c5a.xlargevsc6a.xlarge

c6a.xlarge is 1% cheaper than c5a.xlarge on demand in US East (N. Virginia), saving $0.73 a month.

At a glancec5a.xlargec6a.xlarge
On-demand$0.154/hr$0.153/hr1% less
Lowest rate$0.0636/hr5% lessSpot, can be interrupted$0.0672/hrSpot, can be interrupted
Size4 vCPUs, 8 GiB4 vCPUs, 8 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.xlargec6a.xlargec6a.xlarge vs c5a.xlarge
On-demandPay by the hour$0.154$0.153▼ 1%
SpotCan be interrupted59% off$0.063656% off$0.0672▲ 6%
1-yr reservedNo upfront37% off$0.09734% off$0.1012▲ 4%
3-yr reservedNo upfront56% off$0.06756% off$0.0674▲ 1%
1-yr savings planHourly commitment27% off$0.11228% off$0.1106▼ 1%
3-yr savings planHourly commitment52% off$0.07452% off$0.0739Same

Key differences

The biggest lead each one has.

Where c5a.xlarge leads

No clear lead on the measures we compare.

Where c6a.xlarge leads
On-demand price$0.153 vs $0.154 per hour
1% cheaper
EBS baseline IOPS6,000 vs 1,600
3.8× 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.xlargec6a.xlarge
vCPUs44
Physical cores22
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.xlargec6a.xlarge
Memory (GiB)88
Networking3 of 8 differc5a.xlargec6a.xlarge
NetworkUp to 10 GigabitUp to 12500 Megabit
Network baseline1.25 Gbps1.562 Gbps
Network peak10 Gbps12.5 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFANoNo
IPv6YesYes
Max network interfaces44
IPv4 addresses per interface1515
Storage7 of 11 differc5a.xlargec6a.xlarge
StorageEBS onlyEBS only
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughputUp to 3170 MbpsUp to 6667 Mbps
EBS baseline bandwidth400 Mbps1,250 Mbps
EBS max bandwidth3,170 Mbps10,000 Mbps
EBS baseline throughput50 MB/s156.25 MB/s
EBS max throughput396.25 MB/s1,250 MB/s
EBS baseline IOPS1,6006,000
EBS max IOPS13,30040,000
Max EBS volumes2727
Instance details2 of 10 differc5a.xlargec6a.xlarge
Familyc5ac6a
CategoryCompute optimizedCompute optimized
Current generationYesYes
Normalization factor88
Bare metalNoNo
HypervisorNitroNitro
Placement groupsCluster, Partition, SpreadCluster, Partition, Spread
HibernationNoYes
Nitro EnclavesYesYes
Boot modesLegacy BIOS, UEFILegacy BIOS, UEFI

On-demand prices by region

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

Regionc5a.xlargec6a.xlargeDifference
Asia Pacific (Mumbai)ap-south-1$0.094$0.0935▼ 1%
US East (N. Virginia)Used in summaryus-east-1$0.154$0.153▼ 1%
US East (Ohio)us-east-2$0.154$0.153▼ 1%
US West (Oregon)us-west-2$0.154$0.153▼ 1%
Canada (Central)ca-central-1$0.168$0.1674Same
EU (Ireland)eu-west-1$0.172$0.1642▼ 5%
EU (Frankfurt)eu-central-1$0.174$0.1746Same
Asia Pacific (Singapore)ap-southeast-1$0.176$0.1764Same
EU (London)eu-west-2$0.182$0.1818Same
US West (N. California)us-west-1$0.19$0.1908Same
Asia Pacific (Tokyo)ap-northeast-1$0.192$0.1926Same
Asia Pacific (Hong Kong)ap-east-1$0.194$0.1944Same
Asia Pacific (Sydney)ap-southeast-2$0.2$0.1998Same
South America (Sao Paulo)sa-east-1$0.236$0.2358Same

Keep exploring

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

c5a.xlargeCompute optimized, c5a family
c5a.xlarge prices and specsEvery size in the c5a family

Compare c5a.xlarge with

c5.xlargec5ad.xlargem5a.xlarger5a.xlarge
c6a.xlargeCompute optimized, c6a family
c6a.xlarge prices and specsEvery size in the c6a family

Compare c6a.xlarge with

c6g.xlargec6i.xlargem6a.xlarger6a.xlargec7a.xlarge

Pay the committed rate, with commitment protection

The best committed rate on these two is 56% 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.