c7a.4xlargevsc7g.4xlarge
c7g.4xlarge is 29% cheaper than c7a.4xlarge on demand in US East (N. Virginia), saving $176.00 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.4xlarge | c7g.4xlarge |
|---|---|---|
| On-demand | $0.8211/hr | $0.58/hr29% less |
| Lowest rate | $0.2777/hrSpot, can be interrupted | $0.2424/hr13% lessSpot, can be interrupted |
| Size | 16 vCPUs, 32 GiB | 16 vCPUs, 32 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.4xlarge | c7g.4xlarge | c7g.4xlarge vs c7a.4xlarge |
|---|---|---|---|
| On-demandPay by the hour | $0.8211 | $0.58 | ▼ 29% |
| SpotCan be interrupted | 66% off$0.2777 | 58% off$0.2424 | ▼ 13% |
| 1-yr reservedNo upfront | 34% off$0.5432 | 34% off$0.3822 | ▼ 30% |
| 3-yr reservedNo upfront | 56% off$0.3615 | 56% off$0.2549 | ▼ 29% |
| 1-yr savings planHourly commitment | 28% off$0.5934 | 28% off$0.4158 | ▼ 30% |
| 3-yr savings planHourly commitment | 52% off$0.3965 | 52% off$0.2808 | ▼ 29% |
Key differences
The biggest lead each one has.
Where c7a.4xlarge leads
Clock speedUp to 3.7 GHz vs 2.5 GHz
48% higherMax EBS volumes32 vs 27
19% higherWhere c7g.4xlarge leads
On-demand price$0.58 vs $0.8211 per hour
29% cheaperNetwork baseline7.5 Gbps vs 6.25 Gbps
20% higherSpecs
12 of 40 specs differ. Those are in bold.
| Compute6 of 10 differ | c7a.4xlarge | c7g.4xlarge |
|---|---|---|
| vCPUs | 16 | 16 |
| Physical cores | 16 | 16 |
| 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.4xlarge | c7g.4xlarge |
|---|---|---|
| Memory (GiB) | 32 | 32 |
| Networking3 of 8 differ | c7a.4xlarge | c7g.4xlarge |
|---|---|---|
| Network | Up to 12500 Megabit | Up to 15 Gigabit |
| Network baseline | 6.25 Gbps | 7.5 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.4xlarge | c7g.4xlarge |
|---|---|---|
| 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 | 5,000 Mbps | 5,000 Mbps |
| EBS max bandwidth | 10,000 Mbps | 10,000 Mbps |
| EBS baseline throughput | 625 MB/s | 625 MB/s |
| EBS max throughput | 1,250 MB/s | 1,250 MB/s |
| EBS baseline IOPS | 20,000 | 20,000 |
| EBS max IOPS | 40,000 | 40,000 |
| Max EBS volumes | 32 | 27 |
| Instance details2 of 10 differ | c7a.4xlarge | c7g.4xlarge |
|---|---|---|
| Family | c7a | c7g |
| Category | Compute optimized | Compute optimized |
| Current generation | Yes | Yes |
| Normalization factor | 32 | 32 |
| 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.4xlarge first. Linux, USD per hour.
| Region | c7a.4xlarge | c7g.4xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $0.8211 | $0.58 | ▼ 29% |
| US East (Ohio)us-east-2 | $0.8211 | $0.5781 | ▼ 30% |
| US West (Oregon)us-west-2 | $0.8211 | $0.58 | ▼ 29% |
| EU (Stockholm)eu-north-1 | $0.879 | $0.6189 | ▼ 30% |
| Europe (Spain)eu-south-2 | $0.8808 | $0.62 | ▼ 30% |
| EU (Ireland)eu-west-1 | $0.881 | $0.6202 | ▼ 30% |
| EU (Frankfurt)eu-central-1 | $0.937 | $0.6596 | ▼ 30% |
| Asia Pacific (Singapore)ap-southeast-1 | $0.9467 | $0.6664 | ▼ 30% |
| EU (London)eu-west-2 | $0.9757 | $0.6869 | ▼ 30% |
| US West (N. California)us-west-1 | $1.024 | $0.7208 | ▼ 30% |
| Asia Pacific (Tokyo)ap-northeast-1 | $1.034 | $0.7277 | ▼ 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.