db.r6g.xlargevsdb.r6i.xlarge

db.r6g.xlarge is 10% cheaper than db.r6i.xlarge on demand in US East (N. Virginia), saving $36.50 a month.

At a glancedb.r6g.xlargedb.r6i.xlarge
On-demand$0.45/hr10% less$0.5/hr
Lowest rate$0.2597/hr10% less1-yr reserved, no upfront$0.2888/hr1-yr reserved, no upfront
Size4 vCPUs, 32 GiB4 vCPUs, 32 GiB

Prices in US East (N. Virginia)

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

Optiondb.r6g.xlargedb.r6i.xlargedb.r6i.xlarge vs db.r6g.xlarge
On-demandPay by the hour$0.45$0.5▲ 11%
1-yr reservedNo upfront42% off$0.259742% off$0.2888▲ 11%

Key differences

The biggest lead each one has.

Where db.r6g.xlarge leads
On-demand price$0.45 vs $0.5 per hour
10% cheaper
Physical cores4 vs 2
2× higher
Where db.r6i.xlarge leads
EBS max bandwidth10,000 Mbps vs 4,750 Mbps
2.1× higher
Sustained clock3.5 GHz vs 2.5 GHz
40% higher
Network peak12.5 Gbps vs 10 Gbps
25% higher

Specs

18 of 24 specs differ. Those are in bold.

Compute6 of 8 differdb.r6g.xlargedb.r6i.xlarge
vCPUs44
Physical cores42
Threads per core12
Architecturearm64–
ProcessorAWS Graviton2–
CPU makerAWSIntel
Sustained clock2.5 GHz3.5 GHz
BurstableNoNo
MemoryAll 1 matchdb.r6g.xlargedb.r6i.xlarge
Memory (GiB)3232
Networking3 of 3 differdb.r6g.xlargedb.r6i.xlarge
NetworkUp to 10 Gigabit–
Network baseline1.25 Gbps1.562 Gbps
Network peak10 Gbps12.5 Gbps
Storage5 of 7 differdb.r6g.xlargedb.r6i.xlarge
StorageEBS OnlyEBS Only
EBS baseline bandwidth1,188 Mbps1,250 Mbps
EBS max bandwidth4,750 Mbps10,000 Mbps
EBS baseline throughput148.5 MB/s156.25 MB/s
EBS max throughput593.75 MB/s1,250 MB/s
EBS baseline IOPS6,0006,000
EBS max IOPS20,00040,000
Instance details3 of 4 differdb.r6g.xlargedb.r6i.xlarge
Familyr6gr6i
CategoryMemory optimizedMemory optimized
Current generationYes–
Normalization factor8–
Other1 of 1 differdb.r6g.xlargedb.r6i.xlarge
Hardware Basisr6g.xlarger6i.xlarge

On-demand prices by region

Cheapest for db.r6g.xlarge first. PostgreSQL, USD per hour.

Regiondb.r6g.xlargedb.r6i.xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$0.45$0.5▲ 11%
US East (Ohio)us-east-2$0.45$0.5▲ 11%
US West (Oregon)us-west-2$0.45$0.5▲ 11%
Asia Pacific (Malaysia)ap-southeast-5$0.46$0.51▲ 11%
Asia Pacific (Thailand)ap-southeast-7$0.46$0.51▲ 11%
EU (Stockholm)eu-north-1$0.462$0.514▲ 11%
Mexico (Central)mx-central-1$0.472$0.526▲ 11%
Asia Pacific (Taipei)ap-east-2$0.486$0.54▲ 11%
Canada (Central)ca-central-1$0.486$0.541▲ 11%
Canada West (Calgary)ca-west-1$0.486$0.541▲ 11%
EU (Ireland)eu-west-1$0.504$0.56▲ 11%
Europe (Spain)eu-south-2$0.504$0.832▲ 65%
US West (N. California)us-west-1$0.504$0.56▲ 11%
Asia Pacific (Hyderabad)ap-south-2$0.512$0.858▲ 68%
Asia Pacific (Mumbai)ap-south-1$0.513$0.57▲ 11%
EU (Milan)eu-south-1$0.528$0.588▲ 11%
EU (Paris)eu-west-3$0.528$0.588▲ 11%
EU (London)eu-west-2$0.529$0.588▲ 11%
Israel (Tel Aviv)il-central-1$0.529$0.59▲ 12%
Asia Pacific (Osaka)ap-northeast-3$0.539$0.6▲ 11%
Asia Pacific (Jakarta)ap-southeast-3$0.54$0.91▲ 69%
Asia Pacific (Melbourne)ap-southeast-4$0.54$0.91▲ 69%
Asia Pacific (Seoul)ap-northeast-2$0.54$0.6▲ 11%
Asia Pacific (Singapore)ap-southeast-1$0.54$0.6▲ 11%
Asia Pacific (Sydney)ap-southeast-2$0.54$0.6▲ 11%
Asia Pacific (Tokyo)ap-northeast-1$0.54$0.6▲ 11%
AWS GovCloud (US-East)us-gov-east-1$0.54$0.7▲ 30%
AWS GovCloud (US-West)us-gov-west-1$0.54$0.7▲ 30%
EU (Frankfurt)eu-central-1$0.549$0.61▲ 11%
Middle East (Bahrain)me-south-1$0.554$0.616▲ 11%
Middle East (UAE)me-central-1$0.554$0.915▲ 65%
Asia Pacific (New Zealand)ap-southeast-6$0.567$0.63▲ 11%
Asia Pacific (Hong Kong)ap-east-1$0.593$0.66▲ 11%
Africa (Cape Town)af-south-1$0.599$0.666▲ 11%
Europe (Zurich)eu-central-2$0.603$1.001▲ 66%
South America (Sao Paulo)sa-east-1$0.935$1.048▲ 12%

Keep exploring

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

db.r6g.xlargeMemory optimized, r6g family
db.r6g.xlarge prices and specsEvery size in the r6g family

Compare db.r6g.xlarge with

db.m6g.xlargedb.r6i.xlarge.tpc2.mem2xdb.r6i.xlarge.tpc2.mem4xdb.r6gd.xlargedb.r7g.xlarge
db.r6i.xlargeMemory optimized, r6i family
db.r6i.xlarge prices and specsEvery size in the r6i family

Compare db.r6i.xlarge with

db.m6i.xlargedb.r6id.xlargedb.r6idn.xlargedb.r6in.xlargedb.r5.xlargedb.r5.xlarge.tpc2.mem2xdb.r5.xlarge.tpc2.mem4xdb.r7i.xlargedb.r7i.xlarge.tpc2.mem2xdb.r7i.xlarge.tpc2.mem4x

Pay the committed rate, with commitment protection

The best committed rate on these two is 42% 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.