c7i-flex.16xlargevsm7i-flex.16xlarge
c7i-flex.16xlarge is 11% cheaper than m7i-flex.16xlarge on demand in US East (N. Virginia), saving $256.30 a month.
| At a glance | c7i-flex.16xlarge | m7i-flex.16xlarge |
|---|---|---|
| On-demand | $2.713/hr11% less | $3.064/hr |
| Lowest rate | $0.6456/hr27% lessSpot, can be interrupted | $0.8833/hrSpot, can be interrupted |
| Size | 64 vCPUs, 128 GiB | 64 vCPUs, 256 GiB |
| Processor | Intel Xeon Scalable (Sapphire Rapids) | Intel Xeon Scalable (Sapphire Rapids) |
| Architecture | x86_64 | x86_64 |
Prices in US East (N. Virginia)
“Off” is the discount against each type’s own on-demand price. Linux, USD per hour.
| Option | c7i-flex.16xlarge | m7i-flex.16xlarge | m7i-flex.16xlarge vs c7i-flex.16xlarge |
|---|---|---|---|
| On-demandPay by the hour | $2.713 | $3.064 | ▲ 13% |
| SpotCan be interrupted | 76% off$0.6456 | 71% off$0.8833 | ▲ 37% |
| 1-yr reservedNo upfront | 34% off$1.795 | 34% off$2.027 | ▲ 13% |
| 3-yr reservedNo upfront | 56% off$1.194 | 55% off$1.39 | ▲ 16% |
| 1-yr savings planHourly commitment | 28% off$1.961 | 27% off$2.251 | ▲ 15% |
| 3-yr savings planHourly commitment | 52% off$1.31 | 49% off$1.554 | ▲ 19% |
Key differences
The biggest lead each one has.
Where c7i-flex.16xlarge leads
On-demand price$2.713 vs $3.064 per hour
11% cheaperWhere m7i-flex.16xlarge leads
Memory (GiB)256 vs 128
2× higherClock speed3.5 GHz vs 3.2 GHz
9% higherSpecs
5 of 40 specs differ. Those are in bold.
| Compute2 of 10 differ | c7i-flex.16xlarge | m7i-flex.16xlarge |
|---|---|---|
| vCPUs | 64 | 64 |
| Physical cores | 32 | 32 |
| Threads per core | 2 | 2 |
| Architecture | x86_64 | x86_64 |
| Processor | Intel Xeon Scalable (Sapphire Rapids) | Intel Xeon Scalable (Sapphire Rapids) |
| CPU maker | Intel | Intel |
| Clock speed | 3.2 GHz | 3.5 GHz |
| Sustained clock | 3.2 GHz | 3.2 GHz |
| Processor features | Intel AMX; Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo | Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo; Intel AMX |
| Burstable | No | No |
| Memory1 of 1 differ | c7i-flex.16xlarge | m7i-flex.16xlarge |
|---|---|---|
| Memory (GiB) | 128 | 256 |
| NetworkingAll 8 match | c7i-flex.16xlarge | m7i-flex.16xlarge |
|---|---|---|
| Network | Up to 25000 Megabit | Up to 25000 Megabit |
| Network baseline | 12.5 Gbps | 12.5 Gbps |
| Network peak | 25 Gbps | 25 Gbps |
| Enhanced networking | Yes (ENA) | Yes (ENA) |
| EFA | No | No |
| IPv6 | Yes | Yes |
| Max network interfaces | 15 | 15 |
| IPv4 addresses per interface | 50 | 50 |
| StorageAll 11 match | c7i-flex.16xlarge | m7i-flex.16xlarge |
|---|---|---|
| Storage | EBS only | EBS only |
| EBS optimized | Yes | Yes |
| EBS over NVMe | Required | Required |
| EBS throughput | Up to 20000 Mbps | Up to 20000 Mbps |
| EBS baseline bandwidth | 10,000 Mbps | 10,000 Mbps |
| EBS max bandwidth | 20,000 Mbps | 20,000 Mbps |
| EBS baseline throughput | 1,250 MB/s | 1,250 MB/s |
| EBS max throughput | 2,500 MB/s | 2,500 MB/s |
| EBS baseline IOPS | 40,000 | 40,000 |
| EBS max IOPS | 80,000 | 80,000 |
| Max EBS volumes | 48 | 48 |
| Instance details2 of 10 differ | c7i-flex.16xlarge | m7i-flex.16xlarge |
|---|---|---|
| Family | c7i-flex | m7i-flex |
| Category | Compute optimized | General purpose |
| Current generation | Yes | Yes |
| Normalization factor | 128 | 128 |
| Bare metal | No | No |
| Hypervisor | Nitro | Nitro |
| Placement groups | Partition, Spread | Partition, Spread |
| Hibernation | Yes | Yes |
| Nitro Enclaves | No | No |
| Boot modes | Legacy BIOS, UEFI | Legacy BIOS, UEFI |
On-demand prices by region
Cheapest for c7i-flex.16xlarge first. Linux, USD per hour.
| Region | c7i-flex.16xlarge | m7i-flex.16xlarge | Difference |
|---|---|---|---|
| Asia Pacific (Malaysia)ap-southeast-5 | $2.659 | $3.256 | ▲ 22% |
| Asia Pacific (Thailand)ap-southeast-7 | $2.659 | $3.256 | ▲ 22% |
| Asia Pacific (Mumbai)ap-south-1 | $2.713 | $3.224 | ▲ 19% |
| US East (N. Virginia)Used in summaryus-east-1 | $2.713 | $3.064 | ▲ 13% |
| US East (Ohio)us-east-2 | $2.713 | $3.064 | ▲ 13% |
| US West (Oregon)us-west-2 | $2.713 | $3.064 | ▲ 13% |
| Asia Pacific (Hyderabad)ap-south-2 | $2.713 | $3.224 | ▲ 19% |
| Mexico (Central)mx-central-1 | $2.849 | $3.217 | ▲ 13% |
| EU (Stockholm)eu-north-1 | $2.905 | $3.256 | ▲ 12% |
| Europe (Spain)eu-south-2 | $2.91 | $3.415 | ▲ 17% |
| EU (Ireland)eu-west-1 | $2.911 | $3.415 | ▲ 17% |
| Canada (Central)ca-central-1 | $2.969 | $3.415 | ▲ 15% |
| Asia Pacific (Seoul)ap-northeast-2 | $3.064 | $3.767 | ▲ 23% |
| Asia Pacific (Taipei)ap-east-2 | $3.074 | $3.562 | ▲ 16% |
| EU (Frankfurt)eu-central-1 | $3.096 | $3.671 | ▲ 19% |
| Asia Pacific (Singapore)ap-southeast-1 | $3.129 | $3.83 | ▲ 22% |
| EU (London)eu-west-2 | $3.224 | $3.543 | ▲ 10% |
| EU (Paris)eu-west-3 | $3.224 | $3.575 | ▲ 11% |
| AWS GovCloud (US-West)us-gov-west-1 | $3.256 | $3.862 | ▲ 19% |
| US West (N. California)us-west-1 | $3.384 | $3.575 | ▲ 6% |
| Asia Pacific (Tokyo)ap-northeast-1 | $3.415 | $3.958 | ▲ 16% |
| Asia Pacific (Hong Kong)ap-east-1 | $3.447 | $4.213 | ▲ 22% |
| Asia Pacific (Sydney)ap-southeast-2 | $3.543 | $3.83 | ▲ 8% |
| Asia Pacific (New Zealand)ap-southeast-6 | $3.72 | $4.022 | ▲ 8% |
| South America (Sao Paulo)sa-east-1 | $4.181 | $4.884 | ▲ 17% |
Keep exploring
Each type’s own page, and how it compares with others.
c7i-flex.16xlarge
c7i-flex.16xlarge prices and specsEvery size in the c7i-flex familyCompare c7i-flex.16xlarge with
m7i-flex.16xlarge
m7i-flex.16xlarge prices and specsEvery size in the m7i-flex familyCompare m7i-flex.16xlarge with
AWS EC2 Linux prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.