c6a.32xlargevsc6i.32xlarge
c6a.32xlarge is 10% cheaper than c6i.32xlarge on demand in US East (N. Virginia), saving $397.12 a month.
| At a glance | c6a.32xlarge | c6i.32xlarge |
|---|---|---|
| On-demand | $4.896/hr10% less | $5.44/hr |
| Lowest rate | $1.487/hrSpot, can be interrupted | $1.292/hr13% lessSpot, can be interrupted |
| Size | 128 vCPUs, 256 GiB | 128 vCPUs, 256 GiB |
| Processor | AMD EPYC 7R13 Processor | Intel Xeon 8375C (Ice Lake) |
| 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 | c6a.32xlarge | c6i.32xlarge | c6i.32xlarge vs c6a.32xlarge |
|---|---|---|---|
| On-demandPay by the hour | $4.896 | $5.44 | ▲ 11% |
| SpotCan be interrupted | 70% off$1.487 | 76% off$1.292 | ▼ 13% |
| 1-yr reservedNo upfront | 34% off$3.239 | 34% off$3.599 | ▲ 11% |
| 3-yr reservedNo upfront | 56% off$2.155 | 56% off$2.395 | ▲ 11% |
| 1-yr savings planHourly commitment | 28% off$3.538 | 28% off$3.931 | ▲ 11% |
| 3-yr savings planHourly commitment | 52% off$2.364 | 52% off$2.627 | ▲ 11% |
Key differences
The biggest lead each one has.
Where c6a.32xlarge leads
On-demand price$4.896 vs $5.44 per hour
10% cheaperClock speed3.6 GHz vs 3.5 GHz
3% higherWhere c6i.32xlarge leads
No clear lead on the measures we compare.
Specs
8 of 40 specs differ. Those are in bold.
| Compute5 of 10 differ | c6a.32xlarge | c6i.32xlarge |
|---|---|---|
| vCPUs | 128 | 128 |
| Physical cores | 64 | 64 |
| Threads per core | 2 | 2 |
| Architecture | x86_64 | x86_64 |
| Processor | AMD EPYC 7R13 Processor | Intel Xeon 8375C (Ice Lake) |
| CPU maker | AMD | Intel |
| Clock speed | 3.6 GHz | 3.5 GHz |
| Sustained clock | 3.6 GHz | 3.5 GHz |
| Processor features | AMD Turbo; AVX; AVX2 | Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo |
| Burstable | No | No |
| MemoryAll 1 match | c6a.32xlarge | c6i.32xlarge |
|---|---|---|
| Memory (GiB) | 256 | 256 |
| Networking1 of 8 differ | c6a.32xlarge | c6i.32xlarge |
|---|---|---|
| Network | 50000 Megabit | 50000 Megabit |
| Network baseline | 50 Gbps | 50 Gbps |
| Network peak | 50 Gbps | 50 Gbps |
| Enhanced networking | Yes (ENA) | Yes (ENA) |
| EFA | No | Yes |
| IPv6 | Yes | Yes |
| Max network interfaces | 15 | 15 |
| IPv4 addresses per interface | 50 | 50 |
| Storage1 of 11 differ | c6a.32xlarge | c6i.32xlarge |
|---|---|---|
| Storage | EBS only | EBS only |
| EBS optimized | Yes | Yes |
| EBS over NVMe | Required | Required |
| EBS throughput | 26667 Mbps | 40000 Mbps |
| EBS baseline bandwidth | 40,000 Mbps | 40,000 Mbps |
| EBS max bandwidth | 40,000 Mbps | 40,000 Mbps |
| EBS baseline throughput | 5,000 MB/s | 5,000 MB/s |
| EBS max throughput | 5,000 MB/s | 5,000 MB/s |
| EBS baseline IOPS | 160,000 | 160,000 |
| EBS max IOPS | 160,000 | 160,000 |
| Max EBS volumes | 27 | 27 |
| Instance details1 of 10 differ | c6a.32xlarge | c6i.32xlarge |
|---|---|---|
| Family | c6a | c6i |
| Category | Compute optimized | Compute optimized |
| Current generation | Yes | Yes |
| Normalization factor | 256 | 256 |
| Bare metal | No | No |
| Hypervisor | Nitro | Nitro |
| Placement groups | Cluster, Partition, Spread | Cluster, Partition, Spread |
| Hibernation | No | No |
| Nitro Enclaves | Yes | Yes |
| Boot modes | Legacy BIOS, UEFI | Legacy BIOS, UEFI |
On-demand prices by region
Cheapest for c6a.32xlarge first. Linux, USD per hour.
| Region | c6a.32xlarge | c6i.32xlarge | Difference |
|---|---|---|---|
| Asia Pacific (Hyderabad)ap-south-2 | $2.992 | $5.44 | ▲ 82% |
| Asia Pacific (Mumbai)ap-south-1 | $2.992 | $5.44 | ▲ 82% |
| US East (N. Virginia)Used in summaryus-east-1 | $4.896 | $5.44 | ▲ 11% |
| US East (Ohio)us-east-2 | $4.896 | $5.44 | ▲ 11% |
| US West (Oregon)us-west-2 | $4.896 | $5.44 | ▲ 11% |
| EU (Ireland)eu-west-1 | $5.253 | $5.837 | ▲ 11% |
| Canada (Central)ca-central-1 | $5.357 | $5.952 | ▲ 11% |
| EU (Frankfurt)eu-central-1 | $5.587 | $6.208 | ▲ 11% |
| Asia Pacific (Singapore)ap-southeast-1 | $5.645 | $6.272 | ▲ 11% |
| EU (London)eu-west-2 | $5.818 | $6.464 | ▲ 11% |
| US West (N. California)us-west-1 | $6.106 | $6.784 | ▲ 11% |
| Asia Pacific (Tokyo)ap-northeast-1 | $6.163 | $6.848 | ▲ 11% |
| Asia Pacific (Hong Kong)ap-east-1 | $6.221 | $6.912 | ▲ 11% |
| Asia Pacific (Sydney)ap-southeast-2 | $6.394 | $7.104 | ▲ 11% |
| South America (Sao Paulo)sa-east-1 | $7.546 | $8.384 | ▲ 11% |
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.