r5a.largevsr6a.large

r5a.large is 0% cheaper than r6a.large on demand in US East (N. Virginia), saving $0.29 a month.

At a glancer5a.larger6a.large
On-demand$0.113/hr0% less$0.1134/hr
Lowest rate$0.0337/hr12% lessSpot, can be interrupted$0.0381/hrSpot, can be interrupted
Size2 vCPUs, 16 GiB2 vCPUs, 16 GiB
ProcessorAMD EPYC 7571AMD EPYC 7R13 Processor
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.

Optionr5a.larger6a.larger6a.large vs r5a.large
On-demandPay by the hour$0.113$0.1134Same
SpotCan be interrupted70% off$0.033766% off$0.0381▲ 13%
1-yr reservedNo upfront37% off$0.07134% off$0.075▲ 6%
3-yr reservedNo upfront57% off$0.04955% off$0.0514▲ 5%
1-yr savings planHourly commitment27% off$0.08228% off$0.0822Same
3-yr savings planHourly commitment48% off$0.05948% off$0.0592Same

Key differences

The biggest lead each one has.

Where r5a.large leads
On-demand price$0.113 vs $0.1134 per hour
0% cheaper
Where r6a.large leads
EBS max bandwidth10,000 Mbps vs 2,880 Mbps
3.5× higher
Clock speed3.6 GHz vs 2.5 GHz
44% higher
Network peak12.5 Gbps vs 10 Gbps
25% higher

Specs

12 of 40 specs differ. Those are in bold.

Compute4 of 10 differr5a.larger6a.large
vCPUs22
Physical cores11
Threads per core22
Architecturex86_64x86_64
ProcessorAMD EPYC 7571AMD EPYC 7R13 Processor
CPU makerAMDAMD
Clock speed2.5 GHz3.6 GHz
Sustained clock2.5 GHz3.6 GHz
Processor featuresAVX; AVX2; AMD TurboAMD Turbo; AVX; AVX2
BurstableNoNo
MemoryAll 1 matchr5a.larger6a.large
Memory (GiB)1616
Networking3 of 8 differr5a.larger6a.large
NetworkUp to 10 GigabitUp to 12500 Megabit
Network baseline0.75 Gbps0.781 Gbps
Network peak10 Gbps12.5 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFANoNo
IPv6YesYes
Max network interfaces33
IPv4 addresses per interface1010
Storage4 of 11 differr5a.larger6a.large
StorageEBS onlyEBS only
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughputUp to 2120 MbpsUp to 6667 Mbps
EBS baseline bandwidth650 Mbps650 Mbps
EBS max bandwidth2,880 Mbps10,000 Mbps
EBS baseline throughput81.25 MB/s81.25 MB/s
EBS max throughput360 MB/s1,250 MB/s
EBS baseline IOPS3,6003,600
EBS max IOPS16,00040,000
Max EBS volumes2727
Instance details1 of 10 differr5a.larger6a.large
Familyr5ar6a
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor44
Bare metalNoNo
HypervisorNitroNitro
Placement groupsCluster, Partition, SpreadCluster, Partition, Spread
HibernationYesYes
Nitro EnclavesNoNo
Boot modesLegacy BIOS, UEFILegacy BIOS, UEFI

On-demand prices by region

Cheapest for r5a.large first. Linux, USD per hour.

Regionr5a.larger6a.largeDifference
Asia Pacific (Mumbai)ap-south-1$0.072$0.0715▼ 1%
US East (N. Virginia)Used in summaryus-east-1$0.113$0.1134Same
US East (Ohio)us-east-2$0.113$0.1134Same
US West (Oregon)us-west-2$0.113$0.1134Same
Canada (Central)ca-central-1$0.124$0.1242Same
US West (N. California)us-west-1$0.126$0.126Same
EU (Ireland)eu-west-1$0.127$0.1269Same
EU (London)eu-west-2$0.133$0.1332Same
Asia Pacific (Singapore)ap-southeast-1$0.136$0.1368▲ 1%
Asia Pacific (Sydney)ap-southeast-2$0.136$0.1359Same
Asia Pacific (Tokyo)ap-northeast-1$0.137$0.1368Same
EU (Frankfurt)eu-central-1$0.137$0.1368Same

Keep exploring

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

r5a.largeMemory optimized, r5a family
r5a.large prices and specsEvery size in the r5a family

Compare r5a.large with

c5a.larger5.largem5a.larger5ad.large
r6a.largeMemory optimized, r6a family
r6a.large prices and specsEvery size in the r6a family

Compare r6a.large with

r6g.larger6i.largec6a.largem6a.larger7a.large

Pay the committed rate, with commitment protection

The best committed rate on these two is 55–57% 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.