db.m8g.48xlargevsdb.m9g.48xlarge

db.m8g.48xlarge is 8% cheaper than db.m9g.48xlarge on demand in US East (N. Virginia), saving $1,059.96 a month.

At a glancedb.m8g.48xlargedb.m9g.48xlarge
On-demand$16.128/hr8% less$17.58/hr
Lowest rate$12.902/hr8% less1-yr savings plan, hourly commitment$14.064/hr1-yr savings plan, hourly commitment
Size192 vCPUs, 768 GiB192 vCPUs, 768 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.m8g.48xlargedb.m9g.48xlargedb.m9g.48xlarge vs db.m8g.48xlarge
On-demandPay by the hour$16.128$17.58▲ 9%
1-yr reservedNo upfront33% off$10.806——
3-yr reservedNo upfront53% off$7.58——
1-yr savings planHourly commitment20% off$12.90220% off$14.064▲ 9%

Key differences

The biggest lead each one has.

Where db.m8g.48xlarge leads
On-demand price$16.128 vs $17.58 per hour
8% cheaper
Where db.m9g.48xlarge leads
Network baseline100 Gbps vs 50 Gbps
2× higher
EBS baseline bandwidth72,000 Mbps vs 40,000 Mbps
80% higher
Sustained clock3.3 GHz vs 2.7 GHz
22% higher

Specs

11 of 19 specs differ. Those are in bold.

Compute1 of 7 differdb.m8g.48xlargedb.m9g.48xlarge
vCPUs192192
Physical cores192192
Threads per core11
Architecturearm64arm64
CPU makerAWSAWS
Sustained clock2.7 GHz3.3 GHz
BurstableNoNo
MemoryAll 1 matchdb.m8g.48xlargedb.m9g.48xlarge
Memory (GiB)768768
Networking2 of 2 differdb.m8g.48xlargedb.m9g.48xlarge
Network baseline50 Gbps100 Gbps
Network peak50 Gbps100 Gbps
Storage6 of 6 differdb.m8g.48xlargedb.m9g.48xlarge
EBS baseline bandwidth40,000 Mbps72,000 Mbps
EBS max bandwidth40,000 Mbps72,000 Mbps
EBS baseline throughput5,000 MB/s9,000 MB/s
EBS max throughput5,000 MB/s9,000 MB/s
EBS baseline IOPS240,000288,000
EBS max IOPS240,000288,000
Instance details1 of 2 differdb.m8g.48xlargedb.m9g.48xlarge
Familym8gm9g
Normalization factor384384
Other1 of 1 differdb.m8g.48xlargedb.m9g.48xlarge
Hardware Basism8g.48xlargem9g.48xlarge

On-demand prices by region

Cheapest for db.m8g.48xlarge first. PostgreSQL, USD per hour.

Regiondb.m8g.48xlargedb.m9g.48xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$16.128$17.58▲ 9%
US East (Ohio)us-east-2$16.128$17.58▲ 9%
US West (Oregon)us-west-2$16.128$17.58▲ 9%
EU (Frankfurt)eu-central-1$19.20$20.928▲ 9%

Keep exploring

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

db.m8g.48xlargem8g family
db.m8g.48xlarge prices and specsEvery size in the m8g family

Compare db.m8g.48xlarge with

db.m8i.48xlargedb.r8g.48xlargedb.m8a.48xlargedb.m8gd.48xlarge
db.m9g.48xlargem9g family
db.m9g.48xlarge prices and specsEvery size in the m9g family

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.

Connect AWS account

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