db.r5.4xlarge.tpc2.mem3xvsdb.r5b.4xlarge.tpc2.mem2x

db.r5b.4xlarge.tpc2.mem2x is 21% cheaper than db.r5.4xlarge.tpc2.mem3x on demand in US East (N. Virginia), saving $862.86 a month.

At a glancedb.r5.4xlarge.tpc2.mem3xdb.r5b.4xlarge.tpc2.mem2x
On-demand$5.592/hr$4.41/hr21% less
Size16 vCPUs, 384 GiB16 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.r5.4xlarge.tpc2.mem3xdb.r5b.4xlarge.tpc2.mem2xdb.r5b.4xlarge.tpc2.mem2x vs db.r5.4xlarge.tpc2.mem3x
On-demandPay by the hour$5.592$4.41▼ 21%
1-yr reservedNo upfront42% off$3.235——

Key differences

The biggest lead each one has.

Where db.r5.4xlarge.tpc2.mem3x leads
Memory (GiB)384 vs 256
50% higher
Where db.r5b.4xlarge.tpc2.mem2x leads
On-demand price$4.41 vs $5.592 per hour
21% cheaper

Specs

4 of 11 specs differ. Those are in bold.

Compute1 of 4 differdb.r5.4xlarge.tpc2.mem3xdb.r5b.4xlarge.tpc2.mem2x
vCPUs1616
Architecturex86_64x86_64
ProcessorIntel Xeon Platinum 8175Intel Xeon Platinum 8000 series
Clock speedUp to 3.1 GHzUp to 3.1 GHz
Memory1 of 1 differdb.r5.4xlarge.tpc2.mem3xdb.r5b.4xlarge.tpc2.mem2x
Memory (GiB)384256
NetworkingAll 1 matchdb.r5.4xlarge.tpc2.mem3xdb.r5b.4xlarge.tpc2.mem2x
Network10 Gigabit10 Gigabit
StorageAll 1 matchdb.r5.4xlarge.tpc2.mem3xdb.r5b.4xlarge.tpc2.mem2x
StorageEBS OnlyEBS Only
Instance details2 of 4 differdb.r5.4xlarge.tpc2.mem3xdb.r5b.4xlarge.tpc2.mem2x
Familyr5r5b
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor96128

On-demand prices by region

Cheapest for db.r5.4xlarge.tpc2.mem3x first. Oracle Enterprise BYOL, USD per hour.

Regiondb.r5.4xlarge.tpc2.mem3xdb.r5b.4xlarge.tpc2.mem2xDifference
US East (N. Virginia)Used in summaryus-east-1$5.592$4.41▼ 21%
US East (Ohio)us-east-2$5.592$4.41▼ 21%
US West (Oregon)us-west-2$5.592$4.41▼ 21%
EU (Stockholm)eu-north-1$5.878$4.675▼ 20%
Canada (Central)ca-central-1$6.144$4.825▼ 21%
EU (Ireland)eu-west-1$6.187$4.943▼ 20%
EU (Milan)eu-south-1$6.496$5.18▼ 20%
EU (London)eu-west-2$6.528$5.18▼ 21%
Asia Pacific (Sydney)ap-southeast-2$6.634$5.358▼ 19%
Asia Pacific (Seoul)ap-northeast-2$6.648$5.269▼ 21%
Asia Pacific (Singapore)ap-southeast-1$6.648$5.269▼ 21%
Asia Pacific (Tokyo)ap-northeast-1$6.648$5.358▼ 19%
EU (Frankfurt)eu-central-1$6.767$5.269▼ 22%
South America (Sao Paulo)sa-east-1$11.664$7.015▼ 40%

Keep exploring

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

db.r5.4xlarge.tpc2.mem3xMemory optimized, r5 family
db.r5.4xlarge.tpc2.mem3x prices and specsEvery size in the r5 family

Compare db.r5.4xlarge.tpc2.mem3x with

db.m5.4xlargedb.r5d.4xlargedb.r5b.4xlargedb.r5b.4xlarge.tpc2.mem3xdb.r5b.4xlarge.tpc2.mem4xdb.r4.4xlargedb.r6i.4xlargedb.r6i.4xlarge.tpc2.mem2xdb.r6i.4xlarge.tpc2.mem3xdb.r6i.4xlarge.tpc2.mem4xdb.r6i.4xlarge.tpc2.mem8x
db.r5b.4xlarge.tpc2.mem2xMemory optimized, r5b family
db.r5b.4xlarge.tpc2.mem2x prices and specsEvery size in the r5b family

Compare db.r5b.4xlarge.tpc2.mem2x with

db.r5.4xlargedb.r5.4xlarge.tpc2.mem2xdb.r5.4xlarge.tpc2.mem4x

Pay the committed rate, with commitment protection

The best committed rate on these two is 0–42% below on-demand. Connect your cloud accounts to unlock greater savings 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.