c8a.largevsr8a.large
c8a.large is 33% cheaper than r8a.large on demand in US East (N. Virginia), saving $37.96 a month.
Prices in US East (N. Virginia)
“Off” is the discount against each type’s own on-demand price. Linux, USD per hour.
| Option | c8a.large | r8a.large | r8a.large vs c8a.large |
|---|---|---|---|
| On-demandPay by the hour | $0.1078 | $0.1598 | ▲ 48% |
| SpotCan be interrupted | 69% off$0.0335 | 78% off$0.0344 | ▲ 3% |
| 1-yr savings planHourly commitment | 28% off$0.0779 | 28% off$0.1158 | ▲ 49% |
| 3-yr savings planHourly commitment | 52% off$0.052 | 48% off$0.0833 | ▲ 60% |
Key differences
The biggest lead each one has.
Where c8a.large leads
On-demand price$0.1078 vs $0.1598 per hour
33% cheaperWhere r8a.large leads
Memory (GiB)16 vs 4
4× higherSpecs
3 of 40 specs differ. Those are in bold.
| ComputeAll 10 match | c8a.large | r8a.large |
|---|---|---|
| vCPUs | 2 | 2 |
| Physical cores | 2 | 2 |
| Threads per core | 1 | 1 |
| Architecture | x86_64 | x86_64 |
| Processor | AMD EPYC 9R45 Processor | AMD EPYC 9R45 Processor |
| CPU maker | AMD | AMD |
| Clock speed | Up to 4.5 GHz | Up to 4.5 GHz |
| Sustained clock | 4.5 GHz | 4.5 GHz |
| Processor features | AMD Turbo; AVX; AVX2; AVX512 | AMD Turbo; AVX; AVX2; AVX512 |
| Burstable | No | No |
| Memory1 of 1 differ | c8a.large | r8a.large |
|---|---|---|
| Memory (GiB) | 4 | 16 |
| NetworkingAll 8 match | c8a.large | r8a.large |
|---|---|---|
| Network | Up to 15000 Megabit | Up to 15000 Megabit |
| Network baseline | 0.937 Gbps | 0.937 Gbps |
| Network peak | 12.5 Gbps | 12.5 Gbps |
| Enhanced networking | Yes (ENA) | Yes (ENA) |
| EFA | No | No |
| IPv6 | Yes | Yes |
| Max network interfaces | 3 | 3 |
| IPv4 addresses per interface | 20 | 20 |
| StorageAll 11 match | c8a.large | r8a.large |
|---|---|---|
| Storage | EBS only | EBS only |
| EBS optimized | Yes | Yes |
| EBS over NVMe | Required | Required |
| EBS throughput | Up to 10000 Mbps | Up to 10000 Mbps |
| EBS baseline bandwidth | 650 Mbps | 650 Mbps |
| EBS max bandwidth | 10,000 Mbps | 10,000 Mbps |
| EBS baseline throughput | 81.25 MB/s | 81.25 MB/s |
| EBS max throughput | 1,250 MB/s | 1,250 MB/s |
| EBS baseline IOPS | 3,600 | 3,600 |
| EBS max IOPS | 40,000 | 40,000 |
| Max EBS volumes | 32 | 32 |
| Instance details2 of 10 differ | c8a.large | r8a.large |
|---|---|---|
| Family | c8a | r8a |
| Category | Compute optimized | Memory optimized |
| Current generation | Yes | Yes |
| Normalization factor | 4 | 4 |
| 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 c8a.large first. Linux, USD per hour.
| Region | c8a.large | r8a.large | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $0.1078 | $0.1598 | ▲ 48% |
| US East (Ohio)us-east-2 | $0.1078 | $0.1598 | ▲ 48% |
| US West (Oregon)us-west-2 | $0.1078 | $0.1598 | ▲ 48% |
| EU (Ireland)eu-west-1 | $0.1156 | $0.1788 | ▲ 55% |
| Europe (Spain)eu-south-2 | $0.1156 | $0.1788 | ▲ 55% |
| EU (Frankfurt)eu-central-1 | $0.123 | $0.1927 | ▲ 57% |
| Asia Pacific (Tokyo)ap-northeast-1 | $0.1357 | $0.1927 | ▲ 42% |
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.