db.r6g.16xlargevsdb.r6gd.16xlarge

db.r6g.16xlarge is 13% cheaper than db.r6gd.16xlarge on demand in US East (N. Virginia), saving $755.55 a month.

At a glancedb.r6g.16xlargedb.r6gd.16xlarge
On-demand$7.194/hr13% less$8.229/hr
Lowest rate$4.155/hr34% less1-yr reserved, no upfront$6.336/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.r6gd.16xlargedb.r6gd.16xlarge vs db.r6g.16xlarge
On-demandPay by the hour$7.194$8.229▲ 14%
1-yr reservedNo upfront42% off$4.15523% off$6.336▲ 52%

Key differences

The biggest lead each one has.

Where db.r6g.16xlarge leads
On-demand price$7.194 vs $8.229 per hour
13% cheaper
Where db.r6gd.16xlarge leads

No clear lead on the measures we compare.

Specs

8 of 25 specs differ. Those are in bold.

Compute1 of 8 differdb.r6g.16xlargedb.r6gd.16xlarge
vCPUs6464
Physical cores6464
Threads per core11
Architecturearm64arm64
ProcessorAWS Graviton2–
CPU makerAWSAWS
Sustained clock2.5 GHz2.5 GHz
BurstableNoNo
MemoryAll 1 matchdb.r6g.16xlargedb.r6gd.16xlarge
Memory (GiB)512512
Networking1 of 3 differdb.r6g.16xlargedb.r6gd.16xlarge
Network25 Gigabit–
Network baseline25 Gbps25 Gbps
Network peak25 Gbps25 Gbps
Storage2 of 8 differdb.r6g.16xlargedb.r6gd.16xlarge
StorageEBS Only–
Local disks–2 × 1,900 GB SSD
EBS baseline bandwidth19,000 Mbps19,000 Mbps
EBS max bandwidth19,000 Mbps19,000 Mbps
EBS baseline throughput2,375 MB/s2,375 MB/s
EBS max throughput2,375 MB/s2,375 MB/s
EBS baseline IOPS80,00080,000
EBS max IOPS80,00080,000
Instance details3 of 4 differdb.r6g.16xlargedb.r6gd.16xlarge
Familyr6gr6gd
CategoryMemory optimized–
Current generationYes–
Normalization factor128128
Other1 of 1 differdb.r6g.16xlargedb.r6gd.16xlarge
Hardware Basisr6g.16xlarger6gd.16xlarge

On-demand prices by region

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

Regiondb.r6g.16xlargedb.r6gd.16xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$7.194$8.229▲ 14%
US East (Ohio)us-east-2$7.194$8.229▲ 14%
US West (Oregon)us-west-2$7.194$8.229▲ 14%
Asia Pacific (Malaysia)ap-southeast-5$7.36$8.416▲ 14%
Asia Pacific (Thailand)ap-southeast-7$7.36$8.416▲ 14%
EU (Stockholm)eu-north-1$7.395$10.291▲ 39%
Mexico (Central)mx-central-1$7.552$8.64▲ 14%
Asia Pacific (Taipei)ap-east-2$7.776$8.896▲ 14%
Canada (Central)ca-central-1$7.778$8.903▲ 14%
EU (Ireland)eu-west-1$8.057$9.151▲ 14%
US West (N. California)us-west-1$8.057$9.36▲ 16%
Europe (Spain)eu-south-2$8.064$9.152▲ 13%
Asia Pacific (Mumbai)ap-south-1$8.201$9.414▲ 15%
EU (Paris)eu-west-3$8.448$9.679▲ 15%
EU (London)eu-west-2$8.46$11.674▲ 38%
Israel (Tel Aviv)il-central-1$8.47$9.61▲ 13%
Asia Pacific (Osaka)ap-northeast-3$8.627$9.891▲ 15%
Asia Pacific (Jakarta)ap-southeast-3$8.632$9.876▲ 14%
Asia Pacific (Seoul)ap-northeast-2$8.632$12.019▲ 39%
Asia Pacific (Singapore)ap-southeast-1$8.632$9.876▲ 14%
Asia Pacific (Sydney)ap-southeast-2$8.632$9.942▲ 15%
Asia Pacific (Tokyo)ap-northeast-1$8.632$9.876▲ 14%
AWS GovCloud (US-East)us-gov-east-1$8.634$9.888▲ 15%
AWS GovCloud (US-West)us-gov-west-1$8.634$9.888▲ 15%
EU (Frankfurt)eu-central-1$8.776$9.951▲ 13%
Asia Pacific (New Zealand)ap-southeast-6$9.072$16.403▲ 81%
Europe (Zurich)eu-central-2$9.645$10.928▲ 13%
South America (Sao Paulo)sa-east-1$14.967$20.621▲ 38%

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.r7g.16xlarge
db.r6gd.16xlarger6gd family
db.r6gd.16xlarge prices and specsEvery size in the r6gd family

Compare db.r6gd.16xlarge with

db.m6gd.16xlargedb.r6id.16xlargedb.c6gd.16xlargedb.r8gd.16xlarge

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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.