db.r5.4xlarge.tpc2.mem4xvsdb.r5b.4xlarge.tpc2.mem3x

db.r5b.4xlarge.tpc2.mem3x is 11% cheaper than db.r5.4xlarge.tpc2.mem4x on demand in US East (N. Virginia), saving $613.93 a month.

At a glancedb.r5.4xlarge.tpc2.mem4xdb.r5b.4xlarge.tpc2.mem3x
On-demand$7.456/hr$6.615/hr11% less
Size16 vCPUs, 512 GiB16 vCPUs, 384 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.mem4xdb.r5b.4xlarge.tpc2.mem3xdb.r5b.4xlarge.tpc2.mem3x vs db.r5.4xlarge.tpc2.mem4x
On-demandPay by the hour$7.456$6.615▼ 11%
1-yr reservedNo upfront42% off$4.313——

Key differences

The biggest lead each one has.

Where db.r5.4xlarge.tpc2.mem4x leads
Memory (GiB)512 vs 384
33% higher
Where db.r5b.4xlarge.tpc2.mem3x leads
On-demand price$6.615 vs $7.456 per hour
11% cheaper

Specs

5 of 11 specs differ. Those are in bold.

Compute1 of 4 differdb.r5.4xlarge.tpc2.mem4xdb.r5b.4xlarge.tpc2.mem3x
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.mem4xdb.r5b.4xlarge.tpc2.mem3x
Memory (GiB)512384
Networking1 of 1 differdb.r5.4xlarge.tpc2.mem4xdb.r5b.4xlarge.tpc2.mem3x
Network20 Gigabit10 Gigabit
StorageAll 1 matchdb.r5.4xlarge.tpc2.mem4xdb.r5b.4xlarge.tpc2.mem3x
StorageEBS OnlyEBS Only
Instance details2 of 4 differdb.r5.4xlarge.tpc2.mem4xdb.r5b.4xlarge.tpc2.mem3x
Familyr5r5b
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor128192

On-demand prices by region

Cheapest for db.r5.4xlarge.tpc2.mem4x first. Oracle Enterprise BYOL, USD per hour.

Regiondb.r5.4xlarge.tpc2.mem4xdb.r5b.4xlarge.tpc2.mem3xDifference
US East (N. Virginia)Used in summaryus-east-1$7.456$6.615▼ 11%
US East (Ohio)us-east-2$7.456$6.615▼ 11%
US West (Oregon)us-west-2$7.456$6.615▼ 11%
EU (Stockholm)eu-north-1$7.836$7.013▼ 11%
Canada (Central)ca-central-1$8.192$7.237▼ 12%
EU (Ireland)eu-west-1$8.256$7.415▼ 10%
EU (Milan)eu-south-1$8.669$7.77▼ 10%
EU (London)eu-west-2$8.704$7.77▼ 11%
Asia Pacific (Sydney)ap-southeast-2$8.848$8.036▼ 9%
Asia Pacific (Seoul)ap-northeast-2$8.864$7.903▼ 11%
Asia Pacific (Singapore)ap-southeast-1$8.864$7.904▼ 11%
Asia Pacific (Tokyo)ap-northeast-1$8.864$8.037▼ 9%
EU (Frankfurt)eu-central-1$9.024$7.904▼ 12%
South America (Sao Paulo)sa-east-1$15.552$10.523▼ 32%

Keep exploring

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

db.r5.4xlarge.tpc2.mem4xMemory optimized, r5 family
db.r5.4xlarge.tpc2.mem4x prices and specsEvery size in the r5 family

Compare db.r5.4xlarge.tpc2.mem4x with

db.m5.4xlargedb.r5d.4xlargedb.r5b.4xlargedb.r5b.4xlarge.tpc2.mem2xdb.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.mem3xMemory optimized, r5b family
db.r5b.4xlarge.tpc2.mem3x prices and specsEvery size in the r5b family

Compare db.r5b.4xlarge.tpc2.mem3x with

db.r5.4xlargedb.r5.4xlarge.tpc2.mem2xdb.r5.4xlarge.tpc2.mem3x

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.