db.r7g.12xlargevsdb.r7i.12xlarge

db.r7g.12xlarge is 4% cheaper than db.r7i.12xlarge on demand in US East (N. Virginia), saving $191.26 a month.

At a glancedb.r7g.12xlargedb.r7i.12xlarge
On-demand$5.738/hr4% less$6.00/hr
Lowest rate$4.418/hr1-yr reserved, no upfront$4.02/hr9% less1-yr reserved, no upfront
Size48 vCPUs, 384 GiB48 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.r7g.12xlargedb.r7i.12xlargedb.r7i.12xlarge vs db.r7g.12xlarge
On-demandPay by the hour$5.738$6.00▲ 5%
1-yr reservedNo upfront23% off$4.41833% off$4.02▼ 9%
1-yr savings planHourly commitment20% off$4.5920% off$4.80▲ 5%

Key differences

The biggest lead each one has.

Where db.r7g.12xlarge leads
On-demand price$5.738 vs $6.00 per hour
4% cheaper
Physical cores48 vs 24
2× higher
Network baseline22.5 Gbps vs 18.75 Gbps
20% higher
Where db.r7i.12xlarge leads
Sustained clock3.2 GHz vs 2.6 GHz
23% higher

Specs

15 of 24 specs differ. Those are in bold.

Compute6 of 8 differdb.r7g.12xlargedb.r7i.12xlarge
vCPUs4848
Physical cores4824
Threads per core12
Architecturearm64–
ProcessorAWS Graviton3–
CPU makerAWSIntel
Sustained clock2.6 GHz3.2 GHz
BurstableNoNo
MemoryAll 1 matchdb.r7g.12xlargedb.r7i.12xlarge
Memory (GiB)384384
Networking3 of 3 differdb.r7g.12xlargedb.r7i.12xlarge
Network22.5 Gigabit–
Network baseline22.5 Gbps18.75 Gbps
Network peak22.5 Gbps18.75 Gbps
Storage1 of 7 differdb.r7g.12xlargedb.r7i.12xlarge
StorageEBS 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 details4 of 4 differdb.r7g.12xlargedb.r7i.12xlarge
Familyr7gr7i
CategoryMemory optimized–
Current generationYes–
Normalization factor96–
Other1 of 1 differdb.r7g.12xlargedb.r7i.12xlarge
Hardware Basisr7g.12xlarger7i.12xlarge

On-demand prices by region

Cheapest for db.r7g.12xlarge first. PostgreSQL, USD per hour.

Regiondb.r7g.12xlargedb.r7i.12xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$5.738$6.00▲ 5%
US East (Ohio)us-east-2$5.738$6.00▲ 5%
US West (Oregon)us-west-2$5.738$6.00▲ 5%
Asia Pacific (Malaysia)ap-southeast-5$5.856$6.12▲ 5%
Asia Pacific (Thailand)ap-southeast-7$5.856$7.128▲ 22%
EU (Stockholm)eu-north-1$5.89$6.168▲ 5%
Mexico (Central)mx-central-1$6.024$6.312▲ 5%
Asia Pacific (Taipei)ap-east-2$6.192$6.48▲ 5%
Canada (Central)ca-central-1$6.197$6.48▲ 5%
Europe (Spain)eu-south-2$6.427$6.72▲ 5%
US West (N. California)us-west-1$6.427$6.72▲ 5%
EU (Ireland)eu-west-1$6.429$6.72▲ 5%
Asia Pacific (Hyderabad)ap-south-2$6.528$7.92▲ 21%
Asia Pacific (Mumbai)ap-south-1$6.528$6.84▲ 5%
EU (London)eu-west-2$6.732$7.056▲ 5%
EU (Milan)eu-south-1$6.732$7.056▲ 5%
Asia Pacific (Singapore)ap-southeast-1$6.885$7.20▲ 5%
Asia Pacific (Sydney)ap-southeast-2$6.885$7.20▲ 5%
Asia Pacific (Tokyo)ap-northeast-1$6.885$7.20▲ 5%
Asia Pacific (Seoul)ap-northeast-2$6.886$7.20▲ 5%
Asia Pacific (Jakarta)ap-southeast-3$6.888$7.20▲ 5%
Asia Pacific (Osaka)ap-northeast-3$6.888$8.40▲ 22%
AWS GovCloud (US-East)us-gov-east-1$6.888$7.20▲ 5%
AWS GovCloud (US-West)us-gov-west-1$6.888$7.20▲ 5%
EU (Frankfurt)eu-central-1$6.987$7.32▲ 5%
Asia Pacific (New Zealand)ap-southeast-6$7.234$7.56▲ 5%
EU (Paris)eu-west-3$7.632$7.056▼ 8%
South America (Sao Paulo)sa-east-1$9.123$9.54▲ 5%

Keep exploring

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

db.r7g.12xlargeMemory optimized, r7g family
db.r7g.12xlarge prices and specsEvery size in the r7g family

Compare db.r7g.12xlarge with

db.m7g.12xlargedb.r6g.12xlargedb.r8g.12xlarge
db.r7i.12xlarger7i family
db.r7i.12xlarge prices and specsEvery size in the r7i family

Compare db.r7i.12xlarge with

db.m7i.12xlargedb.r6i.12xlargedb.r6i.12xlarge.tpc2.mem2xdb.r8i.12xlarge

Pay the committed rate, with commitment protection

The best committed rate on these two is 23–33% 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.