db.r7i.48xlargevsdb.r8i.48xlarge

db.r7i.48xlarge is 5% cheaper than db.r8i.48xlarge on demand in US East (N. Virginia), saving $876.00 a month.

At a glancedb.r7i.48xlargedb.r8i.48xlarge
On-demand$24.00/hr5% less$25.20/hr
Lowest rate$16.08/hr5% less1-yr reserved, no upfront$16.884/hr1-yr reserved, no upfront
Size192 vCPUs, 1536 GiB192 vCPUs, 1536 GiB

Prices in US East (N. Virginia)

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

Optiondb.r7i.48xlargedb.r8i.48xlargedb.r8i.48xlarge vs db.r7i.48xlarge
On-demandPay by the hour$24.00$25.20▲ 5%
1-yr reservedNo upfront33% off$16.0833% off$16.884▲ 5%
3-yr reservedNo upfront—53% off$11.844—
1-yr savings planHourly commitment20% off$19.2020% off$20.16▲ 5%

Key differences

The biggest lead each one has.

Where db.r7i.48xlarge leads
On-demand price$24.00 vs $25.20 per hour
5% cheaper
Where db.r8i.48xlarge leads
Network baseline75 Gbps vs 50 Gbps
50% higher
EBS baseline bandwidth60,000 Mbps vs 40,000 Mbps
50% higher
Sustained clock3.9 GHz vs 3.2 GHz
22% higher

Specs

9 of 18 specs differ. Those are in bold.

Compute1 of 6 differdb.r7i.48xlargedb.r8i.48xlarge
vCPUs192192
Physical cores9696
Threads per core22
CPU makerIntelIntel
Sustained clock3.2 GHz3.9 GHz
BurstableNoNo
MemoryAll 1 matchdb.r7i.48xlargedb.r8i.48xlarge
Memory (GiB)1,5361,536
Networking2 of 2 differdb.r7i.48xlargedb.r8i.48xlarge
Network baseline50 Gbps75 Gbps
Network peak50 Gbps75 Gbps
Storage4 of 6 differdb.r7i.48xlargedb.r8i.48xlarge
EBS baseline bandwidth40,000 Mbps60,000 Mbps
EBS max bandwidth40,000 Mbps60,000 Mbps
EBS baseline throughput5,000 MB/s7,500 MB/s
EBS max throughput5,000 MB/s7,500 MB/s
EBS baseline IOPS240,000240,000
EBS max IOPS240,000240,000
Instance details1 of 2 differdb.r7i.48xlargedb.r8i.48xlarge
Familyr7ir8i
Normalization factor384384
Other1 of 1 differdb.r7i.48xlargedb.r8i.48xlarge
Hardware Basisr7i.48xlarger8i.48xlarge

On-demand prices by region

Cheapest for db.r7i.48xlarge first. PostgreSQL, USD per hour.

Regiondb.r7i.48xlargedb.r8i.48xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$24.00$25.20▲ 5%
US East (Ohio)us-east-2$24.00$25.20▲ 5%
US West (Oregon)us-west-2$24.00$25.20▲ 5%
Asia Pacific (Malaysia)ap-southeast-5$24.48$25.70▲ 5%
EU (Stockholm)eu-north-1$24.672$25.906▲ 5%
Canada (Central)ca-central-1$25.92$27.22▲ 5%
EU (Ireland)eu-west-1$26.88$28.22▲ 5%
Europe (Spain)eu-south-2$26.88$28.22▲ 5%
US West (N. California)us-west-1$26.88$28.22▲ 5%
Asia Pacific (Mumbai)ap-south-1$27.36$28.73▲ 5%
EU (London)eu-west-2$28.224$29.64▲ 5%
EU (Milan)eu-south-1$28.224$29.64▲ 5%
EU (Paris)eu-west-3$28.224$29.64▲ 5%
Asia Pacific (Seoul)ap-northeast-2$28.80$30.24▲ 5%
Asia Pacific (Singapore)ap-southeast-1$28.80$30.24▲ 5%
Asia Pacific (Sydney)ap-southeast-2$28.80$30.24▲ 5%
Asia Pacific (Tokyo)ap-northeast-1$28.80$30.24▲ 5%
EU (Frankfurt)eu-central-1$29.28$30.74▲ 5%
Asia Pacific (New Zealand)ap-southeast-6$30.24$31.75▲ 5%
Asia Pacific (Hyderabad)ap-south-2$31.68$28.73▼ 9%
South America (Sao Paulo)sa-east-1$38.16$39.686▲ 4%

Keep exploring

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

db.r7i.48xlarger7i family
db.r7i.48xlarge prices and specsEvery size in the r7i family

Compare db.r7i.48xlarge with

db.m7i.48xlarge
db.r8i.48xlarger8i family
db.r8i.48xlarge prices and specsEvery size in the r8i family

Compare db.r8i.48xlarge with

db.m8i.48xlargedb.r8g.48xlargedb.r8a.48xlarge

Pay the committed rate, with commitment protection

The best committed rate on these two is 33–53% 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.