db.r6g.12xlargevsdb.r6gd.12xlarge

db.r6g.12xlarge is 13% cheaper than db.r6gd.12xlarge on demand in US East (N. Virginia), saving $566.48 a month.

At a glancedb.r6g.12xlargedb.r6gd.12xlarge
On-demand$5.395/hr13% less$6.171/hr
Lowest rate$3.116/hr34% less1-yr reserved, no upfront$4.752/hr1-yr reserved, no upfront
Size48 vCPUs, 384 GiB48 vCPUs, 384 GiB
ProcessorAWS Graviton2AWS Graviton2
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.12xlargedb.r6gd.12xlargedb.r6gd.12xlarge vs db.r6g.12xlarge
On-demandPay by the hour$5.395$6.171▲ 14%
1-yr reservedNo upfront42% off$3.11623% off$4.752▲ 52%

Key differences

The biggest lead each one has.

Where db.r6g.12xlarge leads
On-demand price$5.395 vs $6.171 per hour
13% cheaper
Where db.r6gd.12xlarge leads

No clear lead on the measures we compare.

Specs

5 of 25 specs differ. Those are in bold.

ComputeAll 8 matchdb.r6g.12xlargedb.r6gd.12xlarge
vCPUs4848
Physical cores4848
Threads per core11
Architecturearm64arm64
ProcessorAWS Graviton2AWS Graviton2
CPU makerAWSAWS
Sustained clock2.5 GHz2.5 GHz
BurstableNoNo
MemoryAll 1 matchdb.r6g.12xlargedb.r6gd.12xlarge
Memory (GiB)384384
NetworkingAll 3 matchdb.r6g.12xlargedb.r6gd.12xlarge
Network20 Gigabit20 Gigabit
Network baseline20 Gbps20 Gbps
Network peak20 Gbps20 Gbps
Storage2 of 8 differdb.r6g.12xlargedb.r6gd.12xlarge
StorageAurora IO Optimization Mode2 x 1425 NVMe SSD
Local disks–2 × 1,425 GB SSD
EBS baseline bandwidth14,250 Mbps14,250 Mbps
EBS max bandwidth14,250 Mbps14,250 Mbps
EBS baseline throughput1,781.25 MB/s1,781.25 MB/s
EBS max throughput1,781.25 MB/s1,781.25 MB/s
EBS baseline IOPS50,00050,000
EBS max IOPS50,00050,000
Instance details2 of 4 differdb.r6g.12xlargedb.r6gd.12xlarge
Familyr6gr6gd
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor124.896
Other1 of 1 differdb.r6g.12xlargedb.r6gd.12xlarge
Hardware Basisr6g.12xlarger6gd.12xlarge

On-demand prices by region

Cheapest for db.r6g.12xlarge first. PostgreSQL, USD per hour.

Regiondb.r6g.12xlargedb.r6gd.12xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$5.395$6.171▲ 14%
US East (Ohio)us-east-2$5.395$6.171▲ 14%
US West (Oregon)us-west-2$5.395$6.171▲ 14%
Asia Pacific (Malaysia)ap-southeast-5$5.52$6.312▲ 14%
Asia Pacific (Thailand)ap-southeast-7$5.52$6.312▲ 14%
EU (Stockholm)eu-north-1$5.546$7.718▲ 39%
Mexico (Central)mx-central-1$5.664$6.48▲ 14%
Asia Pacific (Taipei)ap-east-2$5.832$6.672▲ 14%
Canada (Central)ca-central-1$5.833$6.677▲ 14%
EU (Ireland)eu-west-1$6.043$6.863▲ 14%
US West (N. California)us-west-1$6.043$7.02▲ 16%
Europe (Spain)eu-south-2$6.048$6.864▲ 13%
Asia Pacific (Mumbai)ap-south-1$6.151$7.061▲ 15%
EU (Paris)eu-west-3$6.336$7.26▲ 15%
EU (London)eu-west-2$6.345$8.755▲ 38%
Israel (Tel Aviv)il-central-1$6.35$7.207▲ 13%
Asia Pacific (Osaka)ap-northeast-3$6.47$7.418▲ 15%
Asia Pacific (Jakarta)ap-southeast-3$6.474$7.407▲ 14%
Asia Pacific (Seoul)ap-northeast-2$6.474$9.014▲ 39%
Asia Pacific (Singapore)ap-southeast-1$6.474$7.407▲ 14%
Asia Pacific (Sydney)ap-southeast-2$6.474$7.456▲ 15%
Asia Pacific (Tokyo)ap-northeast-1$6.474$7.407▲ 14%
AWS GovCloud (US-East)us-gov-east-1$6.475$7.416▲ 15%
AWS GovCloud (US-West)us-gov-west-1$6.475$7.416▲ 15%
EU (Frankfurt)eu-central-1$6.582$7.463▲ 13%
Asia Pacific (New Zealand)ap-southeast-6$6.804$12.302▲ 81%
Europe (Zurich)eu-central-2$7.234$8.196▲ 13%
South America (Sao Paulo)sa-east-1$11.225$15.466▲ 38%

Keep exploring

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

db.r6g.12xlargeMemory optimized, r6g family
db.r6g.12xlarge prices and specsEvery size in the r6g family

Compare db.r6g.12xlarge with

db.m6g.12xlargedb.r6i.12xlargedb.r6i.12xlarge.tpc2.mem2xdb.r7g.12xlarge
db.r6gd.12xlargeMemory optimized, r6gd family
db.r6gd.12xlarge prices and specsEvery size in the r6gd family

Compare db.r6gd.12xlarge with

db.m6gd.12xlargedb.r6id.12xlargedb.c6gd.12xlargedb.r8gd.12xlarge

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.