c5a.largevsr5a.large

c5a.large is 32% cheaper than r5a.large on demand in US East (N. Virginia), saving $26.28 a month.

At a glancec5a.larger5a.large
On-demand$0.077/hr32% less$0.113/hr
Lowest rate$0.0271/hr20% lessSpot, can be interrupted$0.0337/hrSpot, can be interrupted
Size2 vCPUs, 4 GiB2 vCPUs, 16 GiB
ProcessorAMD EPYC 7R32AMD EPYC 7571
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.

Optionc5a.larger5a.larger5a.large vs c5a.large
On-demandPay by the hour$0.077$0.113▲ 47%
SpotCan be interrupted65% off$0.027170% off$0.0337▲ 24%
1-yr reservedNo upfront36% off$0.04937% off$0.071▲ 45%
3-yr reservedNo upfront57% off$0.03357% off$0.049▲ 48%
1-yr savings planHourly commitment27% off$0.05627% off$0.082▲ 46%
3-yr savings planHourly commitment52% off$0.03748% off$0.059▲ 59%

Key differences

The biggest lead each one has.

Where c5a.large leads
On-demand price$0.077 vs $0.113 per hour
32% cheaper
Clock speed3.3 GHz vs 2.5 GHz
32% higher
EBS max bandwidth3,170 Mbps vs 2,880 Mbps
10% higher
Where r5a.large leads
EBS baseline IOPS3,600 vs 800
4.5× higher
Memory (GiB)16 vs 4
4× higher

Specs

15 of 40 specs differ. Those are in bold.

Compute4 of 10 differc5a.larger5a.large
vCPUs22
Physical cores11
Threads per core22
Architecturex86_64x86_64
ProcessorAMD EPYC 7R32AMD EPYC 7571
CPU makerAMDAMD
Clock speed3.3 GHz2.5 GHz
Sustained clock3.3 GHz2.5 GHz
Processor featuresAMD Turbo; AVX; AVX2AVX; AVX2; AMD Turbo
BurstableNoNo
Memory1 of 1 differc5a.larger5a.large
Memory (GiB)416
NetworkingAll 8 matchc5a.larger5a.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 differc5a.larger5a.large
StorageEBS onlyEBS only
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughputUp to 3170 MbpsUp to 2120 Mbps
EBS baseline bandwidth200 Mbps650 Mbps
EBS max bandwidth3,170 Mbps2,880 Mbps
EBS baseline throughput25 MB/s81.25 MB/s
EBS max throughput396.25 MB/s360 MB/s
EBS baseline IOPS8003,600
EBS max IOPS13,30016,000
Max EBS volumes2727
Instance details3 of 10 differc5a.larger5a.large
Familyc5ar5a
CategoryCompute optimizedMemory optimized
Current generationYesYes
Normalization factor44
Bare metalNoNo
HypervisorNitroNitro
Placement groupsCluster, Partition, SpreadCluster, Partition, Spread
HibernationNoYes
Nitro EnclavesNoNo
Boot modesLegacy BIOS, UEFILegacy BIOS, UEFI

On-demand prices by region

Cheapest for c5a.large first. Linux, USD per hour.

Regionc5a.larger5a.largeDifference
Asia Pacific (Mumbai)ap-south-1$0.047$0.072▲ 53%
US East (N. Virginia)Used in summaryus-east-1$0.077$0.113▲ 47%
US East (Ohio)us-east-2$0.077$0.113▲ 47%
US West (Oregon)us-west-2$0.077$0.113▲ 47%
Canada (Central)ca-central-1$0.084$0.124▲ 48%
Asia Pacific (Seoul)ap-northeast-2$0.086$0.136▲ 58%
EU (Ireland)eu-west-1$0.086$0.127▲ 48%
EU (Frankfurt)eu-central-1$0.087$0.137▲ 57%
Asia Pacific (Singapore)ap-southeast-1$0.088$0.136▲ 55%
EU (London)eu-west-2$0.091$0.133▲ 46%
EU (Milan)eu-south-1$0.091$0.133▲ 46%
EU (Paris)eu-west-3$0.091$0.133▲ 46%
AWS GovCloud (US-East)us-gov-east-1$0.092$0.136▲ 48%
AWS GovCloud (US-West)us-gov-west-1$0.092$0.136▲ 48%
US West (N. California)us-west-1$0.095$0.126▲ 33%
Asia Pacific (Tokyo)ap-northeast-1$0.096$0.137▲ 43%
Asia Pacific (Sydney)ap-southeast-2$0.1$0.136▲ 36%
South America (Sao Paulo)sa-east-1$0.118$0.181▲ 53%

Keep exploring

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

c5a.largeCompute optimized, c5a family
c5a.large prices and specsEvery size in the c5a family

Compare c5a.large with

c5.largec5ad.largem5a.largec6a.large
r5a.largeMemory optimized, r5a family
r5a.large prices and specsEvery size in the r5a family

Compare r5a.large with

r5.largem5a.larger5ad.larger6a.large

Pay the committed rate, with commitment protection

The best committed rate on these two is 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.