db.r5.xlarge.tpc2.mem4xvsdb.r5b.xlarge

db.r5b.xlarge is 68% cheaper than db.r5.xlarge.tpc2.mem4x on demand in US East (N. Virginia), saving $928.56 a month.

At a glancedb.r5.xlarge.tpc2.mem4xdb.r5b.xlarge
On-demand$1.864/hr$0.592/hr68% less
Lowest rate$1.078/hr1-yr reserved, no upfront$0.3429/hr68% less1-yr reserved, no upfront
Size4 vCPUs, 128 GiB4 vCPUs, 32 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.xlarge.tpc2.mem4xdb.r5b.xlargedb.r5b.xlarge vs db.r5.xlarge.tpc2.mem4x
On-demandPay by the hour$1.864$0.592▼ 68%
1-yr reservedNo upfront42% off$1.07842% off$0.3429▼ 68%

Key differences

The biggest lead each one has.

Where db.r5.xlarge.tpc2.mem4x leads
Memory (GiB)128 vs 32
4× higher
Where db.r5b.xlarge leads
On-demand price$0.592 vs $1.864 per hour
68% cheaper

Specs

19 of 26 specs differ. Those are in bold.

Compute6 of 9 differdb.r5.xlarge.tpc2.mem4xdb.r5b.xlarge
vCPUs44
Physical cores–2
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.xlarge.tpc2.mem4xdb.r5b.xlarge
Memory (GiB)12832
Networking2 of 3 differdb.r5.xlarge.tpc2.mem4xdb.r5b.xlarge
NetworkUp to 10 GigabitUp to 10 Gigabit
Network baseline–1.25 Gbps
Network peak–10 Gbps
Storage7 of 8 differdb.r5.xlarge.tpc2.mem4xdb.r5b.xlarge
StorageEBS OnlyEBS Only
EBS throughput–312 Mbps
EBS baseline bandwidth–2,500 Mbps
EBS max bandwidth–10,000 Mbps
EBS baseline throughput–312.5 MB/s
EBS max throughput–1,250 MB/s
EBS baseline IOPS–10,833
EBS max IOPS–43,333
Instance details2 of 4 differdb.r5.xlarge.tpc2.mem4xdb.r5b.xlarge
Familyr5r5b
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor64–
Other1 of 1 differdb.r5.xlarge.tpc2.mem4xdb.r5b.xlarge
Hardware Basis–r5b.xlarge

On-demand prices by region

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

Regiondb.r5.xlarge.tpc2.mem4xdb.r5b.xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$1.864$0.592▼ 68%
US East (Ohio)us-east-2$1.864$0.592▼ 68%
US West (Oregon)us-west-2$1.864$0.592▼ 68%
EU (Stockholm)eu-north-1$1.959$0.584▼ 70%
Canada (Central)ca-central-1$2.048$0.603▼ 71%
EU (Ireland)eu-west-1$2.062$0.618▼ 70%
EU (Milan)eu-south-1$2.165$0.648▼ 70%
EU (London)eu-west-2$2.176$0.648▼ 70%
Asia Pacific (Sydney)ap-southeast-2$2.211$0.67▼ 70%
Asia Pacific (Seoul)ap-northeast-2$2.216$0.659▼ 70%
Asia Pacific (Singapore)ap-southeast-1$2.216$0.702▼ 68%
Asia Pacific (Tokyo)ap-northeast-1$2.216$0.714▼ 68%
EU (Frankfurt)eu-central-1$2.256$0.714▼ 68%
South America (Sao Paulo)sa-east-1$3.888$0.877▼ 77%

Keep exploring

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

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

Compare db.r5.xlarge.tpc2.mem4x with

db.m5.xlargedb.r5d.xlargedb.r5b.xlarge.tpc2.mem2xdb.r5b.xlarge.tpc2.mem4xdb.r4.xlargedb.r6i.xlargedb.r6i.xlarge.tpc2.mem2xdb.r6i.xlarge.tpc2.mem4x
db.r5b.xlargeMemory optimized, r5b family
db.r5b.xlarge prices and specsEvery size in the r5b family

Compare db.r5b.xlarge with

db.r5.xlargedb.r5.xlarge.tpc2.mem2x

Pay the committed rate, with commitment protection

The best committed rate on these two is 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.