c7i-flex.4xlargevsc7i.4xlarge

c7i-flex.4xlarge is 5% cheaper than c7i.4xlarge on demand in US East (N. Virginia), saving $26.06 a month.

At a glancec7i-flex.4xlargec7i.4xlarge
On-demand$0.6783/hr5% less$0.714/hr
Lowest rate$0.2289/hrSpot, can be interrupted$0.1827/hr20% lessSpot, can be interrupted
Size16 vCPUs, 32 GiB16 vCPUs, 32 GiB
ProcessorIntel Xeon Scalable (Sapphire Rapids)Intel 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.

Optionc7i-flex.4xlargec7i.4xlargec7i.4xlarge vs c7i-flex.4xlarge
On-demandPay by the hour$0.6783$0.714▲ 5%
SpotCan be interrupted66% off$0.228974% off$0.1827▼ 20%
1-yr reservedNo upfront34% off$0.448734% off$0.4723▲ 5%
3-yr reservedNo upfront56% off$0.298656% off$0.3144▲ 5%
1-yr savings planHourly commitment28% off$0.490228% off$0.516▲ 5%
3-yr savings planHourly commitment52% off$0.327552% off$0.3447▲ 5%

Key differences

The biggest lead each one has.

Where c7i-flex.4xlarge leads
On-demand price$0.6783 vs $0.714 per hour
5% cheaper
Where c7i.4xlarge leads
Network baseline6.25 Gbps vs 3.125 Gbps
2× higher
EBS baseline bandwidth5,000 Mbps vs 2,500 Mbps
2× higher

Specs

8 of 40 specs differ. Those are in bold.

Compute1 of 10 differc7i-flex.4xlargec7i.4xlarge
vCPUs1616
Physical cores88
Threads per core22
Architecturex86_64x86_64
ProcessorIntel Xeon Scalable (Sapphire Rapids)Intel Xeon Scalable (Sapphire Rapids)
CPU makerIntelIntel
Clock speed3.2 GHz3.2 GHz
Sustained clock3.2 GHz3.2 GHz
Processor featuresIntel AMX; Intel AVX; Intel AVX2; Intel AVX512; Intel TurboIntel AVX; Intel AVX2; Intel AVX512; Intel Turbo; Intel AMX
BurstableNoNo
MemoryAll 1 matchc7i-flex.4xlargec7i.4xlarge
Memory (GiB)3232
Networking1 of 8 differc7i-flex.4xlargec7i.4xlarge
NetworkUp to 12500 MegabitUp to 12500 Megabit
Network baseline3.125 Gbps6.25 Gbps
Network peak12.5 Gbps12.5 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFANoNo
IPv6YesYes
Max network interfaces88
IPv4 addresses per interface3030
Storage3 of 11 differc7i-flex.4xlargec7i.4xlarge
StorageEBS onlyEBS only
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughputUp to 10000 MbpsUp to 10000 Mbps
EBS baseline bandwidth2,500 Mbps5,000 Mbps
EBS max bandwidth10,000 Mbps10,000 Mbps
EBS baseline throughput312.5 MB/s625 MB/s
EBS max throughput1,250 MB/s1,250 MB/s
EBS baseline IOPS12,00020,000
EBS max IOPS40,00040,000
Max EBS volumes3232
Instance details3 of 10 differc7i-flex.4xlargec7i.4xlarge
Familyc7i-flexc7i
CategoryCompute optimizedCompute optimized
Current generationYesYes
Normalization factor3232
Bare metalNoNo
HypervisorNitroNitro
Placement groupsPartition, SpreadCluster, Partition, Spread
HibernationYesYes
Nitro EnclavesNoYes
Boot modesLegacy BIOS, UEFILegacy BIOS, UEFI

On-demand prices by region

Cheapest for c7i-flex.4xlarge first. Linux, USD per hour.

Regionc7i-flex.4xlargec7i.4xlargeDifference
Asia Pacific (Malaysia)ap-southeast-5$0.6648$0.6998▲ 5%
Asia Pacific (Thailand)ap-southeast-7$0.6648$0.6998▲ 5%
Asia Pacific (Hyderabad)ap-south-2$0.6783$0.714▲ 5%
Asia Pacific (Mumbai)ap-south-1$0.6783$0.714▲ 5%
US East (N. Virginia)Used in summaryus-east-1$0.6783$0.714▲ 5%
US East (Ohio)us-east-2$0.6783$0.714▲ 5%
US West (Oregon)us-west-2$0.6783$0.714▲ 5%
Mexico (Central)mx-central-1$0.7122$0.7497▲ 5%
EU (Stockholm)eu-north-1$0.7262$0.7644▲ 5%
Europe (Spain)eu-south-2$0.7276$0.766▲ 5%
EU (Ireland)eu-west-1$0.7278$0.7661▲ 5%
Canada (Central)ca-central-1$0.7421$0.7812▲ 5%
Asia Pacific (Seoul)ap-northeast-2$0.7661$0.8064▲ 5%
Asia Pacific (Taipei)ap-east-2$0.7685$0.809▲ 5%
EU (Frankfurt)eu-central-1$0.7741$0.8148▲ 5%
Asia Pacific (Jakarta)ap-southeast-3$0.782$0.8232▲ 5%
Asia Pacific (Singapore)ap-southeast-1$0.7822$0.8232▲ 5%
EU (London)eu-west-2$0.806$0.8484▲ 5%
EU (Milan)eu-south-1$0.806$0.8484▲ 5%
EU (Paris)eu-west-3$0.806$0.8484▲ 5%
AWS GovCloud (US-West)us-gov-west-1$0.814$0.8568▲ 5%
Middle East (UAE)me-central-1$0.8151$0.858▲ 5%
US West (N. California)us-west-1$0.8459$0.8904▲ 5%
Europe (Zurich)eu-central-2$0.8515$0.8963▲ 5%
Asia Pacific (Tokyo)ap-northeast-1$0.8539$0.8988▲ 5%
Asia Pacific (Hong Kong)ap-east-1$0.8618$0.9072▲ 5%
Asia Pacific (Sydney)ap-southeast-2$0.8858$0.9324▲ 5%
Africa (Cape Town)af-south-1$0.9097$0.9576▲ 5%
Asia Pacific (New Zealand)ap-southeast-6$0.9301$0.979▲ 5%
South America (Sao Paulo)sa-east-1$1.045$1.10▲ 5%

Keep exploring

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

c7i-flex.4xlargeCompute optimized, c7i-flex family
c7i-flex.4xlarge prices and specsEvery size in the c7i-flex family

Compare c7i-flex.4xlarge with

m7i-flex.4xlargec8i-flex.4xlarge
c7i.4xlargeCompute optimized, c7i family
c7i.4xlarge prices and specsEvery size in the c7i family

Compare c7i.4xlarge with

c7g.4xlargem7i.4xlarger7i.4xlargec7a.4xlargec6i.4xlargec8i.4xlarge

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