db.r5d.12xlargevsdb.r6id.12xlarge

db.r5d.12xlarge is 4% cheaper than db.r6id.12xlarge on demand in US East (N. Virginia), saving $219.00 a month.

At a glancedb.r5d.12xlargedb.r6id.12xlarge
On-demand$6.857/hr4% less$7.157/hr
Lowest rate$5.28/hr4% less1-yr reserved, no upfront$5.511/hr1-yr reserved, no upfront
Size48 vCPUs, 384 GiB48 vCPUs, 384 GiB
ProcessorIntel Xeon Platinum 8175Intel Xeon 8375
Architecturex86_64x86_64

Prices in US East (N. Virginia)

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

Optiondb.r5d.12xlargedb.r6id.12xlargedb.r6id.12xlarge vs db.r5d.12xlarge
On-demandPay by the hour$6.857$7.157▲ 4%
1-yr reservedNo upfront23% off$5.2823% off$5.511▲ 4%

Key differences

The biggest lead each one has.

Where db.r5d.12xlarge leads
On-demand price$6.857 vs $7.157 per hour
4% cheaper
Where db.r6id.12xlarge leads
EBS baseline bandwidth15,000 Mbps vs 9,500 Mbps
58% higher
Network baseline18.75 Gbps vs 12 Gbps
56% higher
Sustained clock3.5 GHz vs 3.1 GHz
13% higher

Specs

15 of 25 specs differ. Those are in bold.

Compute2 of 8 differdb.r5d.12xlargedb.r6id.12xlarge
vCPUs4848
Physical cores2424
Threads per core22
Architecturex86_64x86_64
ProcessorIntel Xeon Platinum 8175Intel Xeon 8375
CPU makerIntelIntel
Sustained clock3.1 GHz3.5 GHz
BurstableNoNo
MemoryAll 1 matchdb.r5d.12xlargedb.r6id.12xlarge
Memory (GiB)384384
Networking3 of 3 differdb.r5d.12xlargedb.r6id.12xlarge
Network10 Gbps18.75 Gbps
Network baseline12 Gbps18.75 Gbps
Network peak12 Gbps18.75 Gbps
Storage8 of 8 differdb.r5d.12xlargedb.r6id.12xlarge
Storage2 x 900 NVMe SSD2 x 1425 NVMe SSD
Local disks2 × 900 GB SSD2 × 1,425 GB SSD
EBS baseline bandwidth9,500 Mbps15,000 Mbps
EBS max bandwidth9,500 Mbps15,000 Mbps
EBS baseline throughput1,187.5 MB/s1,875 MB/s
EBS max throughput1,187.5 MB/s1,875 MB/s
EBS baseline IOPS40,00060,000
EBS max IOPS40,00060,000
Instance details1 of 4 differdb.r5d.12xlargedb.r6id.12xlarge
Familyr5dr6id
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor192192
Other1 of 1 differdb.r5d.12xlargedb.r6id.12xlarge
Hardware Basisr5d.12xlarger6id.12xlarge

On-demand prices by region

Cheapest for db.r5d.12xlarge first. PostgreSQL, USD per hour.

Regiondb.r5d.12xlargedb.r6id.12xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$6.857$7.157▲ 4%
US East (Ohio)us-east-2$6.857$7.157▲ 4%
US West (Oregon)us-west-2$6.857$7.157▲ 4%
EU (Ireland)eu-west-1$7.626$7.958▲ 4%
Asia Pacific (Tokyo)ap-northeast-1$8.242$8.584▲ 4%
Asia Pacific (Sydney)ap-southeast-2$8.297$8.659▲ 4%
EU (Frankfurt)eu-central-1$8.331$8.684▲ 4%

Keep exploring

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

db.r5d.12xlargeMemory optimized, r5d family
db.r5d.12xlarge prices and specsEvery size in the r5d family

Compare db.r5d.12xlarge with

db.m5d.12xlargedb.r5.12xlargedb.r5.12xlarge.tpc2.mem2x
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.r6gd.12xlargedb.r6i.12xlarge.tpc2.mem2x

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.

Connect AWS account

AWS RDS PostgreSQL prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.