db.r5d.largevsdb.r6id.large

db.r5d.large is 4% cheaper than db.r6id.large on demand in US East (N. Virginia), saving $8.76 a month.

At a glancedb.r5d.largedb.r6id.large
On-demand$0.286/hr4% less$0.298/hr
Lowest rate$0.22/hr4% less1-yr reserved, no upfront$0.2296/hr1-yr reserved, no upfront
Size2 vCPUs, 16 GiB2 vCPUs, 16 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.largedb.r6id.largedb.r6id.large vs db.r5d.large
On-demandPay by the hour$0.286$0.298▲ 4%
1-yr reservedNo upfront23% off$0.2223% off$0.2296▲ 4%

Key differences

The biggest lead each one has.

Where db.r5d.large leads
On-demand price$0.286 vs $0.298 per hour
4% cheaper
Where db.r6id.large leads
EBS max IOPS40,000 vs 18,750
2.1× higher
Network peak12.5 Gbps vs 10 Gbps
25% higher
Sustained clock3.5 GHz vs 3.1 GHz
13% higher

Specs

13 of 25 specs differ. Those are in bold.

Compute2 of 8 differdb.r5d.largedb.r6id.large
vCPUs22
Physical cores11
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.largedb.r6id.large
Memory (GiB)1616
Networking3 of 3 differdb.r5d.largedb.r6id.large
NetworkUp to 10 GbpsUp to 12.5 Gbps
Network baseline0.75 Gbps0.781 Gbps
Network peak10 Gbps12.5 Gbps
Storage5 of 8 differdb.r5d.largedb.r6id.large
Storage1 x 75 NVMe SSD1 x 118 NVMe SSD
Local disks1 × 75 GB SSD1 × 118 GB SSD
EBS baseline bandwidth650 Mbps650 Mbps
EBS max bandwidth4,750 Mbps10,000 Mbps
EBS baseline throughput81.25 MB/s81.25 MB/s
EBS max throughput593.75 MB/s1,250 MB/s
EBS baseline IOPS3,6003,600
EBS max IOPS18,75040,000
Instance details2 of 4 differdb.r5d.largedb.r6id.large
Familyr5dr6id
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor128
Other1 of 1 differdb.r5d.largedb.r6id.large
Hardware Basisr5d.larger6id.large

On-demand prices by region

Cheapest for db.r5d.large first. PostgreSQL, USD per hour.

Regiondb.r5d.largedb.r6id.largeDifference
US East (N. Virginia)Used in summaryus-east-1$0.286$0.298▲ 4%
US East (Ohio)us-east-2$0.286$0.298▲ 4%
US West (Oregon)us-west-2$0.286$0.298▲ 4%
EU (Ireland)eu-west-1$0.318$0.332▲ 4%
Asia Pacific (Tokyo)ap-northeast-1$0.343$0.358▲ 4%
Asia Pacific (Sydney)ap-southeast-2$0.346$0.361▲ 4%
EU (Frankfurt)eu-central-1$0.347$0.362▲ 4%

Keep exploring

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

db.r5d.largeMemory optimized, r5d family
db.r5d.large prices and specsEvery size in the r5d family

Compare db.r5d.large with

db.m5d.largedb.r5.largedb.r5.large.tpc1.mem2x
db.r6id.largeMemory optimized, r6id family
db.r6id.large prices and specsEvery size in the r6id family

Compare db.r6id.large with

db.r6i.largedb.r6i.large.tpc1.mem2xdb.m6id.largedb.r6gd.large

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.