c5ad.4xlargevsr5ad.4xlarge

c5ad.4xlarge is 34% cheaper than r5ad.4xlarge on demand in US East (N. Virginia), saving $262.80 a month.

At a glancec5ad.4xlarger5ad.4xlarge
On-demand$0.688/hr34% less$1.048/hr
Lowest rate$0.2639/hr25% lessSpot, can be interrupted$0.3501/hrSpot, can be interrupted
Size16 vCPUs, 32 GiB16 vCPUs, 128 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.

Optionc5ad.4xlarger5ad.4xlarger5ad.4xlarge vs c5ad.4xlarge
On-demandPay by the hour$0.688$1.048▲ 52%
SpotCan be interrupted62% off$0.263967% off$0.3501▲ 33%
1-yr reservedNo upfront37% off$0.43337% off$0.66▲ 52%
3-yr reservedNo upfront57% off$0.29757% off$0.453▲ 53%
1-yr savings planHourly commitment28% off$0.49827% off$0.763▲ 53%
3-yr savings planHourly commitment52% off$0.33348% off$0.54▲ 62%

Key differences

The biggest lead each one has.

Where c5ad.4xlarge leads
On-demand price$0.688 vs $1.048 per hour
34% cheaper
Sustained clock3.3 GHz vs 2.2 GHz
50% higher
EBS max bandwidth3,170 Mbps vs 2,880 Mbps
10% higher
Where r5ad.4xlarge leads
Memory (GiB)128 vs 32
4× higher
EBS baseline IOPS16,000 vs 6,600
2.4× higher

Specs

15 of 41 specs differ. Those are in bold.

Compute4 of 10 differc5ad.4xlarger5ad.4xlarge
vCPUs1616
Physical cores88
Threads per core22
Architecturex86_64x86_64
ProcessorAMD EPYC 7R32AMD EPYC 7571
CPU makerAMDAMD
Clock speed3.3 GHz2.5 GHz
Sustained clock3.3 GHz2.2 GHz
Processor featuresAMD Turbo; AVX; AVX2AVX; AVX2; AMD Turbo
BurstableNoNo
Memory1 of 1 differc5ad.4xlarger5ad.4xlarge
Memory (GiB)32128
NetworkingAll 8 matchc5ad.4xlarger5ad.4xlarge
NetworkUp to 10 GigabitUp to 10 Gigabit
Network baseline5 Gbps5 Gbps
Network peak10 Gbps10 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFANoNo
IPv6YesYes
Max network interfaces88
IPv4 addresses per interface3030
Storage7 of 12 differc5ad.4xlarger5ad.4xlarge
Storage2 x 300 NVMe SSD2 x 300 NVMe SSD
Local disks2 × 300 GB SSD2 × 300 GB SSD
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughputUp to 3170 MbpsUp to 2120 Mbps
EBS baseline bandwidth1,580 Mbps2,880 Mbps
EBS max bandwidth3,170 Mbps2,880 Mbps
EBS baseline throughput197.5 MB/s360 MB/s
EBS max throughput396.25 MB/s360 MB/s
EBS baseline IOPS6,60016,000
EBS max IOPS13,30016,000
Max EBS volumes2525
Instance details3 of 10 differc5ad.4xlarger5ad.4xlarge
Familyc5adr5ad
CategoryCompute optimizedMemory optimized
Current generationYesYes
Normalization factor3232
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 c5ad.4xlarge first. Linux, USD per hour.

Regionc5ad.4xlarger5ad.4xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$0.688$1.048▲ 52%
US East (Ohio)us-east-2$0.688$1.048▲ 52%
US West (Oregon)us-west-2$0.688$1.048▲ 52%
EU (Ireland)eu-west-1$0.784$1.168▲ 49%
EU (Frankfurt)eu-central-1$0.8$1.264▲ 58%
Asia Pacific (Singapore)ap-southeast-1$0.808$1.272▲ 57%
Asia Pacific (Sydney)ap-southeast-2$0.904$1.272▲ 41%
South America (Sao Paulo)sa-east-1$1.072$1.664▲ 55%

Keep exploring

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

c5ad.4xlargeCompute optimized, c5ad family
c5ad.4xlarge prices and specsEvery size in the c5ad family

Compare c5ad.4xlarge with

c5a.4xlargec5d.4xlargem5ad.4xlarge
r5ad.4xlargeMemory optimized, r5ad family
r5ad.4xlarge prices and specsEvery size in the r5ad family

Compare r5ad.4xlarge with

r5d.4xlargem5ad.4xlarger5a.4xlarge

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.