db.r6g.16xlargevsdb.r7g.16xlarge

db.r6g.16xlarge is 6% cheaper than db.r7g.16xlarge on demand in US East (N. Virginia), saving $332.88 a month.

At a glancedb.r6g.16xlargedb.r7g.16xlarge
On-demand$7.194/hr6% less$7.65/hr
Lowest rate$4.155/hr29% less1-yr reserved, no upfront$5.891/hr1-yr reserved, no upfront
Size64 vCPUs, 512 GiB64 vCPUs, 512 GiB
Architecturearm64arm64

Prices in US East (N. Virginia)

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

Optiondb.r6g.16xlargedb.r7g.16xlargedb.r7g.16xlarge vs db.r6g.16xlarge
On-demandPay by the hour$7.194$7.65▲ 6%
1-yr reservedNo upfront42% off$4.15523% off$5.891▲ 42%
1-yr savings planHourly commitment—20% off$6.12—

Key differences

The biggest lead each one has.

Where db.r6g.16xlarge leads
On-demand price$7.194 vs $7.65 per hour
6% cheaper
Where db.r7g.16xlarge leads
Network baseline30 Gbps vs 25 Gbps
20% higher
EBS baseline bandwidth20,000 Mbps vs 19,000 Mbps
5% higher
Sustained clock2.6 GHz vs 2.5 GHz
4% higher

Specs

14 of 24 specs differ. Those are in bold.

Compute2 of 8 differdb.r6g.16xlargedb.r7g.16xlarge
vCPUs6464
Physical cores6464
Threads per core11
Architecturearm64arm64
ProcessorAWS Graviton2–
CPU makerAWSAWS
Sustained clock2.5 GHz2.6 GHz
BurstableNoNo
MemoryAll 1 matchdb.r6g.16xlargedb.r7g.16xlarge
Memory (GiB)512512
Networking3 of 3 differdb.r6g.16xlargedb.r7g.16xlarge
Network25 Gigabit–
Network baseline25 Gbps30 Gbps
Network peak25 Gbps30 Gbps
Storage5 of 7 differdb.r6g.16xlargedb.r7g.16xlarge
StorageEBS Only–
EBS baseline bandwidth19,000 Mbps20,000 Mbps
EBS max bandwidth19,000 Mbps20,000 Mbps
EBS baseline throughput2,375 MB/s2,500 MB/s
EBS max throughput2,375 MB/s2,500 MB/s
EBS baseline IOPS80,00080,000
EBS max IOPS80,00080,000
Instance details3 of 4 differdb.r6g.16xlargedb.r7g.16xlarge
Familyr6gr7g
CategoryMemory optimized–
Current generationYes–
Normalization factor128128
Other1 of 1 differdb.r6g.16xlargedb.r7g.16xlarge
Hardware Basisr6g.16xlarger7g.16xlarge

On-demand prices by region

Cheapest for db.r6g.16xlarge first. PostgreSQL, USD per hour.

Regiondb.r6g.16xlargedb.r7g.16xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$7.194$7.65▲ 6%
US East (Ohio)us-east-2$7.194$7.65▲ 6%
US West (Oregon)us-west-2$7.194$7.65▲ 6%
Asia Pacific (Malaysia)ap-southeast-5$7.36$7.808▲ 6%
Asia Pacific (Thailand)ap-southeast-7$7.36$7.808▲ 6%
EU (Stockholm)eu-north-1$7.395$7.853▲ 6%
Mexico (Central)mx-central-1$7.552$8.032▲ 6%
Asia Pacific (Taipei)ap-east-2$7.776$8.256▲ 6%
Canada (Central)ca-central-1$7.778$8.262▲ 6%
Canada West (Calgary)ca-west-1$7.778$8.256▲ 6%
EU (Ireland)eu-west-1$8.057$8.572▲ 6%
US West (N. California)us-west-1$8.057$8.57▲ 6%
Europe (Spain)eu-south-2$8.064$8.57▲ 6%
Asia Pacific (Hyderabad)ap-south-2$8.192$8.704▲ 6%
Asia Pacific (Mumbai)ap-south-1$8.201$8.704▲ 6%
EU (Milan)eu-south-1$8.448$8.976▲ 6%
EU (Paris)eu-west-3$8.448$10.176▲ 20%
EU (London)eu-west-2$8.46$8.976▲ 6%
Israel (Tel Aviv)il-central-1$8.47$9.024▲ 7%
Asia Pacific (Osaka)ap-northeast-3$8.627$9.184▲ 6%
Asia Pacific (Jakarta)ap-southeast-3$8.632$9.184▲ 6%
Asia Pacific (Seoul)ap-northeast-2$8.632$9.181▲ 6%
Asia Pacific (Singapore)ap-southeast-1$8.632$9.18▲ 6%
Asia Pacific (Sydney)ap-southeast-2$8.632$9.18▲ 6%
Asia Pacific (Tokyo)ap-northeast-1$8.632$9.18▲ 6%
AWS GovCloud (US-East)us-gov-east-1$8.634$9.184▲ 6%
AWS GovCloud (US-West)us-gov-west-1$8.634$9.184▲ 6%
EU (Frankfurt)eu-central-1$8.776$9.316▲ 6%
Middle East (Bahrain)me-south-1$8.863$9.408▲ 6%
Middle East (UAE)me-central-1$8.864$10.656▲ 20%
Asia Pacific (New Zealand)ap-southeast-6$9.072$9.645▲ 6%
Asia Pacific (Hong Kong)ap-east-1$9.496$10.099▲ 6%
Africa (Cape Town)af-south-1$9.581$11.712▲ 22%
Europe (Zurich)eu-central-2$9.645$10.24▲ 6%
South America (Sao Paulo)sa-east-1$14.967$12.164▼ 19%

Keep exploring

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

db.r6g.16xlargeMemory optimized, r6g family
db.r6g.16xlarge prices and specsEvery size in the r6g family

Compare db.r6g.16xlarge with

db.m6g.16xlargedb.r6i.16xlargedb.r6gd.16xlarge
db.r7g.16xlarger7g family
db.r7g.16xlarge prices and specsEvery size in the r7g family

Compare db.r7g.16xlarge with

db.m7g.16xlargedb.r7i.16xlargedb.r8g.16xlarge

Pay the committed rate, with commitment protection

The best committed rate on these two is 23–42% 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.