db.r6gd.12xlargevsdb.r6id.12xlarge

db.r6gd.12xlarge is 14% cheaper than db.r6id.12xlarge on demand in US East (N. Virginia), saving $719.78 a month. They use different processor architectures (arm64 and x86_64), so software built for one may need rebuilding to run on the other.

At a glancedb.r6gd.12xlargedb.r6id.12xlarge
On-demand$6.171/hr14% less$7.157/hr
Lowest rate$4.752/hr14% less1-yr reserved, no upfront$5.511/hr1-yr reserved, no upfront
Size48 vCPUs, 384 GiB48 vCPUs, 384 GiB
ProcessorAWS Graviton2Intel Xeon 8375
Architecturearm64x86_64

Prices in US East (N. Virginia)

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

Optiondb.r6gd.12xlargedb.r6id.12xlargedb.r6id.12xlarge vs db.r6gd.12xlarge
On-demandPay by the hour$6.171$7.157▲ 16%
1-yr reservedNo upfront23% off$4.75223% off$5.511▲ 16%

Key differences

The biggest lead each one has.

Where db.r6gd.12xlarge leads
On-demand price$6.171 vs $7.157 per hour
14% cheaper
Physical cores48 vs 24
2× higher
Network baseline20 Gbps vs 18.75 Gbps
7% higher
Where db.r6id.12xlarge leads
Sustained clock3.5 GHz vs 2.5 GHz
40% higher
EBS baseline IOPS60,000 vs 50,000
20% higher

Specs

18 of 25 specs differ. Those are in bold.

Compute6 of 8 differdb.r6gd.12xlargedb.r6id.12xlarge
vCPUs4848
Physical cores4824
Threads per core12
Architecturearm64x86_64
ProcessorAWS Graviton2Intel Xeon 8375
CPU makerAWSIntel
Sustained clock2.5 GHz3.5 GHz
BurstableNoNo
MemoryAll 1 matchdb.r6gd.12xlargedb.r6id.12xlarge
Memory (GiB)384384
Networking3 of 3 differdb.r6gd.12xlargedb.r6id.12xlarge
Network20 Gigabit18.75 Gbps
Network baseline20 Gbps18.75 Gbps
Network peak20 Gbps18.75 Gbps
Storage6 of 8 differdb.r6gd.12xlargedb.r6id.12xlarge
Storage2 x 1425 NVMe SSD2 x 1425 NVMe SSD
Local disks2 × 1,425 GB SSD2 × 1,425 GB SSD
EBS baseline bandwidth14,250 Mbps15,000 Mbps
EBS max bandwidth14,250 Mbps15,000 Mbps
EBS baseline throughput1,781.25 MB/s1,875 MB/s
EBS max throughput1,781.25 MB/s1,875 MB/s
EBS baseline IOPS50,00060,000
EBS max IOPS50,00060,000
Instance details2 of 4 differdb.r6gd.12xlargedb.r6id.12xlarge
Familyr6gdr6id
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor96192
Other1 of 1 differdb.r6gd.12xlargedb.r6id.12xlarge
Hardware Basisr6gd.12xlarger6id.12xlarge

On-demand prices by region

Cheapest for db.r6gd.12xlarge first. PostgreSQL, USD per hour.

Regiondb.r6gd.12xlargedb.r6id.12xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$6.171$7.157▲ 16%
US East (Ohio)us-east-2$6.171$7.157▲ 16%
US West (Oregon)us-west-2$6.171$7.157▲ 16%
Asia Pacific (Malaysia)ap-southeast-5$6.312$7.704▲ 22%
Asia Pacific (Thailand)ap-southeast-7$6.312$7.704▲ 22%
Mexico (Central)mx-central-1$6.48$7.512▲ 16%
Asia Pacific (Taipei)ap-east-2$6.672$7.728▲ 16%
EU (Ireland)eu-west-1$6.863$7.958▲ 16%
Israel (Tel Aviv)il-central-1$7.207$8.407▲ 17%
Asia Pacific (Tokyo)ap-northeast-1$7.407$8.584▲ 16%
Asia Pacific (Sydney)ap-southeast-2$7.456$8.659▲ 16%
EU (Frankfurt)eu-central-1$7.463$8.684▲ 16%
Asia Pacific (New Zealand)ap-southeast-6$12.302$9.096▼ 26%

Keep exploring

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

db.r6gd.12xlargeMemory optimized, r6gd family
db.r6gd.12xlarge prices and specsEvery size in the r6gd family

Compare db.r6gd.12xlarge with

db.r6g.12xlargedb.m6gd.12xlargedb.c6gd.12xlargedb.r8gd.12xlarge
db.r6id.12xlargeMemory optimized, r6id family
db.r6id.12xlarge prices and specsEvery size in the r6id family

Compare db.r6id.12xlarge with

db.r6i.12xlargedb.m6id.12xlargedb.r6i.12xlarge.tpc2.mem2xdb.r5d.12xlarge

Pay the committed rate, with commitment protection

The best committed rate on these two is 23% 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.