c6a.2xlargevsc6i.2xlarge
c6a.2xlarge is 10% cheaper than c6i.2xlarge on demand in US East (N. Virginia), saving $24.82 a month.
| At a glance | c6a.2xlarge | c6i.2xlarge |
|---|---|---|
| On-demand | $0.306/hr10% less | $0.34/hr |
| Lowest rate | $0.1303/hrSpot, can be interrupted | $0.1155/hr11% lessSpot, can be interrupted |
| Size | 8 vCPUs, 16 GiB | 8 vCPUs, 16 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.2xlarge | c6i.2xlarge | c6i.2xlarge vs c6a.2xlarge |
|---|---|---|---|
| On-demandPay by the hour | $0.306 | $0.34 | ▲ 11% |
| SpotCan be interrupted | 57% off$0.1303 | 66% off$0.1155 | ▼ 11% |
| 1-yr reservedNo upfront | 34% off$0.2024 | 34% off$0.2249 | ▲ 11% |
| 3-yr reservedNo upfront | 56% off$0.1347 | 56% off$0.1497 | ▲ 11% |
| 1-yr savings planHourly commitment | 28% off$0.2211 | 28% off$0.2457 | ▲ 11% |
| 3-yr savings planHourly commitment | 52% off$0.1477 | 52% off$0.1642 | ▲ 11% |
Key differences
The biggest lead each one has.
Where c6a.2xlarge leads
On-demand price$0.306 vs $0.34 per hour
10% cheaperClock speed3.6 GHz vs 3.5 GHz
3% higherWhere c6i.2xlarge leads
No clear lead on the measures we compare.
Specs
7 of 40 specs differ. Those are in bold.
| Compute5 of 10 differ | c6a.2xlarge | c6i.2xlarge |
|---|---|---|
| vCPUs | 8 | 8 |
| Physical cores | 4 | 4 |
| 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.2xlarge | c6i.2xlarge |
|---|---|---|
| Memory (GiB) | 16 | 16 |
| NetworkingAll 8 match | c6a.2xlarge | c6i.2xlarge |
|---|---|---|
| Network | Up to 12500 Megabit | Up to 12500 Megabit |
| Network baseline | 3.125 Gbps | 3.125 Gbps |
| Network peak | 12.5 Gbps | 12.5 Gbps |
| Enhanced networking | Yes (ENA) | Yes (ENA) |
| EFA | No | No |
| IPv6 | Yes | Yes |
| Max network interfaces | 4 | 4 |
| IPv4 addresses per interface | 15 | 15 |
| Storage1 of 11 differ | c6a.2xlarge | c6i.2xlarge |
|---|---|---|
| Storage | EBS only | EBS only |
| EBS optimized | Yes | Yes |
| EBS over NVMe | Required | Required |
| EBS throughput | Up to 6667 Mbps | Up to 10000 Mbps |
| EBS baseline bandwidth | 2,500 Mbps | 2,500 Mbps |
| EBS max bandwidth | 10,000 Mbps | 10,000 Mbps |
| EBS baseline throughput | 312.5 MB/s | 312.5 MB/s |
| EBS max throughput | 1,250 MB/s | 1,250 MB/s |
| EBS baseline IOPS | 12,000 | 12,000 |
| EBS max IOPS | 40,000 | 40,000 |
| Max EBS volumes | 27 | 27 |
| Instance details1 of 10 differ | c6a.2xlarge | c6i.2xlarge |
|---|---|---|
| Family | c6a | c6i |
| Category | Compute optimized | Compute optimized |
| Current generation | Yes | Yes |
| Normalization factor | 16 | 16 |
| 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 c6a.2xlarge first. Linux, USD per hour.
| Region | c6a.2xlarge | c6i.2xlarge | Difference |
|---|---|---|---|
| Asia Pacific (Hyderabad)ap-south-2 | $0.187 | $0.34 | ▲ 82% |
| Asia Pacific (Mumbai)ap-south-1 | $0.187 | $0.34 | ▲ 82% |
| US East (N. Virginia)Used in summaryus-east-1 | $0.306 | $0.34 | ▲ 11% |
| US East (Ohio)us-east-2 | $0.306 | $0.34 | ▲ 11% |
| US West (Oregon)us-west-2 | $0.306 | $0.34 | ▲ 11% |
| EU (Ireland)eu-west-1 | $0.3283 | $0.3648 | ▲ 11% |
| Canada (Central)ca-central-1 | $0.3348 | $0.372 | ▲ 11% |
| EU (Frankfurt)eu-central-1 | $0.3492 | $0.388 | ▲ 11% |
| Asia Pacific (Singapore)ap-southeast-1 | $0.3528 | $0.392 | ▲ 11% |
| EU (London)eu-west-2 | $0.3636 | $0.404 | ▲ 11% |
| US West (N. California)us-west-1 | $0.3816 | $0.424 | ▲ 11% |
| Asia Pacific (Tokyo)ap-northeast-1 | $0.3852 | $0.428 | ▲ 11% |
| Asia Pacific (Hong Kong)ap-east-1 | $0.3888 | $0.432 | ▲ 11% |
| Asia Pacific (Sydney)ap-southeast-2 | $0.3996 | $0.444 | ▲ 11% |
| South America (Sao Paulo)sa-east-1 | $0.4716 | $0.524 | ▲ 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.