c5a.largevsc5ad.large

c5a.large is 10% cheaper than c5ad.large on demand in US East (N. Virginia), saving $6.57 a month.

At a glancec5a.largec5ad.large
On-demand$0.077/hr10% less$0.086/hr
Lowest rate$0.0271/hr13% lessSpot, can be interrupted$0.031/hrSpot, can be interrupted
Size2 vCPUs, 4 GiB2 vCPUs, 4 GiB
ProcessorAMD EPYC 7R32AMD EPYC 7R32
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.largec5ad.largec5ad.large vs c5a.large
On-demandPay by the hour$0.077$0.086▲ 12%
SpotCan be interrupted65% off$0.027164% off$0.031▲ 14%
1-yr reservedNo upfront36% off$0.04937% off$0.054▲ 10%
3-yr reservedNo upfront57% off$0.03357% off$0.037▲ 12%
1-yr savings planHourly commitment27% off$0.05628% off$0.062▲ 11%
3-yr savings planHourly commitment52% off$0.03751% off$0.042▲ 14%

Key differences

The biggest lead each one has.

Where c5a.large leads
On-demand price$0.077 vs $0.086 per hour
10% cheaper
Max EBS volumes27 vs 26
4% higher
Where c5ad.large leads

No clear lead on the measures we compare.

Specs

4 of 41 specs differ. Those are in bold.

ComputeAll 10 matchc5a.largec5ad.large
vCPUs22
Physical cores11
Threads per core22
Architecturex86_64x86_64
ProcessorAMD EPYC 7R32AMD EPYC 7R32
CPU makerAMDAMD
Clock speed3.3 GHz3.3 GHz
Sustained clock3.3 GHz3.3 GHz
Processor featuresAMD Turbo; AVX; AVX2AMD Turbo; AVX; AVX2
BurstableNoNo
MemoryAll 1 matchc5a.largec5ad.large
Memory (GiB)44
NetworkingAll 8 matchc5a.largec5ad.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
Storage3 of 12 differc5a.largec5ad.large
StorageEBS only1 x 75 NVMe SSD
Local disks–1 × 75 GB SSD
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughputUp to 3170 MbpsUp to 3170 Mbps
EBS baseline bandwidth200 Mbps200 Mbps
EBS max bandwidth3,170 Mbps3,170 Mbps
EBS baseline throughput25 MB/s25 MB/s
EBS max throughput396.25 MB/s396.25 MB/s
EBS baseline IOPS800800
EBS max IOPS13,30013,300
Max EBS volumes2726
Instance details1 of 10 differc5a.largec5ad.large
Familyc5ac5ad
CategoryCompute optimizedCompute optimized
Current generationYesYes
Normalization factor44
Bare metalNoNo
HypervisorNitroNitro
Placement groupsCluster, Partition, SpreadCluster, Partition, Spread
HibernationNoNo
Nitro EnclavesNoNo
Boot modesLegacy BIOS, UEFILegacy BIOS, UEFI

On-demand prices by region

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

Regionc5a.largec5ad.largeDifference
US East (N. Virginia)Used in summaryus-east-1$0.077$0.086▲ 12%
US East (Ohio)us-east-2$0.077$0.086▲ 12%
US West (Oregon)us-west-2$0.077$0.086▲ 12%
EU (Ireland)eu-west-1$0.086$0.098▲ 14%
EU (Frankfurt)eu-central-1$0.087$0.1▲ 15%
Asia Pacific (Singapore)ap-southeast-1$0.088$0.101▲ 15%
EU (Milan)eu-south-1$0.091$0.103▲ 13%
Middle East (Bahrain)me-south-1$0.095$0.108▲ 14%
Asia Pacific (Sydney)ap-southeast-2$0.1$0.113▲ 13%
Africa (Cape Town)af-south-1$0.103$0.117▲ 14%
South America (Sao Paulo)sa-east-1$0.118$0.134▲ 14%

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.largem5a.larger5a.largec6a.large
c5ad.largeCompute optimized, c5ad family
c5ad.large prices and specsEvery size in the c5ad family

Compare c5ad.large with

c5d.largem5ad.larger5ad.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.

Connect AWS account

AWS EC2 Linux prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.