db.r7i.12xlargevsdb.r8i.12xlarge

db.r7i.12xlarge is 5% cheaper than db.r8i.12xlarge on demand in US East (N. Virginia), saving $219.00 a month. Per vCPU, db.r7i.12xlarge costs 52% less.

At a glancedb.r7i.12xlargedb.r8i.12xlarge
On-demand$6.00/hr5% less$6.30/hr
Lowest rate$4.02/hr5% less1-yr reserved, no upfront$4.221/hr1-yr reserved, no upfront
Size48 vCPUs, 384 GiB24 vCPUs, 384 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.12xlargedb.r8i.12xlargedb.r8i.12xlarge vs db.r7i.12xlarge
On-demandPay by the hour$6.00$6.30▲ 5%
1-yr reservedNo upfront33% off$4.0233% off$4.221▲ 5%
3-yr reservedNo upfront—53% off$2.961—
1-yr savings planHourly commitment20% off$4.8020% off$5.04▲ 5%

Key differences

The biggest lead each one has.

Where db.r7i.12xlarge leads
On-demand price$6.00 vs $6.30 per hour
5% cheaper
vCPUs48 vs 24
2× higher
Where db.r8i.12xlarge leads
Sustained clock3.9 GHz vs 3.2 GHz
22% higher
Network baseline22.5 Gbps vs 18.75 Gbps
20% higher

Specs

12 of 23 specs differ. Those are in bold.

Compute4 of 8 differdb.r7i.12xlargedb.r8i.12xlarge
vCPUs4824
Physical cores2424
Threads per core22
Architecture–x86_64
Processor–Intel Xeon Scalable (Granite Rapids)
CPU makerIntelIntel
Sustained clock3.2 GHz3.9 GHz
BurstableNoNo
MemoryAll 1 matchdb.r7i.12xlargedb.r8i.12xlarge
Memory (GiB)384384
Networking3 of 3 differdb.r7i.12xlargedb.r8i.12xlarge
Network–22500 Megabit
Network baseline18.75 Gbps22.5 Gbps
Network peak18.75 Gbps22.5 Gbps
Storage1 of 7 differdb.r7i.12xlargedb.r8i.12xlarge
Storage–EBS Only
EBS baseline bandwidth15,000 Mbps15,000 Mbps
EBS max bandwidth15,000 Mbps15,000 Mbps
EBS baseline throughput1,875 MB/s1,875 MB/s
EBS max throughput1,875 MB/s1,875 MB/s
EBS baseline IOPS60,00060,000
EBS max IOPS60,00060,000
Instance details3 of 3 differdb.r7i.12xlargedb.r8i.12xlarge
Familyr7ir8i
Category–Memory optimized
Current generation–Yes
Other1 of 1 differdb.r7i.12xlargedb.r8i.12xlarge
Hardware Basisr7i.12xlarger8i.12xlarge

On-demand prices by region

Cheapest for db.r7i.12xlarge first. PostgreSQL, USD per hour.

Regiondb.r7i.12xlargedb.r8i.12xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$6.00$6.30▲ 5%
US East (Ohio)us-east-2$6.00$6.30▲ 5%
US West (Oregon)us-west-2$6.00$6.30▲ 5%
Asia Pacific (Malaysia)ap-southeast-5$6.12$6.43▲ 5%
EU (Stockholm)eu-north-1$6.168$6.476▲ 5%
Canada (Central)ca-central-1$6.48$6.80▲ 5%
EU (Ireland)eu-west-1$6.72$7.06▲ 5%
Europe (Spain)eu-south-2$6.72$7.06▲ 5%
US West (N. California)us-west-1$6.72$7.06▲ 5%
Asia Pacific (Mumbai)ap-south-1$6.84$7.18▲ 5%
EU (London)eu-west-2$7.056$7.41▲ 5%
EU (Milan)eu-south-1$7.056$7.41▲ 5%
EU (Paris)eu-west-3$7.056$7.41▲ 5%
Asia Pacific (Seoul)ap-northeast-2$7.20$7.56▲ 5%
Asia Pacific (Singapore)ap-southeast-1$7.20$7.56▲ 5%
Asia Pacific (Sydney)ap-southeast-2$7.20$7.56▲ 5%
Asia Pacific (Tokyo)ap-northeast-1$7.20$7.56▲ 5%
EU (Frankfurt)eu-central-1$7.32$7.69▲ 5%
Asia Pacific (New Zealand)ap-southeast-6$7.56$7.94▲ 5%
Asia Pacific (Hyderabad)ap-south-2$7.92$7.18▼ 9%
South America (Sao Paulo)sa-east-1$9.54$9.922▲ 4%

Keep exploring

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

db.r7i.12xlarger7i family
db.r7i.12xlarge prices and specsEvery size in the r7i family

Compare db.r7i.12xlarge with

db.r7g.12xlargedb.m7i.12xlargedb.r6i.12xlargedb.r6i.12xlarge.tpc2.mem2x
db.r8i.12xlargeMemory optimized, r8i family
db.r8i.12xlarge prices and specsEvery size in the r8i family

Compare db.r8i.12xlarge with

db.m8i.12xlargedb.r8g.12xlargedb.r8a.12xlarge

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.

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