db.r5.8xlarge.tpc2.mem3xvsdb.r5b.8xlarge

db.r5b.8xlarge is 58% cheaper than db.r5.8xlarge.tpc2.mem3x on demand in US East (N. Virginia), saving $4,707.04 a month.

At a glancedb.r5.8xlarge.tpc2.mem3xdb.r5b.8xlarge
On-demand$11.184/hr$4.736/hr58% less
Lowest rate$6.469/hr1-yr reserved, no upfront$2.743/hr58% less1-yr reserved, no upfront
Size32 vCPUs, 768 GiB32 vCPUs, 256 GiB
ProcessorIntel Xeon Platinum 8175Intel Xeon Platinum 8000 series
Architecturex86_64x86_64

Prices in US East (N. Virginia)

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

Optiondb.r5.8xlarge.tpc2.mem3xdb.r5b.8xlargedb.r5b.8xlarge vs db.r5.8xlarge.tpc2.mem3x
On-demandPay by the hour$11.184$4.736▼ 58%
1-yr reservedNo upfront42% off$6.46942% off$2.743▼ 58%

Key differences

The biggest lead each one has.

Where db.r5.8xlarge.tpc2.mem3x leads
Memory (GiB)768 vs 256
3× higher
Where db.r5b.8xlarge leads
On-demand price$4.736 vs $11.184 per hour
58% cheaper

Specs

20 of 26 specs differ. Those are in bold.

Compute6 of 9 differdb.r5.8xlarge.tpc2.mem3xdb.r5b.8xlarge
vCPUs3232
Physical cores–16
Threads per core–2
Architecturex86_64x86_64
ProcessorIntel Xeon Platinum 8175Intel Xeon Platinum 8000 series
CPU maker–Intel
Clock speedUp to 3.1 GHzUp to 3.1 GHz
Sustained clock–3.1 GHz
Burstable–No
Memory1 of 1 differdb.r5.8xlarge.tpc2.mem3xdb.r5b.8xlarge
Memory (GiB)768256
Networking3 of 3 differdb.r5.8xlarge.tpc2.mem3xdb.r5b.8xlarge
Network25 Gigabit10 Gigabit
Network baseline–10 Gbps
Network peak–10 Gbps
Storage7 of 8 differdb.r5.8xlarge.tpc2.mem3xdb.r5b.8xlarge
StorageEBS OnlyEBS Only
EBS throughput–2500 Mbps
EBS baseline bandwidth–20,000 Mbps
EBS max bandwidth–20,000 Mbps
EBS baseline throughput–2,500 MB/s
EBS max throughput–2,500 MB/s
EBS baseline IOPS–86,667
EBS max IOPS–86,667
Instance details2 of 4 differdb.r5.8xlarge.tpc2.mem3xdb.r5b.8xlarge
Familyr5r5b
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor192128
Other1 of 1 differdb.r5.8xlarge.tpc2.mem3xdb.r5b.8xlarge
Hardware Basis–r5b.8xlarge

On-demand prices by region

Cheapest for db.r5.8xlarge.tpc2.mem3x first. Oracle Enterprise BYOL, USD per hour.

Regiondb.r5.8xlarge.tpc2.mem3xdb.r5b.8xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$11.184$4.736▼ 58%
US East (Ohio)us-east-2$11.184$4.736▼ 58%
US West (Oregon)us-west-2$11.184$4.736▼ 58%
EU (Stockholm)eu-north-1$11.755$4.675▼ 60%
Canada (Central)ca-central-1$12.288$4.825▼ 61%
EU (Ireland)eu-west-1$12.374$4.943▼ 60%
EU (Milan)eu-south-1$12.993$5.18▼ 60%
EU (London)eu-west-2$13.056$5.18▼ 60%
Asia Pacific (Sydney)ap-southeast-2$13.267$5.358▼ 60%
Asia Pacific (Seoul)ap-northeast-2$13.296$5.269▼ 60%
Asia Pacific (Singapore)ap-southeast-1$13.296$5.616▼ 58%
Asia Pacific (Tokyo)ap-northeast-1$13.296$5.712▼ 57%
EU (Frankfurt)eu-central-1$13.534$5.715▼ 58%
South America (Sao Paulo)sa-east-1$23.328$7.015▼ 70%

Keep exploring

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

db.r5.8xlarge.tpc2.mem3xMemory optimized, r5 family
db.r5.8xlarge.tpc2.mem3x prices and specsEvery size in the r5 family

Compare db.r5.8xlarge.tpc2.mem3x with

db.m5.8xlargedb.r5d.8xlargedb.r5b.8xlarge.tpc2.mem3xdb.r4.8xlargedb.r6i.8xlargedb.r6i.8xlarge.tpc2.mem3xdb.r6i.8xlarge.tpc2.mem4x
db.r5b.8xlargeMemory optimized, r5b family
db.r5b.8xlarge prices and specsEvery size in the r5b family

Compare db.r5b.8xlarge with

db.r5.8xlarge

Pay the committed rate, with commitment protection

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