r5.largevsr5b.large

r5.large is 15% cheaper than r5b.large on demand in US East (N. Virginia), saving $16.79 a month.

At a glancer5.larger5b.large
On-demand$0.126/hr15% less$0.149/hr
Lowest rate$0.0364/hr8% lessSpot, can be interrupted$0.0394/hrSpot, can be interrupted
Size2 vCPUs, 16 GiB2 vCPUs, 16 GiB
ProcessorIntel Xeon Platinum 8175Intel Xeon Platinum 8259 (Cascade Lake)
Architecturex86_64x86_64

Prices in US East (N. Virginia)

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

Optionr5.larger5b.larger5b.large vs r5.large
On-demandPay by the hour$0.126$0.149▲ 18%
SpotCan be interrupted71% off$0.036474% off$0.0394▲ 8%
1-yr reservedNo upfront37% off$0.07937% off$0.0939▲ 19%
3-yr reservedNo upfront57% off$0.05460% off$0.0603▲ 12%
1-yr savings planHourly commitment28% off$0.09128% off$0.108▲ 19%
3-yr savings planHourly commitment48% off$0.06653% off$0.0695▲ 5%

Key differences

The biggest lead each one has.

Where r5.large leads
On-demand price$0.126 vs $0.149 per hour
15% cheaper
Where r5b.large leads
EBS max IOPS43,333 vs 18,750
2.3× higher

Specs

11 of 41 specs differ. Those are in bold.

Compute2 of 11 differr5.larger5b.large
vCPUs22
Physical cores11
Threads per core22
Architecturex86_64x86_64
ProcessorIntel Xeon Platinum 8175Intel Xeon Platinum 8259 (Cascade Lake)
CPU makerIntelIntel
Clock speed3.1 GHz3.1 GHz
Sustained clock3.1 GHz3.1 GHz
Processor featuresIntel AVX; Intel AVX2; Intel AVX512; Intel TurboIntel AVX; Intel AVX2; Intel AVX512; Intel Turbo
BurstableNoNo
ECU10–
MemoryAll 1 matchr5.larger5b.large
Memory (GiB)1616
NetworkingAll 8 matchr5.larger5b.large
NetworkUp to 10 GigabitUp to 10 Gigabit
Network baseline0.75 Gbps0.75 Gbps
Network peak10 Gbps10 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFANoNo
IPv6YesYes
Max network interfaces33
IPv4 addresses per interface1010
Storage7 of 11 differr5.larger5b.large
StorageEBS onlyEBS only
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughputUp to 4750 MbpsUp to 10 Gbps
EBS baseline bandwidth650 Mbps1,250 Mbps
EBS max bandwidth4,750 Mbps10,000 Mbps
EBS baseline throughput81.25 MB/s156.25 MB/s
EBS max throughput593.75 MB/s1,250 MB/s
EBS baseline IOPS3,6005,417
EBS max IOPS18,75043,333
Max EBS volumes2727
Instance details2 of 10 differr5.larger5b.large
Familyr5r5b
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor44
Bare metalNoNo
HypervisorNitroNitro
Placement groupsCluster, Partition, SpreadCluster, Partition, Spread
HibernationYesNo
Nitro EnclavesNoNo
Boot modesLegacy BIOS, UEFILegacy BIOS, UEFI

On-demand prices by region

Cheapest for r5.large first. Linux, USD per hour.

Regionr5.larger5b.largeDifference
US East (N. Virginia)Used in summaryus-east-1$0.126$0.149▲ 18%
US East (Ohio)us-east-2$0.126$0.149▲ 18%
US West (Oregon)us-west-2$0.126$0.149▲ 18%
EU (Stockholm)eu-north-1$0.134$0.1579▲ 18%
Canada (Central)ca-central-1$0.138$0.163▲ 18%
EU (Ireland)eu-west-1$0.141$0.167▲ 18%
EU (London)eu-west-2$0.148$0.175▲ 18%
EU (Milan)eu-south-1$0.148$0.175▲ 18%
Asia Pacific (Sydney)ap-southeast-2$0.151$0.181▲ 20%
Asia Pacific (Seoul)ap-northeast-2$0.152$0.178▲ 17%
Asia Pacific (Singapore)ap-southeast-1$0.152$0.178▲ 17%
Asia Pacific (Tokyo)ap-northeast-1$0.152$0.181▲ 19%
EU (Frankfurt)eu-central-1$0.152$0.178▲ 17%
South America (Sao Paulo)sa-east-1$0.201$0.237▲ 18%

Keep exploring

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

r5.largeMemory optimized, r5 family
r5.large prices and specsEvery size in the r5 family

Compare r5.large with

c5.largem5.larger5d.larger5dn.larger5n.larger5a.larger4.larger6i.large
r5b.largeMemory optimized, r5b family
r5b.large prices and specsEvery size in the r5b family

Compare r5b.large with

r8ib.large

Pay the committed rate, with commitment protection

The best committed rate on these two is 57–60% below on-demand. Connect your cloud accounts to unlock greater savings with commitment protection.

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AWS EC2 Linux prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.