c6a.2xlargevsc6g.2xlarge
c6g.2xlarge is 11% cheaper than c6a.2xlarge on demand in US East (N. Virginia), saving $24.82 a month. They use different processor architectures (x86_64 and arm64), so software built for one may need rebuilding to run on the other.
| At a glance | c6a.2xlarge | c6g.2xlarge |
|---|---|---|
| On-demand | $0.306/hr | $0.272/hr11% less |
| Lowest rate | $0.1347/hr3-yr reserved, no upfront | $0.1175/hr13% less3-yr reserved, no upfront |
| Size | 8 vCPUs, 16 GiB | 8 vCPUs, 16 GiB |
| Processor | AMD EPYC 7R13 Processor | AWS Graviton2 Processor |
| Architecture | x86_64 | arm64 |
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 | c6g.2xlarge | c6g.2xlarge vs c6a.2xlarge |
|---|---|---|---|
| On-demandPay by the hour | $0.306 | $0.272 | ▼ 11% |
| SpotCan be interrupted | 57% off$0.1303 | 49% off$0.1398 | ▲ 7% |
| 1-yr reservedNo upfront | 34% off$0.2024 | 37% off$0.1714 | ▼ 15% |
| 3-yr reservedNo upfront | 56% off$0.1347 | 57% off$0.1175 | ▼ 13% |
| 1-yr savings planHourly commitment | 28% off$0.2211 | 27% off$0.1982 | ▼ 10% |
| 3-yr savings planHourly commitment | 52% off$0.1477 | 52% off$0.1313 | ▼ 11% |
Key differences
The biggest lead each one has.
Where c6a.2xlarge leads
EBS max bandwidth10,000 Mbps vs 4,750 Mbps
2.1× higherClock speed3.6 GHz vs 2.5 GHz
44% higherNetwork baseline3.125 Gbps vs 2.5 Gbps
25% higherWhere c6g.2xlarge leads
On-demand price$0.272 vs $0.306 per hour
11% cheaperPhysical cores8 vs 4
2× higherSpecs
19 of 40 specs differ. Those are in bold.
| Compute8 of 10 differ | c6a.2xlarge | c6g.2xlarge |
|---|---|---|
| vCPUs | 8 | 8 |
| Physical cores | 4 | 8 |
| Threads per core | 2 | 1 |
| Architecture | x86_64 | arm64 |
| Processor | AMD EPYC 7R13 Processor | AWS Graviton2 Processor |
| CPU maker | AMD | AWS |
| Clock speed | 3.6 GHz | 2.5 GHz |
| Sustained clock | 3.6 GHz | 2.5 GHz |
| Processor features | AMD Turbo; AVX; AVX2 | – |
| Burstable | No | No |
| MemoryAll 1 match | c6a.2xlarge | c6g.2xlarge |
|---|---|---|
| Memory (GiB) | 16 | 16 |
| Networking3 of 8 differ | c6a.2xlarge | c6g.2xlarge |
|---|---|---|
| Network | Up to 12500 Megabit | Up to 10 Gigabit |
| Network baseline | 3.125 Gbps | 2.5 Gbps |
| Network peak | 12.5 Gbps | 10 Gbps |
| Enhanced networking | Yes (ENA) | Yes (ENA) |
| EFA | No | No |
| IPv6 | Yes | Yes |
| Max network interfaces | 4 | 4 |
| IPv4 addresses per interface | 15 | 15 |
| Storage6 of 11 differ | c6a.2xlarge | c6g.2xlarge |
|---|---|---|
| Storage | EBS only | EBS only |
| EBS optimized | Yes | Yes |
| EBS over NVMe | Required | Required |
| EBS throughput | Up to 6667 Mbps | Up to 4500 Mbps |
| EBS baseline bandwidth | 2,500 Mbps | 2,375 Mbps |
| EBS max bandwidth | 10,000 Mbps | 4,750 Mbps |
| EBS baseline throughput | 312.5 MB/s | 296.875 MB/s |
| EBS max throughput | 1,250 MB/s | 593.75 MB/s |
| EBS baseline IOPS | 12,000 | 12,000 |
| EBS max IOPS | 40,000 | 20,000 |
| Max EBS volumes | 27 | 27 |
| Instance details2 of 10 differ | c6a.2xlarge | c6g.2xlarge |
|---|---|---|
| Family | c6a | c6g |
| 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 | UEFI |
On-demand prices by region
Cheapest for c6a.2xlarge first. Linux, USD per hour.
| Region | c6a.2xlarge | c6g.2xlarge | Difference |
|---|---|---|---|
| Asia Pacific (Hyderabad)ap-south-2 | $0.187 | $0.1704 | ▼ 9% |
| Asia Pacific (Mumbai)ap-south-1 | $0.187 | $0.1704 | ▼ 9% |
| US East (N. Virginia)Used in summaryus-east-1 | $0.306 | $0.272 | ▼ 11% |
| US East (Ohio)us-east-2 | $0.306 | $0.272 | ▼ 11% |
| US West (Oregon)us-west-2 | $0.306 | $0.272 | ▼ 11% |
| EU (Ireland)eu-west-1 | $0.3283 | $0.2918 | ▼ 11% |
| Canada (Central)ca-central-1 | $0.3348 | $0.2976 | ▼ 11% |
| EU (Frankfurt)eu-central-1 | $0.3492 | $0.3104 | ▼ 11% |
| Asia Pacific (Singapore)ap-southeast-1 | $0.3528 | $0.3136 | ▼ 11% |
| EU (London)eu-west-2 | $0.3636 | $0.3232 | ▼ 11% |
| US West (N. California)us-west-1 | $0.3816 | $0.3392 | ▼ 11% |
| Asia Pacific (Tokyo)ap-northeast-1 | $0.3852 | $0.3424 | ▼ 11% |
| Asia Pacific (Hong Kong)ap-east-1 | $0.3888 | $0.344 | ▼ 12% |
| Asia Pacific (Sydney)ap-southeast-2 | $0.3996 | $0.3552 | ▼ 11% |
| South America (Sao Paulo)sa-east-1 | $0.4716 | $0.4192 | ▼ 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.