c6a.8xlargevsc7a.8xlarge

c6a.8xlarge is 25% cheaper than c7a.8xlarge on demand in US East (N. Virginia), saving $305.29 a month.

At a glancec6a.8xlargec7a.8xlarge
On-demand$1.224/hr25% less$1.642/hr
Lowest rate$0.4748/hr2% lessSpot, can be interrupted$0.4867/hrSpot, can be interrupted
Size32 vCPUs, 64 GiB32 vCPUs, 64 GiB
ProcessorAMD EPYC 7R13 ProcessorAMD EPYC 9R14 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.

Optionc6a.8xlargec7a.8xlargec7a.8xlarge vs c6a.8xlarge
On-demandPay by the hour$1.224$1.642▲ 34%
SpotCan be interrupted61% off$0.474870% off$0.4867▲ 3%
1-yr reservedNo upfront34% off$0.809734% off$1.086▲ 34%
3-yr reservedNo upfront56% off$0.538956% off$0.723▲ 34%
1-yr savings planHourly commitment28% off$0.884528% off$1.187▲ 34%
3-yr savings planHourly commitment52% off$0.59152% off$0.7929▲ 34%

Key differences

The biggest lead each one has.

Where c6a.8xlarge leads
On-demand price$1.224 vs $1.642 per hour
25% cheaper
Where c7a.8xlarge leads
Physical cores32 vs 16
2× higher
Max EBS volumes32 vs 27
19% higher

Specs

9 of 40 specs differ. Those are in bold.

Compute6 of 10 differc6a.8xlargec7a.8xlarge
vCPUs3232
Physical cores1632
Threads per core21
Architecturex86_64x86_64
ProcessorAMD EPYC 7R13 ProcessorAMD EPYC 9R14 Processor
CPU makerAMDAMD
Clock speed3.6 GHzUp to 3.7 GHz
Sustained clock3.6 GHz3.7 GHz
Processor featuresAMD Turbo; AVX; AVX2AMD Turbo; AVX; AVX2; AVX512
BurstableNoNo
MemoryAll 1 matchc6a.8xlargec7a.8xlarge
Memory (GiB)6464
NetworkingAll 8 matchc6a.8xlargec7a.8xlarge
Network12500 Megabit12500 Megabit
Network baseline12.5 Gbps12.5 Gbps
Network peak12.5 Gbps12.5 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFANoNo
IPv6YesYes
Max network interfaces88
IPv4 addresses per interface3030
Storage2 of 11 differc6a.8xlargec7a.8xlarge
StorageEBS onlyEBS only
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughput6667 Mbps10000 Mbps
EBS baseline bandwidth10,000 Mbps10,000 Mbps
EBS max bandwidth10,000 Mbps10,000 Mbps
EBS baseline throughput1,250 MB/s1,250 MB/s
EBS max throughput1,250 MB/s1,250 MB/s
EBS baseline IOPS40,00040,000
EBS max IOPS40,00040,000
Max EBS volumes2732
Instance details1 of 10 differc6a.8xlargec7a.8xlarge
Familyc6ac7a
CategoryCompute optimizedCompute optimized
Current generationYesYes
Normalization factor6464
Bare metalNoNo
HypervisorNitroNitro
Placement groupsCluster, Partition, SpreadCluster, Partition, Spread
HibernationYesYes
Nitro EnclavesYesYes
Boot modesLegacy BIOS, UEFILegacy BIOS, UEFI

On-demand prices by region

Cheapest for c6a.8xlarge first. Linux, USD per hour.

Regionc6a.8xlargec7a.8xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$1.224$1.642▲ 34%
US East (Ohio)us-east-2$1.224$1.642▲ 34%
US West (Oregon)us-west-2$1.224$1.642▲ 34%
EU (Ireland)eu-west-1$1.313$1.762▲ 34%
EU (Frankfurt)eu-central-1$1.397$1.874▲ 34%
Asia Pacific (Singapore)ap-southeast-1$1.411$1.893▲ 34%
EU (London)eu-west-2$1.454$1.951▲ 34%
US West (N. California)us-west-1$1.526$2.048▲ 34%
Asia Pacific (Tokyo)ap-northeast-1$1.541$2.067▲ 34%

Keep exploring

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

c6a.8xlargeCompute optimized, c6a family
c6a.8xlarge prices and specsEvery size in the c6a family

Compare c6a.8xlarge with

c6g.8xlargec6i.8xlargem6a.8xlarger6a.8xlargec5a.8xlarge
c7a.8xlargeCompute optimized, c7a family
c7a.8xlarge prices and specsEvery size in the c7a family

Compare c7a.8xlarge with

c7g.8xlargec7i.8xlargem7a.8xlarger7a.8xlargec8a.8xlarge

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.