db.m7i.8xlargevsdb.r7i.8xlarge

db.m7i.8xlarge is 29% cheaper than db.r7i.8xlarge on demand in US East (N. Virginia), saving $840.96 a month. Per vCPU, db.r7i.8xlarge costs 30% less.

At a glancedb.m7i.8xlargedb.r7i.8xlarge
On-demand$2.848/hr29% less$4.00/hr
Lowest rate$1.908/hr29% less1-yr reserved, no upfront$2.68/hr1-yr reserved, no upfront
Size16 vCPUs, 128 GiB32 vCPUs, 256 GiB
ProcessorIntel Xeon Scalable (Sapphire Rapids 8488C)Intel Xeon Scalable (Sapphire Rapids 8488C)
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.m7i.8xlargedb.r7i.8xlargedb.r7i.8xlarge vs db.m7i.8xlarge
On-demandPay by the hour$2.848$4.00▲ 40%
1-yr reservedNo upfront33% off$1.90833% off$2.68▲ 40%
1-yr savings planHourly commitment20% off$2.27820% off$3.20▲ 40%

Key differences

The biggest lead each one has.

Where db.m7i.8xlarge leads
On-demand price$2.848 vs $4.00 per hour
29% cheaper
Where db.r7i.8xlarge leads
vCPUs32 vs 16
2× higher
Memory (GiB)256 vs 128
2× higher

Specs

7 of 24 specs differ. Those are in bold.

Compute1 of 8 differdb.m7i.8xlargedb.r7i.8xlarge
vCPUs1632
Physical cores1616
Threads per core22
Architecturex86_64x86_64
ProcessorIntel Xeon Scalable (Sapphire Rapids 8488C)Intel Xeon Scalable (Sapphire Rapids 8488C)
CPU makerIntelIntel
Sustained clock3.2 GHz3.2 GHz
BurstableNoNo
Memory1 of 1 differdb.m7i.8xlargedb.r7i.8xlarge
Memory (GiB)128256
NetworkingAll 3 matchdb.m7i.8xlargedb.r7i.8xlarge
Network12.5 Gbps12.5 Gbps
Network baseline12.5 Gbps12.5 Gbps
Network peak12.5 Gbps12.5 Gbps
Storage1 of 7 differdb.m7i.8xlargedb.r7i.8xlarge
StorageEBS OnlyAurora IO Optimization Mode
EBS baseline bandwidth10,000 Mbps10,000 Mbps
EBS max bandwidth10,000 Mbps10,000 Mbps
EBS baseline throughput1,250 MB/s1,250 MB/s
EBS max throughput1,250 MB/s1,250 MB/s
EBS baseline IOPS40,00040,000
EBS max IOPS40,00040,000
Instance details3 of 4 differdb.m7i.8xlargedb.r7i.8xlarge
Familym7ir7i
CategoryGeneral purposeMemory optimized
Current generationYesYes
Normalization factor–83.2
Other1 of 1 differdb.m7i.8xlargedb.r7i.8xlarge
Hardware Basism7i.8xlarger7i.8xlarge

On-demand prices by region

Cheapest for db.m7i.8xlarge first. PostgreSQL, USD per hour.

Regiondb.m7i.8xlargedb.r7i.8xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$2.848$4.00▲ 40%
US East (Ohio)us-east-2$2.848$4.00▲ 40%
US West (Oregon)us-west-2$2.848$4.00▲ 40%
EU (Stockholm)eu-north-1$2.992$4.112▲ 37%
Mexico (Central)mx-central-1$2.992$4.208▲ 41%
Canada (Central)ca-central-1$3.136$4.32▲ 38%
EU (Ireland)eu-west-1$3.152$4.48▲ 42%
Europe (Spain)eu-south-2$3.152$4.48▲ 42%
US West (N. California)us-west-1$3.248$4.48▲ 38%
EU (London)eu-west-2$3.296$4.704▲ 43%
EU (Paris)eu-west-3$3.296$4.704▲ 43%
EU (Milan)eu-south-1$3.312$4.704▲ 42%
Asia Pacific (Malaysia)ap-southeast-5$3.36$4.08▲ 21%
Asia Pacific (Thailand)ap-southeast-7$3.36$4.752▲ 41%
AWS GovCloud (US-East)us-gov-east-1$3.36$4.80▲ 43%
AWS GovCloud (US-West)us-gov-west-1$3.36$4.80▲ 43%
EU (Frankfurt)eu-central-1$3.392$4.88▲ 44%
Asia Pacific (Taipei)ap-east-2$3.552$4.32▲ 22%
South America (Sao Paulo)sa-east-1$3.728$6.36▲ 71%
Asia Pacific (Jakarta)ap-southeast-3$3.952$4.80▲ 21%
Asia Pacific (Melbourne)ap-southeast-4$3.952$5.60▲ 42%
Asia Pacific (Seoul)ap-northeast-2$3.952$4.80▲ 21%
Asia Pacific (Singapore)ap-southeast-1$3.952$4.80▲ 21%
Asia Pacific (Sydney)ap-southeast-2$3.952$4.80▲ 21%
Asia Pacific (Tokyo)ap-northeast-1$3.952$4.80▲ 21%
Asia Pacific (Mumbai)ap-south-1$4.048$4.56▲ 13%
Asia Pacific (Osaka)ap-northeast-3$4.144$5.60▲ 35%
Asia Pacific (New Zealand)ap-southeast-6$4.15$5.04▲ 21%

Keep exploring

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

db.m7i.8xlargeGeneral purpose, m7i family
db.m7i.8xlarge prices and specsEvery size in the m7i family

Compare db.m7i.8xlarge with

db.m7g.8xlargedb.r7i.8xlarge.tpc2.mem2xdb.r7i.8xlarge.tpc2.mem3xdb.m6i.8xlargedb.m8i.8xlarge
db.r7i.8xlargeMemory optimized, r7i family
db.r7i.8xlarge prices and specsEvery size in the r7i family

Compare db.r7i.8xlarge with

db.r7g.8xlargedb.r6i.8xlargedb.r6i.8xlarge.tpc2.mem3xdb.r6i.8xlarge.tpc2.mem4xdb.r8i.8xlarge

Pay the committed rate, with commitment protection

The best committed rate on these two is 33% 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.