c7a.8xlargevsc7i.8xlarge
c7i.8xlarge is 13% cheaper than c7a.8xlarge on demand in US East (N. Virginia), saving $156.37 a month.
| At a glance | c7a.8xlarge | c7i.8xlarge |
|---|---|---|
| On-demand | $1.642/hr | $1.428/hr13% less |
| Lowest rate | $0.4867/hr25% lessSpot, can be interrupted | $0.648/hrSpot, can be interrupted |
| Size | 32 vCPUs, 64 GiB | 32 vCPUs, 64 GiB |
| Processor | AMD EPYC 9R14 Processor | 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 | c7a.8xlarge | c7i.8xlarge | c7i.8xlarge vs c7a.8xlarge |
|---|---|---|---|
| On-demandPay by the hour | $1.642 | $1.428 | ▼ 13% |
| SpotCan be interrupted | 70% off$0.4867 | 55% off$0.648 | ▲ 33% |
| 1-yr reservedNo upfront | 34% off$1.086 | 34% off$0.9446 | ▼ 13% |
| 3-yr reservedNo upfront | 56% off$0.723 | 56% off$0.6287 | ▼ 13% |
| 1-yr savings planHourly commitment | 28% off$1.187 | 28% off$1.032 | ▼ 13% |
| 3-yr savings planHourly commitment | 52% off$0.7929 | 52% off$0.6895 | ▼ 13% |
Key differences
The biggest lead each one has.
Where c7a.8xlarge leads
Physical cores32 vs 16
2× higherWhere c7i.8xlarge leads
On-demand price$1.428 vs $1.642 per hour
13% cheaperSpecs
8 of 40 specs differ. Those are in bold.
| Compute7 of 10 differ | c7a.8xlarge | c7i.8xlarge |
|---|---|---|
| vCPUs | 32 | 32 |
| Physical cores | 32 | 16 |
| Threads per core | 1 | 2 |
| Architecture | x86_64 | x86_64 |
| Processor | AMD EPYC 9R14 Processor | Intel Xeon Scalable (Sapphire Rapids) |
| CPU maker | AMD | Intel |
| Clock speed | Up to 3.7 GHz | 3.2 GHz |
| Sustained clock | 3.7 GHz | 3.2 GHz |
| Processor features | AMD Turbo; AVX; AVX2; AVX512 | Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo; Intel AMX |
| Burstable | No | No |
| MemoryAll 1 match | c7a.8xlarge | c7i.8xlarge |
|---|---|---|
| Memory (GiB) | 64 | 64 |
| NetworkingAll 8 match | c7a.8xlarge | c7i.8xlarge |
|---|---|---|
| Network | 12500 Megabit | 12500 Megabit |
| Network baseline | 12.5 Gbps | 12.5 Gbps |
| Network peak | 12.5 Gbps | 12.5 Gbps |
| Enhanced networking | Yes (ENA) | Yes (ENA) |
| EFA | No | No |
| IPv6 | Yes | Yes |
| Max network interfaces | 8 | 8 |
| IPv4 addresses per interface | 30 | 30 |
| StorageAll 11 match | c7a.8xlarge | c7i.8xlarge |
|---|---|---|
| Storage | EBS only | EBS only |
| EBS optimized | Yes | Yes |
| EBS over NVMe | Required | Required |
| EBS throughput | 10000 Mbps | 10000 Mbps |
| EBS baseline bandwidth | 10,000 Mbps | 10,000 Mbps |
| EBS max bandwidth | 10,000 Mbps | 10,000 Mbps |
| EBS baseline throughput | 1,250 MB/s | 1,250 MB/s |
| EBS max throughput | 1,250 MB/s | 1,250 MB/s |
| EBS baseline IOPS | 40,000 | 40,000 |
| EBS max IOPS | 40,000 | 40,000 |
| Max EBS volumes | 32 | 32 |
| Instance details1 of 10 differ | c7a.8xlarge | c7i.8xlarge |
|---|---|---|
| Family | c7a | c7i |
| Category | Compute optimized | Compute optimized |
| Current generation | Yes | Yes |
| Normalization factor | 64 | 64 |
| Bare metal | No | No |
| Hypervisor | Nitro | Nitro |
| Placement groups | Cluster, Partition, Spread | Cluster, Partition, Spread |
| Hibernation | Yes | Yes |
| Nitro Enclaves | Yes | Yes |
| Boot modes | Legacy BIOS, UEFI | Legacy BIOS, UEFI |
On-demand prices by region
Cheapest for c7a.8xlarge first. Linux, USD per hour.
| Region | c7a.8xlarge | c7i.8xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $1.642 | $1.428 | ▼ 13% |
| US East (Ohio)us-east-2 | $1.642 | $1.428 | ▼ 13% |
| US West (Oregon)us-west-2 | $1.642 | $1.428 | ▼ 13% |
| EU (Stockholm)eu-north-1 | $1.758 | $1.529 | ▼ 13% |
| Europe (Spain)eu-south-2 | $1.762 | $1.532 | ▼ 13% |
| EU (Ireland)eu-west-1 | $1.762 | $1.532 | ▼ 13% |
| EU (Frankfurt)eu-central-1 | $1.874 | $1.63 | ▼ 13% |
| Asia Pacific (Singapore)ap-southeast-1 | $1.893 | $1.646 | ▼ 13% |
| EU (London)eu-west-2 | $1.951 | $1.697 | ▼ 13% |
| US West (N. California)us-west-1 | $2.048 | $1.781 | ▼ 13% |
| Asia Pacific (Tokyo)ap-northeast-1 | $2.067 | $1.798 | ▼ 13% |
Keep exploring
Each type’s own page, and how it compares with others.
AWS EC2 Linux prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.