db.m8g.24xlargevsdb.m8i.24xlarge

db.m8g.24xlarge is 10% cheaper than db.m8i.24xlarge on demand in US East (N. Virginia), saving $661.38 a month. Per vCPU, db.m8g.24xlarge costs 55% less. They use different processor architectures (arm64 and x86_64), so software built for one may need rebuilding to run on the other.

At a glancedb.m8g.24xlargedb.m8i.24xlarge
On-demand$8.064/hr10% less$8.97/hr
Lowest rate$3.79/hr10% less3-yr reserved, no upfront$4.216/hr3-yr reserved, no upfront
Size96 vCPUs, 512 GiB48 vCPUs, 384 GiB
ProcessorAWS Graviton4Intel Xeon Scalable (Granite Rapids)
Architecturearm64x86_64

Prices in US East (N. Virginia)

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

Optiondb.m8g.24xlargedb.m8i.24xlargedb.m8i.24xlarge vs db.m8g.24xlarge
On-demandPay by the hour$8.064$8.97▲ 11%
1-yr reservedNo upfront33% off$5.40333% off$6.01▲ 11%
3-yr reservedNo upfront53% off$3.7953% off$4.216▲ 11%
1-yr savings planHourly commitment20% off$6.45120% off$7.176▲ 11%

Key differences

The biggest lead each one has.

Where db.m8g.24xlarge leads
On-demand price$8.064 vs $8.97 per hour
10% cheaper
vCPUs96 vs 48
2× higher
Memory (GiB)512 vs 384
33% higher
Where db.m8i.24xlarge leads
Sustained clock3.9 GHz vs 2.8 GHz
39% higher

Specs

12 of 24 specs differ. Those are in bold.

Compute7 of 8 differdb.m8g.24xlargedb.m8i.24xlarge
vCPUs9648
Physical cores9648
Threads per core12
Architecturearm64x86_64
ProcessorAWS Graviton4Intel Xeon Scalable (Granite Rapids)
CPU makerAWSIntel
Sustained clock2.8 GHz3.9 GHz
BurstableNoNo
Memory1 of 1 differdb.m8g.24xlargedb.m8i.24xlarge
Memory (GiB)512384
Networking1 of 3 differdb.m8g.24xlargedb.m8i.24xlarge
Network40 Gigabit40000 Megabit
Network baseline40 Gbps40 Gbps
Network peak40 Gbps40 Gbps
StorageAll 7 matchdb.m8g.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.m8g.24xlargedb.m8i.24xlarge
Familym8gm8i
CategoryGeneral purposeGeneral purpose
Current generationYesYes
Normalization factor192–
Other1 of 1 differdb.m8g.24xlargedb.m8i.24xlarge
Hardware Basism8g.24xlargem8i.24xlarge

On-demand prices by region

Cheapest for db.m8g.24xlarge first. PostgreSQL, USD per hour.

Regiondb.m8g.24xlargedb.m8i.24xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$8.064$8.97▲ 11%
US East (Ohio)us-east-2$8.064$8.97▲ 11%
US West (Oregon)us-west-2$8.064$8.97▲ 11%
EU (Ireland)eu-west-1$8.928$9.929▲ 11%
Europe (Spain)eu-south-2$8.928$9.93▲ 11%
Canada West (Calgary)ca-west-1$8.934$9.88▲ 11%
US West (N. California)us-west-1$9.216$10.23▲ 11%
EU (London)eu-west-2$9.36$10.382▲ 11%
EU (Paris)eu-west-3$9.36$10.38▲ 11%
Asia Pacific (Malaysia)ap-southeast-5$9.552$11.11▲ 16%
EU (Frankfurt)eu-central-1$9.60$10.69▲ 11%
Africa (Cape Town)af-south-1$10.642$11.91▲ 12%
Asia Pacific (Tokyo)ap-northeast-1$11.232$12.45▲ 11%
Asia Pacific (Singapore)ap-southeast-1$11.242$12.45▲ 11%
Asia Pacific (Sydney)ap-southeast-2$11.242$12.45▲ 11%
Asia Pacific (Seoul)ap-northeast-2$11.251$12.45▲ 11%
Asia Pacific (Mumbai)ap-south-1$11.496$12.75▲ 11%
Asia Pacific (Hyderabad)ap-south-2$11.52$12.75▲ 11%
South America (Sao Paulo)sa-east-1$12.822$11.74▼ 8%

Keep exploring

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

db.m8g.24xlargeGeneral purpose, m8g family
db.m8g.24xlarge prices and specsEvery size in the m8g family

Compare db.m8g.24xlarge with

db.r8g.24xlargedb.m8a.24xlargedb.m8gd.24xlargedb.m9g.24xlarge
db.m8i.24xlargeGeneral purpose, m8i family
db.m8i.24xlarge prices and specsEvery size in the m8i family

Compare db.m8i.24xlarge with

db.r8i.24xlargedb.m8a.24xlargedb.m7i.24xlarge

Pay the committed rate, with commitment protection

The best committed rate on these two is 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.