db.m5d.8xlargevsdb.r5d.8xlarge

db.m5d.8xlarge is 27% cheaper than db.r5d.8xlarge on demand in US East (N. Virginia), saving $889.87 a month.

At a glancedb.m5d.8xlargedb.r5d.8xlarge
On-demand$3.352/hr27% less$4.571/hr
Lowest rate$2.581/hr27% less1-yr reserved, no upfront$3.52/hr1-yr reserved, no upfront
Size32 vCPUs, 128 GiB32 vCPUs, 256 GiB
ProcessorIntel Xeon Platinum 8175Intel Xeon Platinum 8175
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.m5d.8xlargedb.r5d.8xlargedb.r5d.8xlarge vs db.m5d.8xlarge
On-demandPay by the hour$3.352$4.571▲ 36%
1-yr reservedNo upfront23% off$2.58123% off$3.52▲ 36%

Key differences

The biggest lead each one has.

Where db.m5d.8xlarge leads
On-demand price$3.352 vs $4.571 per hour
27% cheaper
Where db.r5d.8xlarge leads
Memory (GiB)256 vs 128
2× higher

Specs

5 of 25 specs differ. Those are in bold.

ComputeAll 8 matchdb.m5d.8xlargedb.r5d.8xlarge
vCPUs3232
Physical cores1616
Threads per core22
Architecturex86_64x86_64
ProcessorIntel Xeon Platinum 8175Intel Xeon Platinum 8175
CPU makerIntelIntel
Sustained clock3.1 GHz3.1 GHz
BurstableNoNo
Memory1 of 1 differdb.m5d.8xlargedb.r5d.8xlarge
Memory (GiB)128256
NetworkingAll 3 matchdb.m5d.8xlargedb.r5d.8xlarge
Network10 Gbps10 Gbps
Network baseline10 Gbps10 Gbps
Network peak10 Gbps10 Gbps
StorageAll 8 matchdb.m5d.8xlargedb.r5d.8xlarge
Storage2 x 600 NVMe SSD2 x 600 NVMe SSD
Local disks2 × 600 GB SSD2 × 600 GB SSD
EBS baseline bandwidth6,800 Mbps6,800 Mbps
EBS max bandwidth6,800 Mbps6,800 Mbps
EBS baseline throughput850 MB/s850 MB/s
EBS max throughput850 MB/s850 MB/s
EBS baseline IOPS30,00030,000
EBS max IOPS30,00030,000
Instance details3 of 4 differdb.m5d.8xlargedb.r5d.8xlarge
Familym5dr5d
CategoryGeneral purposeMemory optimized
Current generationYesYes
Normalization factor64128
Other1 of 1 differdb.m5d.8xlargedb.r5d.8xlarge
Hardware Basism5d.8xlarger5d.8xlarge

On-demand prices by region

Cheapest for db.m5d.8xlarge first. PostgreSQL, USD per hour.

Regiondb.m5d.8xlargedb.r5d.8xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$3.352$4.571▲ 36%
US East (Ohio)us-east-2$3.352$4.571▲ 36%
US West (Oregon)us-west-2$3.352$4.571▲ 36%
EU (Stockholm)eu-north-1$3.52$4.664▲ 32%
Canada (Central)ca-central-1$3.693$4.952▲ 34%
EU (Ireland)eu-west-1$3.712$5.084▲ 37%
US West (N. California)us-west-1$3.857$5.184▲ 34%
AWS GovCloud (US-East)us-gov-east-1$3.861$5.13▲ 33%
AWS GovCloud (US-West)us-gov-west-1$3.861$5.121▲ 33%
EU (Paris)eu-west-3$3.885$5.371▲ 38%
EU (London)eu-west-2$3.89$5.371▲ 38%
EU (Milan)eu-south-1$3.903$5.34▲ 37%
EU (Frankfurt)eu-central-1$4.011$5.554▲ 38%
Middle East (Bahrain)me-south-1$4.09$5.596▲ 37%
Middle East (UAE)me-central-1$4.09$5.596▲ 37%
South America (Sao Paulo)sa-east-1$4.386$9.51▲ 117%
Africa (Cape Town)af-south-1$4.422$6.026▲ 36%
Asia Pacific (Jakarta)ap-southeast-3$4.644$5.495▲ 18%
Asia Pacific (Singapore)ap-southeast-1$4.644$5.495▲ 18%
Asia Pacific (Tokyo)ap-northeast-1$4.653$5.495▲ 18%
Asia Pacific (Seoul)ap-northeast-2$4.655$5.463▲ 17%
Asia Pacific (Sydney)ap-southeast-2$4.677$5.531▲ 18%
Asia Pacific (Osaka)ap-northeast-3$4.879$5.495▲ 13%
Asia Pacific (Mumbai)ap-south-1$4.89$5.297▲ 8%
Asia Pacific (Hong Kong)ap-east-1$5.105$5.533▲ 8%
Asia Pacific (Hyderabad)ap-south-2$19.28$20.654▲ 7%

Keep exploring

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

db.m5d.8xlargeGeneral purpose, m5d family
db.m5d.8xlarge prices and specsEvery size in the m5d family

Compare db.m5d.8xlarge with

db.m5.8xlargedb.m6id.8xlarge
db.r5d.8xlargeMemory optimized, r5d family
db.r5d.8xlarge prices and specsEvery size in the r5d family

Compare db.r5d.8xlarge with

db.r5.8xlargedb.r5.8xlarge.tpc2.mem3xdb.r6id.8xlarge

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