db.r7g.largevsdb.r8g.large

db.r7g.large and db.r8g.large cost the same on demand in US East (N. Virginia), $0.239 per hour.

At a glancedb.r7g.largedb.r8g.large
On-demand$0.239/hr$0.239/hr
Lowest rate$0.1841/hr1-yr reserved, no upfront$0.16/hr13% less1-yr reserved, no upfront
Size2 vCPUs, 16 GiB2 vCPUs, 16 GiB
ProcessorAWS Graviton3AWS Graviton4
Architecturearm64arm64

Prices in US East (N. Virginia)

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

Optiondb.r7g.largedb.r8g.largedb.r8g.large vs db.r7g.large
On-demandPay by the hour$0.239$0.239Same
1-yr reservedNo upfront23% off$0.184133% off$0.16▼ 13%
3-yr reservedNo upfront—53% off$0.1123—
1-yr savings planHourly commitment20% off$0.191220% off$0.1912Same

Key differences

The biggest lead each one has.

Where db.r7g.large leads

No clear lead on the measures we compare.

Where db.r8g.large leads
Sustained clock2.8 GHz vs 2.6 GHz
8% higher

Specs

4 of 24 specs differ. Those are in bold.

Compute2 of 8 differdb.r7g.largedb.r8g.large
vCPUs22
Physical cores22
Threads per core11
Architecturearm64arm64
ProcessorAWS Graviton3AWS Graviton4
CPU makerAWSAWS
Sustained clock2.6 GHz2.8 GHz
BurstableNoNo
MemoryAll 1 matchdb.r7g.largedb.r8g.large
Memory (GiB)1616
NetworkingAll 3 matchdb.r7g.largedb.r8g.large
NetworkUp to 12.5 GigabitUp to 12.5 Gigabit
Network baseline0.937 Gbps0.937 Gbps
Network peak12.5 Gbps12.5 Gbps
StorageAll 7 matchdb.r7g.largedb.r8g.large
StorageAurora IO Optimization ModeAurora IO Optimization Mode
EBS baseline bandwidth630 Mbps630 Mbps
EBS max bandwidth10,000 Mbps10,000 Mbps
EBS baseline throughput78.75 MB/s78.75 MB/s
EBS max throughput1,250 MB/s1,250 MB/s
EBS baseline IOPS3,6003,600
EBS max IOPS40,00040,000
Instance details1 of 4 differdb.r7g.largedb.r8g.large
Familyr7gr8g
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor5.25.2
Other1 of 1 differdb.r7g.largedb.r8g.large
Hardware Basisr7g.larger8g.large

On-demand prices by region

Cheapest for db.r7g.large first. PostgreSQL, USD per hour.

Regiondb.r7g.largedb.r8g.largeDifference
US East (N. Virginia)Used in summaryus-east-1$0.239$0.239Same
US East (Ohio)us-east-2$0.239$0.239Same
US West (Oregon)us-west-2$0.239$0.239Same
Asia Pacific (Malaysia)ap-southeast-5$0.244$0.244Same
EU (Stockholm)eu-north-1$0.2454$0.245Same
Mexico (Central)mx-central-1$0.251$0.251Same
Canada (Central)ca-central-1$0.2582$0.258Same
Europe (Spain)eu-south-2$0.2678$0.268Same
US West (N. California)us-west-1$0.2678$0.268Same
EU (Ireland)eu-west-1$0.268$0.268Same
Asia Pacific (Hyderabad)ap-south-2$0.272$0.272Same
Asia Pacific (Mumbai)ap-south-1$0.272$0.272Same
EU (London)eu-west-2$0.2805$0.281Same
Asia Pacific (Seoul)ap-northeast-2$0.2869$0.287Same
Asia Pacific (Jakarta)ap-southeast-3$0.287$0.287Same
Asia Pacific (Osaka)ap-northeast-3$0.287$0.287Same
Asia Pacific (Singapore)ap-southeast-1$0.287$0.287Same
Asia Pacific (Sydney)ap-southeast-2$0.287$0.287Same
Asia Pacific (Tokyo)ap-northeast-1$0.287$0.287Same
AWS GovCloud (US-East)us-gov-east-1$0.287$0.287Same
AWS GovCloud (US-West)us-gov-west-1$0.287$0.287Same
EU (Frankfurt)eu-central-1$0.291$0.291Same
Asia Pacific (Hong Kong)ap-east-1$0.316$0.316Same
EU (Paris)eu-west-3$0.318$0.28▼ 12%
Europe (Zurich)eu-central-2$0.32$0.32Same
South America (Sao Paulo)sa-east-1$0.38$0.38Same

Keep exploring

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

db.r7g.largeMemory optimized, r7g family
db.r7g.large prices and specsEvery size in the r7g family

Compare db.r7g.large with

db.m7g.largedb.r7i.largedb.r6g.large
db.r8g.largeMemory optimized, r8g family
db.r8g.large prices and specsEvery size in the r8g family

Compare db.r8g.large with

db.m8g.largedb.r8gd.largedb.r8i.largedb.r8a.large

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.