db.r5d.8xlargevsdb.r6id.8xlarge

db.r5d.8xlarge is 4% cheaper than db.r6id.8xlarge on demand in US East (N. Virginia), saving $146.00 a month.

At a glancedb.r5d.8xlargedb.r6id.8xlarge
On-demand$4.571/hr4% less$4.771/hr
Lowest rate$3.52/hr4% less1-yr reserved, no upfront$3.674/hr1-yr reserved, no upfront
Size32 vCPUs, 256 GiB32 vCPUs, 256 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.8xlargedb.r6id.8xlargedb.r6id.8xlarge vs db.r5d.8xlarge
On-demandPay by the hour$4.571$4.771▲ 4%
1-yr reservedNo upfront23% off$3.5223% off$3.674▲ 4%

Key differences

The biggest lead each one has.

Where db.r5d.8xlarge leads
On-demand price$4.571 vs $4.771 per hour
4% cheaper
Where db.r6id.8xlarge leads
EBS baseline bandwidth10,000 Mbps vs 6,800 Mbps
47% higher
Network baseline12.5 Gbps vs 10 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.8xlargedb.r6id.8xlarge
vCPUs3232
Physical cores1616
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.8xlargedb.r6id.8xlarge
Memory (GiB)256256
Networking3 of 3 differdb.r5d.8xlargedb.r6id.8xlarge
Network10 Gbps12.5 Gbps
Network baseline10 Gbps12.5 Gbps
Network peak10 Gbps12.5 Gbps
Storage8 of 8 differdb.r5d.8xlargedb.r6id.8xlarge
Storage2 x 600 NVMe SSD1 x 1900 NVMe SSD
Local disks2 × 600 GB SSD1 × 1,900 GB SSD
EBS baseline bandwidth6,800 Mbps10,000 Mbps
EBS max bandwidth6,800 Mbps10,000 Mbps
EBS baseline throughput850 MB/s1,250 MB/s
EBS max throughput850 MB/s1,250 MB/s
EBS baseline IOPS30,00040,000
EBS max IOPS30,00040,000
Instance details1 of 4 differdb.r5d.8xlargedb.r6id.8xlarge
Familyr5dr6id
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor128128
Other1 of 1 differdb.r5d.8xlargedb.r6id.8xlarge
Hardware Basisr5d.8xlarger6id.8xlarge

On-demand prices by region

Cheapest for db.r5d.8xlarge first. PostgreSQL, USD per hour.

Regiondb.r5d.8xlargedb.r6id.8xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$4.571$4.771▲ 4%
US East (Ohio)us-east-2$4.571$4.771▲ 4%
US West (Oregon)us-west-2$4.571$4.771▲ 4%
EU (Ireland)eu-west-1$5.084$5.305▲ 4%
Asia Pacific (Tokyo)ap-northeast-1$5.495$5.722▲ 4%
Asia Pacific (Sydney)ap-southeast-2$5.531$5.772▲ 4%
EU (Frankfurt)eu-central-1$5.554$5.789▲ 4%

Keep exploring

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

db.r5d.8xlargeMemory optimized, r5d family
db.r5d.8xlarge prices and specsEvery size in the r5d family

Compare db.r5d.8xlarge with

db.m5d.8xlargedb.r5.8xlargedb.r5.8xlarge.tpc2.mem3x
db.r6id.8xlargeMemory optimized, r6id family
db.r6id.8xlarge prices and specsEvery size in the r6id family

Compare db.r6id.8xlarge with

db.r6i.8xlargedb.r6i.8xlarge.tpc2.mem3xdb.r6i.8xlarge.tpc2.mem4xdb.m6id.8xlargedb.r6gd.8xlarge

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.