db.m8a.24xlargevsdb.m8i.24xlarge

db.m8i.24xlarge is 13% cheaper than db.m8a.24xlarge on demand in US East (N. Virginia), saving $982.00 a month. Per vCPU, db.m8a.24xlarge costs 43% less.

At a glancedb.m8a.24xlargedb.m8i.24xlarge
On-demand$10.315/hr$8.97/hr13% less
Lowest rate$8.252/hr1-yr savings plan, hourly commitment$7.176/hr13% less1-yr savings plan, hourly commitment
Size96 vCPUs, 384 GiB48 vCPUs, 384 GiB
Processor5th Generation AMD EPYCIntel Xeon Scalable (Granite Rapids)
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.m8a.24xlargedb.m8i.24xlargedb.m8i.24xlarge vs db.m8a.24xlarge
On-demandPay by the hour$10.315$8.97▼ 13%
1-yr reservedNo upfront—33% off$6.01—
3-yr reservedNo upfront—53% off$4.216—
1-yr savings planHourly commitment20% off$8.25220% off$7.176▼ 13%

Key differences

The biggest lead each one has.

Where db.m8a.24xlarge leads
vCPUs96 vs 48
2× higher
Where db.m8i.24xlarge leads
On-demand price$8.97 vs $10.315 per hour
13% cheaper

Specs

10 of 24 specs differ. Those are in bold.

Compute6 of 8 differdb.m8a.24xlargedb.m8i.24xlarge
vCPUs9648
Physical cores9648
Threads per core12
Architecturex86_64x86_64
Processor5th Generation AMD EPYCIntel Xeon Scalable (Granite Rapids)
CPU makerAMDIntel
Sustained clock4.5 GHz3.9 GHz
BurstableNoNo
MemoryAll 1 matchdb.m8a.24xlargedb.m8i.24xlarge
Memory (GiB)384384
Networking1 of 3 differdb.m8a.24xlargedb.m8i.24xlarge
Network40000 Mbps40000 Megabit
Network baseline40 Gbps40 Gbps
Network peak40 Gbps40 Gbps
StorageAll 7 matchdb.m8a.24xlargedb.m8i.24xlarge
StorageEBS OnlyEBS Only
EBS baseline bandwidth30,000 Mbps30,000 Mbps
EBS max bandwidth30,000 Mbps30,000 Mbps
EBS baseline throughput3,750 MB/s3,750 MB/s
EBS max throughput3,750 MB/s3,750 MB/s
EBS baseline IOPS120,000120,000
EBS max IOPS120,000120,000
Instance details2 of 4 differdb.m8a.24xlargedb.m8i.24xlarge
Familym8am8i
CategoryGeneral purposeGeneral purpose
Current generationYesYes
Normalization factor192–
Other1 of 1 differdb.m8a.24xlargedb.m8i.24xlarge
Hardware Basism8a.24xlargem8i.24xlarge

On-demand prices by region

Cheapest for db.m8a.24xlarge first. PostgreSQL, USD per hour.

Regiondb.m8a.24xlargedb.m8i.24xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$10.315$8.97▼ 13%
US East (Ohio)us-east-2$10.315$8.97▼ 13%
US West (Oregon)us-west-2$10.315$8.97▼ 13%
EU (Ireland)eu-west-1$11.419$9.929▼ 13%
Europe (Spain)eu-south-2$11.419$9.93▼ 13%
EU (Frankfurt)eu-central-1$12.288$10.69▼ 13%
Asia Pacific (Tokyo)ap-northeast-1$14.318$12.45▼ 13%
Asia Pacific (Hyderabad)ap-south-2$14.669$12.75▼ 13%
Asia Pacific (Mumbai)ap-south-1$14.669$12.75▼ 13%

Keep exploring

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

db.m8a.24xlargeGeneral purpose, m8a family
db.m8a.24xlarge prices and specsEvery size in the m8a family

Compare db.m8a.24xlarge with

db.m8i.24xlargeGeneral purpose, m8i family
db.m8i.24xlarge prices and specsEvery size in the m8i family

Compare db.m8i.24xlarge with

Pay the committed rate, with commitment protection

The best committed rate on these two is 20–53% 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.