db.m7g.4xlargevsdb.m8g.4xlarge

db.m8g.4xlarge is 0% cheaper than db.m7g.4xlarge on demand in US East (N. Virginia), saving $2.92 a month.

At a glancedb.m7g.4xlargedb.m8g.4xlarge
On-demand$1.348/hr$1.344/hr0% less
Lowest rate$1.038/hr1-yr reserved, no upfront$0.9/hr13% less1-yr reserved, no upfront
Size16 vCPUs, 64 GiB16 vCPUs, 64 GiB
Architecturearm64arm64

Prices in US East (N. Virginia)

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

Optiondb.m7g.4xlargedb.m8g.4xlargedb.m8g.4xlarge vs db.m7g.4xlarge
On-demandPay by the hour$1.348$1.344Same
1-yr reservedNo upfront23% off$1.03833% off$0.9▼ 13%
3-yr reservedNo upfront—53% off$0.6316—
1-yr savings planHourly commitment20% off$1.07820% off$1.075Same

Key differences

The biggest lead each one has.

Where db.m7g.4xlarge leads

No clear lead on the measures we compare.

Where db.m8g.4xlarge leads
On-demand price$1.344 vs $1.348 per hour
0% cheaper
Sustained clock2.8 GHz vs 2.6 GHz
8% higher

Specs

9 of 24 specs differ. Those are in bold.

Compute2 of 8 differdb.m7g.4xlargedb.m8g.4xlarge
vCPUs1616
Physical cores1616
Threads per core11
Architecturearm64arm64
Processor–AWS Graviton4
CPU makerAWSAWS
Sustained clock2.6 GHz2.8 GHz
BurstableNoNo
MemoryAll 1 matchdb.m7g.4xlargedb.m8g.4xlarge
Memory (GiB)6464
Networking1 of 3 differdb.m7g.4xlargedb.m8g.4xlarge
Network–Up to 15 Gigabit
Network baseline7.5 Gbps7.5 Gbps
Network peak15 Gbps15 Gbps
Storage1 of 7 differdb.m7g.4xlargedb.m8g.4xlarge
Storage–EBS Only
EBS baseline bandwidth5,000 Mbps5,000 Mbps
EBS max bandwidth10,000 Mbps10,000 Mbps
EBS baseline throughput625 MB/s625 MB/s
EBS max throughput1,250 MB/s1,250 MB/s
EBS baseline IOPS20,00020,000
EBS max IOPS40,00040,000
Instance details4 of 4 differdb.m7g.4xlargedb.m8g.4xlarge
Familym7gm8g
Category–General purpose
Current generation–Yes
Normalization factor3264
Other1 of 1 differdb.m7g.4xlargedb.m8g.4xlarge
Hardware Basism7g.4xlargem8g.4xlarge

On-demand prices by region

Cheapest for db.m7g.4xlarge first. PostgreSQL, USD per hour.

Regiondb.m7g.4xlargedb.m8g.4xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$1.348$1.344Same
US East (Ohio)us-east-2$1.348$1.344Same
US West (Oregon)us-west-2$1.348$1.344Same
EU (Stockholm)eu-north-1$1.416$1.416Same
EU (Ireland)eu-west-1$1.49$1.488Same
Europe (Spain)eu-south-2$1.491$1.488Same
US West (N. California)us-west-1$1.536$1.536Same
EU (Paris)eu-west-3$1.56$1.56Same
EU (London)eu-west-2$1.562$1.56Same
Asia Pacific (Malaysia)ap-southeast-5$1.592$1.592Same
EU (Frankfurt)eu-central-1$1.602$1.60Same
Europe (Zurich)eu-central-2$1.768$1.768Same
South America (Sao Paulo)sa-east-1$1.768$2.137▲ 21%
Asia Pacific (Singapore)ap-southeast-1$1.874$1.874Same
Asia Pacific (Sydney)ap-southeast-2$1.874$1.874Same
Asia Pacific (Tokyo)ap-northeast-1$1.874$1.872Same
Asia Pacific (Seoul)ap-northeast-2$1.875$1.875Same
Asia Pacific (Mumbai)ap-south-1$1.916$1.916Same
Asia Pacific (Hyderabad)ap-south-2$1.917$1.92Same

Keep exploring

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

db.m7g.4xlargem7g family
db.m7g.4xlarge prices and specsEvery size in the m7g family

Compare db.m7g.4xlarge with

db.r7g.4xlargedb.m7i.4xlargedb.m6g.4xlarge
db.m8g.4xlargeGeneral purpose, m8g family
db.m8g.4xlarge prices and specsEvery size in the m8g family

Compare db.m8g.4xlarge with

db.m8i.4xlargedb.r8g.4xlargedb.m8a.4xlargedb.m8gd.4xlargedb.m9g.4xlarge

Pay the committed rate, with commitment protection

The best committed rate on these two is 23–53% 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.