c7a.8xlargevsc7g.8xlarge
c7g.8xlarge is 29% cheaper than c7a.8xlarge on demand in US East (N. Virginia), saving $352.01 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 | c7a.8xlarge | c7g.8xlarge |
|---|---|---|
| On-demand | $1.642/hr | $1.16/hr29% less |
| Lowest rate | $0.4867/hrSpot, can be interrupted | $0.4043/hr17% lessSpot, can be interrupted |
| Size | 32 vCPUs, 64 GiB | 32 vCPUs, 64 GiB |
| Processor | AMD EPYC 9R14 Processor | AWS Graviton3 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 | c7a.8xlarge | c7g.8xlarge | c7g.8xlarge vs c7a.8xlarge |
|---|---|---|---|
| On-demandPay by the hour | $1.642 | $1.16 | ▼ 29% |
| SpotCan be interrupted | 70% off$0.4867 | 65% off$0.4043 | ▼ 17% |
| 1-yr reservedNo upfront | 34% off$1.086 | 34% off$0.7644 | ▼ 30% |
| 3-yr reservedNo upfront | 56% off$0.723 | 56% off$0.5098 | ▼ 29% |
| 1-yr savings planHourly commitment | 28% off$1.187 | 28% off$0.8316 | ▼ 30% |
| 3-yr savings planHourly commitment | 52% off$0.7929 | 52% off$0.5616 | ▼ 29% |
Key differences
The biggest lead each one has.
Where c7a.8xlarge leads
Clock speedUp to 3.7 GHz vs 2.5 GHz
48% higherMax EBS volumes32 vs 27
19% higherWhere c7g.8xlarge leads
On-demand price$1.16 vs $1.642 per hour
29% cheaperNetwork baseline15 Gbps vs 12.5 Gbps
20% higherSpecs
12 of 40 specs differ. Those are in bold.
| Compute6 of 10 differ | c7a.8xlarge | c7g.8xlarge |
|---|---|---|
| vCPUs | 32 | 32 |
| Physical cores | 32 | 32 |
| Threads per core | 1 | 1 |
| Architecture | x86_64 | arm64 |
| Processor | AMD EPYC 9R14 Processor | AWS Graviton3 Processor |
| CPU maker | AMD | AWS |
| Clock speed | Up to 3.7 GHz | 2.5 GHz |
| Sustained clock | 3.7 GHz | 2.6 GHz |
| Processor features | AMD Turbo; AVX; AVX2; AVX512 | – |
| Burstable | No | No |
| MemoryAll 1 match | c7a.8xlarge | c7g.8xlarge |
|---|---|---|
| Memory (GiB) | 64 | 64 |
| Networking3 of 8 differ | c7a.8xlarge | c7g.8xlarge |
|---|---|---|
| Network | 12500 Megabit | 15 Gigabit |
| Network baseline | 12.5 Gbps | 15 Gbps |
| Network peak | 12.5 Gbps | 15 Gbps |
| Enhanced networking | Yes (ENA) | Yes (ENA) |
| EFA | No | No |
| IPv6 | Yes | Yes |
| Max network interfaces | 8 | 8 |
| IPv4 addresses per interface | 30 | 30 |
| Storage1 of 11 differ | c7a.8xlarge | c7g.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 | 27 |
| Instance details2 of 10 differ | c7a.8xlarge | c7g.8xlarge |
|---|---|---|
| Family | c7a | c7g |
| 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 | UEFI |
On-demand prices by region
Cheapest for c7a.8xlarge first. Linux, USD per hour.
| Region | c7a.8xlarge | c7g.8xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $1.642 | $1.16 | ▼ 29% |
| US East (Ohio)us-east-2 | $1.642 | $1.156 | ▼ 30% |
| US West (Oregon)us-west-2 | $1.642 | $1.16 | ▼ 29% |
| EU (Stockholm)eu-north-1 | $1.758 | $1.238 | ▼ 30% |
| Europe (Spain)eu-south-2 | $1.762 | $1.24 | ▼ 30% |
| EU (Ireland)eu-west-1 | $1.762 | $1.24 | ▼ 30% |
| EU (Frankfurt)eu-central-1 | $1.874 | $1.319 | ▼ 30% |
| Asia Pacific (Singapore)ap-southeast-1 | $1.893 | $1.333 | ▼ 30% |
| EU (London)eu-west-2 | $1.951 | $1.374 | ▼ 30% |
| US West (N. California)us-west-1 | $2.048 | $1.442 | ▼ 30% |
| Asia Pacific (Tokyo)ap-northeast-1 | $2.067 | $1.455 | ▼ 30% |
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.