c7i-flex.16xlargevsc7i.16xlarge

c7i-flex.16xlarge is 5% cheaper than c7i.16xlarge on demand in US East (N. Virginia), saving $104.24 a month.

At a glancec7i-flex.16xlargec7i.16xlarge
On-demand$2.713/hr5% less$2.856/hr
Lowest rate$0.6456/hr38% lessSpot, can be interrupted$1.037/hrSpot, can be interrupted
Size64 vCPUs, 128 GiB64 vCPUs, 128 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.16xlargec7i.16xlargec7i.16xlarge vs c7i-flex.16xlarge
On-demandPay by the hour$2.713$2.856▲ 5%
SpotCan be interrupted76% off$0.645664% off$1.037▲ 61%
1-yr reservedNo upfront34% off$1.79534% off$1.889▲ 5%
3-yr reservedNo upfront56% off$1.19456% off$1.257▲ 5%
1-yr savings planHourly commitment28% off$1.96128% off$2.064▲ 5%
3-yr savings planHourly commitment52% off$1.3152% off$1.379▲ 5%

Key differences

The biggest lead each one has.

Where c7i-flex.16xlarge leads
On-demand price$2.713 vs $2.856 per hour
5% cheaper
Where c7i.16xlarge leads
Network baseline25 Gbps vs 12.5 Gbps
2× higher
EBS baseline bandwidth20,000 Mbps vs 10,000 Mbps
2× higher

Specs

10 of 40 specs differ. Those are in bold.

Compute1 of 10 differc7i-flex.16xlargec7i.16xlarge
vCPUs6464
Physical cores3232
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.16xlargec7i.16xlarge
Memory (GiB)128128
Networking2 of 8 differc7i-flex.16xlargec7i.16xlarge
NetworkUp to 25000 Megabit25000 Megabit
Network baseline12.5 Gbps25 Gbps
Network peak25 Gbps25 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFANoNo
IPv6YesYes
Max network interfaces1515
IPv4 addresses per interface5050
Storage4 of 11 differc7i-flex.16xlargec7i.16xlarge
StorageEBS onlyEBS only
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughputUp to 20000 Mbps20000 Mbps
EBS baseline bandwidth10,000 Mbps20,000 Mbps
EBS max bandwidth20,000 Mbps20,000 Mbps
EBS baseline throughput1,250 MB/s2,500 MB/s
EBS max throughput2,500 MB/s2,500 MB/s
EBS baseline IOPS40,00080,000
EBS max IOPS80,00080,000
Max EBS volumes4848
Instance details3 of 10 differc7i-flex.16xlargec7i.16xlarge
Familyc7i-flexc7i
CategoryCompute optimizedCompute optimized
Current generationYesYes
Normalization factor128128
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.16xlarge first. Linux, USD per hour.

Regionc7i-flex.16xlargec7i.16xlargeDifference
Asia Pacific (Malaysia)ap-southeast-5$2.659$2.799▲ 5%
Asia Pacific (Thailand)ap-southeast-7$2.659$2.799▲ 5%
Asia Pacific (Mumbai)ap-south-1$2.713$2.856▲ 5%
US East (N. Virginia)Used in summaryus-east-1$2.713$2.856▲ 5%
US East (Ohio)us-east-2$2.713$2.856▲ 5%
US West (Oregon)us-west-2$2.713$2.856▲ 5%
Asia Pacific (Hyderabad)ap-south-2$2.713$2.856▲ 5%
Mexico (Central)mx-central-1$2.849$2.999▲ 5%
EU (Stockholm)eu-north-1$2.905$3.058▲ 5%
Europe (Spain)eu-south-2$2.91$3.064▲ 5%
EU (Ireland)eu-west-1$2.911$3.064▲ 5%
Canada (Central)ca-central-1$2.969$3.125▲ 5%
Asia Pacific (Seoul)ap-northeast-2$3.064$3.226▲ 5%
Asia Pacific (Taipei)ap-east-2$3.074$3.236▲ 5%
EU (Frankfurt)eu-central-1$3.096$3.259▲ 5%
Asia Pacific (Jakarta)ap-southeast-3$3.128$3.293▲ 5%
Asia Pacific (Singapore)ap-southeast-1$3.129$3.293▲ 5%
EU (London)eu-west-2$3.224$3.394▲ 5%
EU (Paris)eu-west-3$3.224$3.394▲ 5%
EU (Milan)eu-south-1$3.224$3.394▲ 5%
AWS GovCloud (US-West)us-gov-west-1$3.256$3.427▲ 5%
Middle East (UAE)me-central-1$3.26$3.432▲ 5%
US West (N. California)us-west-1$3.384$3.562▲ 5%
Europe (Zurich)eu-central-2$3.406$3.585▲ 5%
Asia Pacific (Tokyo)ap-northeast-1$3.415$3.595▲ 5%
Asia Pacific (Hong Kong)ap-east-1$3.447$3.629▲ 5%
Asia Pacific (Sydney)ap-southeast-2$3.543$3.73▲ 5%
Africa (Cape Town)af-south-1$3.639$3.83▲ 5%
Asia Pacific (New Zealand)ap-southeast-6$3.72$3.916▲ 5%
South America (Sao Paulo)sa-east-1$4.181$4.402▲ 5%

Keep exploring

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

c7i-flex.16xlargeCompute optimized, c7i-flex family
c7i-flex.16xlarge prices and specsEvery size in the c7i-flex family

Compare c7i-flex.16xlarge with

m7i-flex.16xlargec8i-flex.16xlarge
c7i.16xlargeCompute optimized, c7i family
c7i.16xlarge prices and specsEvery size in the c7i family

Compare c7i.16xlarge with

c7g.16xlargem7i.16xlarger7i.16xlargec7a.16xlargec6i.16xlargec8i.16xlarge

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.