db.r5d.2xlargevsdb.r6id.2xlarge

db.r5d.2xlarge is 4% cheaper than db.r6id.2xlarge on demand in US East (N. Virginia), saving $36.50 a month.

At a glancedb.r5d.2xlargedb.r6id.2xlarge
On-demand$1.143/hr4% less$1.193/hr
Lowest rate$0.88/hr4% less1-yr reserved, no upfront$0.9185/hr1-yr reserved, no upfront
Size8 vCPUs, 64 GiB8 vCPUs, 64 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.2xlargedb.r6id.2xlargedb.r6id.2xlarge vs db.r5d.2xlarge
On-demandPay by the hour$1.143$1.193▲ 4%
1-yr reservedNo upfront23% off$0.8823% off$0.9185▲ 4%

Key differences

The biggest lead each one has.

Where db.r5d.2xlarge leads
On-demand price$1.143 vs $1.193 per hour
4% cheaper
Where db.r6id.2xlarge leads
EBS max IOPS40,000 vs 18,750
2.1× higher
Network baseline3.125 Gbps vs 2.5 Gbps
25% 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.2xlargedb.r6id.2xlarge
vCPUs88
Physical cores44
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.2xlargedb.r6id.2xlarge
Memory (GiB)6464
Networking3 of 3 differdb.r5d.2xlargedb.r6id.2xlarge
NetworkUp to 10 GbpsUp to 12.5 Gbps
Network baseline2.5 Gbps3.125 Gbps
Network peak10 Gbps12.5 Gbps
Storage7 of 8 differdb.r5d.2xlargedb.r6id.2xlarge
Storage1 x 300 NVMe SSD1 x 474 NVMe SSD
Local disks1 × 300 GB SSD1 × 474 GB SSD
EBS baseline bandwidth2,300 Mbps2,500 Mbps
EBS max bandwidth4,750 Mbps10,000 Mbps
EBS baseline throughput287.5 MB/s312.5 MB/s
EBS max throughput593.75 MB/s1,250 MB/s
EBS baseline IOPS12,00012,000
EBS max IOPS18,75040,000
Instance details2 of 4 differdb.r5d.2xlargedb.r6id.2xlarge
Familyr5dr6id
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor–48
Other1 of 1 differdb.r5d.2xlargedb.r6id.2xlarge
Hardware Basisr5d.2xlarger6id.2xlarge

On-demand prices by region

Cheapest for db.r5d.2xlarge first. PostgreSQL, USD per hour.

Regiondb.r5d.2xlargedb.r6id.2xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$1.143$1.193▲ 4%
US East (Ohio)us-east-2$1.143$1.193▲ 4%
US West (Oregon)us-west-2$1.143$1.193▲ 4%
EU (Ireland)eu-west-1$1.271$1.326▲ 4%
Asia Pacific (Tokyo)ap-northeast-1$1.374$1.431▲ 4%
Asia Pacific (Sydney)ap-southeast-2$1.383$1.443▲ 4%
EU (Frankfurt)eu-central-1$1.389$1.447▲ 4%

Keep exploring

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

db.r5d.2xlargeMemory optimized, r5d family
db.r5d.2xlarge prices and specsEvery size in the r5d family

Compare db.r5d.2xlarge with

db.m5d.2xlargedb.r5.2xlargedb.r5.2xlarge.tpc1.mem2xdb.r5.2xlarge.tpc2.mem4xdb.r5.2xlarge.tpc2.mem8x
db.r6id.2xlargeMemory optimized, r6id family
db.r6id.2xlarge prices and specsEvery size in the r6id family

Compare db.r6id.2xlarge with

db.r6i.2xlargedb.r6i.2xlarge.tpc1.mem2xdb.r6i.2xlarge.tpc2.mem4xdb.r6i.2xlarge.tpc2.mem8xdb.m6id.2xlargedb.r6gd.2xlarge

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.