0.571 per hour
27% cheaper
Where db.r5d.xlarge leads
Memory (GiB)32 vs 16
2× higher

Specs

9 of 25 specs differ. Those are in bold.

Compute2 of 8 differdb.m5d.xlargedb.r5d.xlarge
vCPUs44
Physical cores22
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.xlargedb.r5d.xlarge
Memory (GiB)1632
Networking1 of 3 differdb.m5d.xlargedb.r5d.xlarge
Network–Up to 10 Gbps
Network baseline1.25 Gbps1.25 Gbps
Network peak10 Gbps10 Gbps
Storage1 of 8 differdb.m5d.xlargedb.r5d.xlarge
Storage–1 x 150 NVMe SSD
Local disks1 × 150 GB SSD1 × 150 GB SSD
EBS baseline bandwidth1,150 Mbps1,150 Mbps
EBS max bandwidth4,750 Mbps4,750 Mbps
EBS baseline throughput143.75 MB/s143.75 MB/s
EBS max throughput593.75 MB/s593.75 MB/s
EBS baseline IOPS6,0006,000
EBS max IOPS18,75018,750
Instance details3 of 4 differdb.m5d.xlargedb.r5d.xlarge
Familym5dr5d
Category–Memory optimized
Current generation–Yes
Normalization factor88
Other1 of 1 differdb.m5d.xlargedb.r5d.xlarge
Hardware Basism5d.xlarger5d.xlarge

On-demand prices by region

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

Regiondb.m5d.xlargedb.r5d.xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$0.419$0.571▲ 36%
US East (Ohio)us-east-2$0.419$0.571▲ 36%
US West (Oregon)us-west-2$0.419$0.571▲ 36%
EU (Stockholm)eu-north-1$0.44$0.583▲ 32%
Canada (Central)ca-central-1$0.462$0.619▲ 34%
EU (Ireland)eu-west-1$0.464$0.635▲ 37%
US West (N. California)us-west-1$0.482$0.648▲ 34%
AWS GovCloud (US-East)us-gov-east-1$0.483$0.641▲ 33%
AWS GovCloud (US-West)us-gov-west-1$0.483$0.64▲ 33%
EU (London)eu-west-2$0.486$0.671▲ 38%
EU (Paris)eu-west-3$0.486$0.671▲ 38%
EU (Milan)eu-south-1$0.488$0.667▲ 37%
EU (Frankfurt)eu-central-1$0.501$0.694▲ 39%
Middle East (Bahrain)me-south-1$0.511$0.699▲ 37%
Middle East (UAE)me-central-1$0.511$0.699▲ 37%
South America (Sao Paulo)sa-east-1$0.548$1.189▲ 117%
Africa (Cape Town)af-south-1$0.553$0.753▲ 36%
Asia Pacific (Jakarta)ap-southeast-3$0.58$0.687▲ 18%
Asia Pacific (Singapore)ap-southeast-1$0.58$0.687▲ 18%
Asia Pacific (Seoul)ap-northeast-2$0.582$0.683▲ 17%
Asia Pacific (Tokyo)ap-northeast-1$0.582$0.687▲ 18%
Asia Pacific (Sydney)ap-southeast-2$0.585$0.691▲ 18%
Asia Pacific (Osaka)ap-northeast-3$0.61$0.687▲ 13%
Asia Pacific (Mumbai)ap-south-1$0.611$0.662▲ 8%
Asia Pacific (Hong Kong)ap-east-1$0.638$0.692▲ 8%
Asia Pacific (Hyderabad)ap-south-2$2.41$2.582▲ 7%

Keep exploring

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

db.m5d.xlargem5d family
db.m5d.xlarge prices and specsEvery size in the m5d family

Compare db.m5d.xlarge with

db.m5.xlargedb.t3.xlargedb.t2.xlargedb.m6id.xlarge
db.r5d.xlargeMemory optimized, r5d family
db.r5d.xlarge prices and specsEvery size in the r5d family

Compare db.r5d.xlarge with

db.r5.xlargedb.r5.xlarge.tpc2.mem2xdb.r5.xlarge.tpc2.mem4xdb.r6id.xlarge

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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.