c7a.4xlargevsc7i.4xlarge

c7i.4xlarge is 13% cheaper than c7a.4xlarge on demand in US East (N. Virginia), saving $78.18 a month.

At a glancec7a.4xlargec7i.4xlarge
On-demand$0.8211/hr$0.714/hr13% less
Lowest rate$0.2777/hrSpot, can be interrupted$0.1827/hr34% lessSpot, can be interrupted
Size16 vCPUs, 32 GiB16 vCPUs, 32 GiB
ProcessorAMD EPYC 9R14 ProcessorIntel Xeon Scalable (Sapphire Rapids)
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.

Optionc7a.4xlargec7i.4xlargec7i.4xlarge vs c7a.4xlarge
On-demandPay by the hour$0.8211$0.714▼ 13%
SpotCan be interrupted66% off$0.277774% off$0.1827▼ 34%
1-yr reservedNo upfront34% off$0.543234% off$0.4723▼ 13%
3-yr reservedNo upfront56% off$0.361556% off$0.3144▼ 13%
1-yr savings planHourly commitment28% off$0.593428% off$0.516▼ 13%
3-yr savings planHourly commitment52% off$0.396552% off$0.3447▼ 13%

Key differences

The biggest lead each one has.

Where c7a.4xlarge leads
Physical cores16 vs 8
2× higher
Where c7i.4xlarge leads
On-demand price$0.714 vs $0.8211 per hour
13% cheaper

Specs

8 of 40 specs differ. Those are in bold.

Compute7 of 10 differc7a.4xlargec7i.4xlarge
vCPUs1616
Physical cores168
Threads per core12
Architecturex86_64x86_64
ProcessorAMD EPYC 9R14 ProcessorIntel Xeon Scalable (Sapphire Rapids)
CPU makerAMDIntel
Clock speedUp to 3.7 GHz3.2 GHz
Sustained clock3.7 GHz3.2 GHz
Processor featuresAMD Turbo; AVX; AVX2; AVX512Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo; Intel AMX
BurstableNoNo
MemoryAll 1 matchc7a.4xlargec7i.4xlarge
Memory (GiB)3232
NetworkingAll 8 matchc7a.4xlargec7i.4xlarge
NetworkUp to 12500 MegabitUp to 12500 Megabit
Network baseline6.25 Gbps6.25 Gbps
Network peak12.5 Gbps12.5 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFANoNo
IPv6YesYes
Max network interfaces88
IPv4 addresses per interface3030
StorageAll 11 matchc7a.4xlargec7i.4xlarge
StorageEBS onlyEBS only
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughputUp to 10000 MbpsUp to 10000 Mbps
EBS baseline bandwidth5,000 Mbps5,000 Mbps
EBS max bandwidth10,000 Mbps10,000 Mbps
EBS baseline throughput625 MB/s625 MB/s
EBS max throughput1,250 MB/s1,250 MB/s
EBS baseline IOPS20,00020,000
EBS max IOPS40,00040,000
Max EBS volumes3232
Instance details1 of 10 differc7a.4xlargec7i.4xlarge
Familyc7ac7i
CategoryCompute optimizedCompute optimized
Current generationYesYes
Normalization factor3232
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 c7a.4xlarge first. Linux, USD per hour.

Regionc7a.4xlargec7i.4xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$0.8211$0.714▼ 13%
US East (Ohio)us-east-2$0.8211$0.714▼ 13%
US West (Oregon)us-west-2$0.8211$0.714▼ 13%
EU (Stockholm)eu-north-1$0.879$0.7644▼ 13%
Europe (Spain)eu-south-2$0.8808$0.766▼ 13%
EU (Ireland)eu-west-1$0.881$0.7661▼ 13%
EU (Frankfurt)eu-central-1$0.937$0.8148▼ 13%
Asia Pacific (Singapore)ap-southeast-1$0.9467$0.8232▼ 13%
EU (London)eu-west-2$0.9757$0.8484▼ 13%
US West (N. California)us-west-1$1.024$0.8904▼ 13%
Asia Pacific (Tokyo)ap-northeast-1$1.034$0.8988▼ 13%

Keep exploring

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

c7a.4xlargeCompute optimized, c7a family
c7a.4xlarge prices and specsEvery size in the c7a family

Compare c7a.4xlarge with

c7g.4xlargem7a.4xlarger7a.4xlargec6a.4xlargec8a.4xlarge
c7i.4xlargeCompute optimized, c7i family
c7i.4xlarge prices and specsEvery size in the c7i family

Compare c7i.4xlarge with

c7g.4xlargec7i-flex.4xlargem7i.4xlarger7i.4xlargec6i.4xlargec8i.4xlarge

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.