c8g.12xlargevsc9g.12xlarge
c8g.12xlarge is 8% cheaper than c9g.12xlarge on demand in US East (N. Virginia), saving $125.85 a month.
| At a glance | c8g.12xlarge | c9g.12xlarge |
|---|---|---|
| On-demand | $1.914/hr8% less | $2.087/hr |
| Lowest rate | $0.5118/hr13% lessSpot, can be interrupted | $0.5896/hrSpot, can be interrupted |
| Size | 48 vCPUs, 96 GiB | 48 vCPUs, 96 GiB |
| Processor | AWS Graviton4 Processor | AWS Graviton5 Processor |
| Architecture | arm64 | arm64 |
Prices in US East (N. Virginia)
“Off” is the discount against each type’s own on-demand price. Linux, USD per hour.
| Option | c8g.12xlarge | c9g.12xlarge | c9g.12xlarge vs c8g.12xlarge |
|---|---|---|---|
| On-demandPay by the hour | $1.914 | $2.087 | ▲ 9% |
| SpotCan be interrupted | 73% off$0.5118 | 72% off$0.5896 | ▲ 15% |
| 1-yr reservedNo upfront | 34% off$1.261 | — | — |
| 3-yr reservedNo upfront | 56% off$0.8412 | — | — |
| 1-yr savings planHourly commitment | 28% off$1.372 | 28% off$1.496 | ▲ 9% |
| 3-yr savings planHourly commitment | 52% off$0.9268 | 52% off$1.01 | ▲ 9% |
Key differences
The biggest lead each one has.
Where c8g.12xlarge leads
On-demand price$1.914 vs $2.087 per hour
8% cheaperWhere c9g.12xlarge leads
IPv4 addresses per interface50 vs 30
67% higherClock speed3.3 GHz vs 2.7 GHz
22% higherEBS baseline bandwidth18,000 Mbps vs 15,000 Mbps
20% higherSpecs
16 of 39 specs differ. Those are in bold.
| Compute3 of 9 differ | c8g.12xlarge | c9g.12xlarge |
|---|---|---|
| vCPUs | 48 | 48 |
| Physical cores | 48 | 48 |
| Threads per core | 1 | 1 |
| Architecture | arm64 | arm64 |
| Processor | AWS Graviton4 Processor | AWS Graviton5 Processor |
| CPU maker | AWS | AWS |
| Clock speed | 2.7 GHz | 3.3 GHz |
| Sustained clock | 2.8 GHz | 3.3 GHz |
| Burstable | No | No |
| MemoryAll 1 match | c8g.12xlarge | c9g.12xlarge |
|---|---|---|
| Memory (GiB) | 96 | 96 |
| Networking5 of 8 differ | c8g.12xlarge | c9g.12xlarge |
|---|---|---|
| Network | 22.5 Gigabit | 25 Gigabit |
| Network baseline | 22.5 Gbps | 25 Gbps |
| Network peak | 22.5 Gbps | 25 Gbps |
| Enhanced networking | Yes (ENA) | Yes (ENA) |
| EFA | No | No |
| IPv6 | Yes | Yes |
| Max network interfaces | 8 | 12 |
| IPv4 addresses per interface | 30 | 50 |
| Storage7 of 11 differ | c8g.12xlarge | c9g.12xlarge |
|---|---|---|
| Storage | EBS only | EBS only |
| EBS optimized | Yes | Yes |
| EBS over NVMe | Required | Required |
| EBS throughput | 15000 Mbps | 18000 Mbps |
| EBS baseline bandwidth | 15,000 Mbps | 18,000 Mbps |
| EBS max bandwidth | 15,000 Mbps | 18,000 Mbps |
| EBS baseline throughput | 1,875 MB/s | 2,250 MB/s |
| EBS max throughput | 1,875 MB/s | 2,250 MB/s |
| EBS baseline IOPS | 60,000 | 72,000 |
| EBS max IOPS | 60,000 | 72,000 |
| Max EBS volumes | 32 | 32 |
| Instance details1 of 10 differ | c8g.12xlarge | c9g.12xlarge |
|---|---|---|
| Family | c8g | c9g |
| Category | Compute optimized | Compute optimized |
| Current generation | Yes | Yes |
| Normalization factor | 96 | 96 |
| Bare metal | No | No |
| Hypervisor | Nitro | Nitro |
| Placement groups | Cluster, Partition, Spread | Cluster, Partition, Spread |
| Hibernation | Yes | Yes |
| Nitro Enclaves | Yes | Yes |
| Boot modes | UEFI | UEFI |
On-demand prices by region
Cheapest for c8g.12xlarge first. Linux, USD per hour.
| Region | c8g.12xlarge | c9g.12xlarge | Difference |
|---|---|---|---|
| Asia Pacific (Malaysia)ap-southeast-5 | $1.869 | $2.037 | ▲ 9% |
| US East (Ohio)us-east-2 | $1.907 | $2.079 | ▲ 9% |
| US East (N. Virginia)Used in summaryus-east-1 | $1.914 | $2.087 | ▲ 9% |
| US West (Oregon)us-west-2 | $1.914 | $2.087 | ▲ 9% |
| Asia Pacific (Seoul)ap-northeast-2 | $2.154 | $2.348 | ▲ 9% |
| EU (Frankfurt)eu-central-1 | $2.177 | $2.373 | ▲ 9% |
| Asia Pacific (Singapore)ap-southeast-1 | $2.199 | $2.397 | ▲ 9% |
| Asia Pacific (Tokyo)ap-northeast-1 | $2.401 | $2.617 | ▲ 9% |
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.