c5a.largevsc6a.large

c6a.large is 1% cheaper than c5a.large on demand in US East (N. Virginia), saving $0.37 a month.

At a glancec5a.largec6a.large
On-demand$0.077/hr$0.0765/hr1% less
Lowest rate$0.0271/hr6% lessSpot, can be interrupted$0.0288/hrSpot, can be interrupted
Size2 vCPUs, 4 GiB2 vCPUs, 4 GiB
ProcessorAMD EPYC 7R32AMD 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.

Optionc5a.largec6a.largec6a.large vs c5a.large
On-demandPay by the hour$0.077$0.0765▼ 1%
SpotCan be interrupted65% off$0.027162% off$0.0288▲ 6%
1-yr reservedNo upfront36% off$0.04934% off$0.0506▲ 3%
3-yr reservedNo upfront57% off$0.03356% off$0.0337▲ 2%
1-yr savings planHourly commitment27% off$0.05628% off$0.0553▼ 1%
3-yr savings planHourly commitment52% off$0.03752% off$0.0369Same

Key differences

The biggest lead each one has.

Where c5a.large leads

No clear lead on the measures we compare.

Where c6a.large leads
On-demand price$0.0765 vs $0.077 per hour
1% cheaper
EBS baseline IOPS3,600 vs 800
4.5× higher
Network peak12.5 Gbps vs 10 Gbps
25% higher
Clock speed3.6 GHz vs 3.3 GHz
9% higher

Specs

15 of 40 specs differ. Those are in bold.

Compute3 of 10 differc5a.largec6a.large
vCPUs22
Physical cores11
Threads per core22
Architecturex86_64x86_64
ProcessorAMD EPYC 7R32AMD EPYC 7R13 Processor
CPU makerAMDAMD
Clock speed3.3 GHz3.6 GHz
Sustained clock3.3 GHz3.6 GHz
Processor featuresAMD Turbo; AVX; AVX2AMD Turbo; AVX; AVX2
BurstableNoNo
MemoryAll 1 matchc5a.largec6a.large
Memory (GiB)44
Networking3 of 8 differc5a.largec6a.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
Storage7 of 11 differc5a.largec6a.large
StorageEBS onlyEBS only
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughputUp to 3170 MbpsUp to 6667 Mbps
EBS baseline bandwidth200 Mbps650 Mbps
EBS max bandwidth3,170 Mbps10,000 Mbps
EBS baseline throughput25 MB/s81.25 MB/s
EBS max throughput396.25 MB/s1,250 MB/s
EBS baseline IOPS8003,600
EBS max IOPS13,30040,000
Max EBS volumes2727
Instance details2 of 10 differc5a.largec6a.large
Familyc5ac6a
CategoryCompute optimizedCompute 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.largec6a.largeDifference
Asia Pacific (Mumbai)ap-south-1$0.047$0.0468Same
US East (N. Virginia)Used in summaryus-east-1$0.077$0.0765▼ 1%
US East (Ohio)us-east-2$0.077$0.0765▼ 1%
US West (Oregon)us-west-2$0.077$0.0765▼ 1%
Canada (Central)ca-central-1$0.084$0.0837Same
EU (Ireland)eu-west-1$0.086$0.0821▼ 5%
EU (Frankfurt)eu-central-1$0.087$0.0873Same
Asia Pacific (Singapore)ap-southeast-1$0.088$0.0882Same
EU (London)eu-west-2$0.091$0.0909Same
US West (N. California)us-west-1$0.095$0.0954Same
Asia Pacific (Tokyo)ap-northeast-1$0.096$0.0963Same
Asia Pacific (Hong Kong)ap-east-1$0.097$0.0972Same
Asia Pacific (Sydney)ap-southeast-2$0.1$0.0999Same
South America (Sao Paulo)sa-east-1$0.118$0.1179Same

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.larger5a.large
c6a.largeCompute optimized, c6a family
c6a.large prices and specsEvery size in the c6a family

Compare c6a.large with

c6g.largec6i.largem6a.larger6a.largec7a.large

Pay the committed rate, with commitment protection

The best committed rate on these two is 56–57% 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.