c8gb.4xlargevsc8ib.4xlarge
c8gb.4xlarge is 13% cheaper than c8ib.4xlarge on demand in US East (N. Virginia), saving $102.64 a month. They use different processor architectures (arm64 and x86_64), so software built for one may need rebuilding to run on the other.
| At a glance | c8gb.4xlarge | c8ib.4xlarge |
|---|---|---|
| On-demand | $0.948/hr13% less | $1.089/hr |
| Lowest rate | $0.3105/hr39% lessSpot, can be interrupted | $0.5077/hrSpot, can be interrupted |
| Size | 16 vCPUs, 32 GiB | 16 vCPUs, 32 GiB |
| Processor | AWS Graviton4 Processor | Intel Xeon Scalable (Granite Rapids) |
| Architecture | arm64 | x86_64 |
Prices in US East (N. Virginia)
“Off” is the discount against each type’s own on-demand price. Linux, USD per hour.
| Option | c8gb.4xlarge | c8ib.4xlarge | c8ib.4xlarge vs c8gb.4xlarge |
|---|---|---|---|
| On-demandPay by the hour | $0.948 | $1.089 | ▲ 15% |
| SpotCan be interrupted | 67% off$0.3105 | 53% off$0.5077 | ▲ 64% |
| 1-yr savings planHourly commitment | 28% off$0.6868 | 28% off$0.7887 | ▲ 15% |
| 3-yr savings planHourly commitment | 58% off$0.3964 | 58% off$0.4552 | ▲ 15% |
Key differences
The biggest lead each one has.
Where c8gb.4xlarge leads
On-demand price$0.948 vs $1.089 per hour
13% cheaperNetwork baseline33.333 Gbps vs 16.666 Gbps
2× higherPhysical cores16 vs 8
2× higherEBS baseline bandwidth25,000 Mbps vs 12,500 Mbps
2× higherWhere c8ib.4xlarge leads
IPv4 addresses per interface50 vs 30
67% higherClock speed3.9 GHz vs 2.8 GHz
39% higherSpecs
17 of 40 specs differ. Those are in bold.
| Compute8 of 10 differ | c8gb.4xlarge | c8ib.4xlarge |
|---|---|---|
| vCPUs | 16 | 16 |
| Physical cores | 16 | 8 |
| Threads per core | 1 | 2 |
| Architecture | arm64 | x86_64 |
| Processor | AWS Graviton4 Processor | Intel Xeon Scalable (Granite Rapids) |
| CPU maker | AWS | Intel |
| Clock speed | 2.8 GHz | 3.9 GHz |
| Sustained clock | 2.8 GHz | 3.9 GHz |
| Processor features | – | Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo; Intel AMX |
| Burstable | No | No |
| MemoryAll 1 match | c8gb.4xlarge | c8ib.4xlarge |
|---|---|---|
| Memory (GiB) | 32 | 32 |
| Networking3 of 8 differ | c8gb.4xlarge | c8ib.4xlarge |
|---|---|---|
| Network | 33.333 Gigabit | Up to 33.333 Gigabit |
| Network baseline | 33.333 Gbps | 16.666 Gbps |
| Network peak | 33.333 Gbps | 33.333 Gbps |
| Enhanced networking | Yes (ENA) | Yes (ENA) |
| EFA | No | No |
| IPv6 | Yes | Yes |
| Max network interfaces | 8 | 8 |
| IPv4 addresses per interface | 30 | 50 |
| Storage4 of 11 differ | c8gb.4xlarge | c8ib.4xlarge |
|---|---|---|
| Storage | EBS only | EBS only |
| EBS optimized | Yes | Yes |
| EBS over NVMe | Required | Required |
| EBS throughput | 25000 Mbps | Up to 25000 Mbps |
| EBS baseline bandwidth | 25,000 Mbps | 12,500 Mbps |
| EBS max bandwidth | 25,000 Mbps | 25,000 Mbps |
| EBS baseline throughput | 3,125 MB/s | 1,562.5 MB/s |
| EBS max throughput | 3,125 MB/s | 3,125 MB/s |
| EBS baseline IOPS | 120,000 | 60,000 |
| EBS max IOPS | 120,000 | 120,000 |
| Max EBS volumes | 32 | 32 |
| Instance details2 of 10 differ | c8gb.4xlarge | c8ib.4xlarge |
|---|---|---|
| Family | c8gb | c8ib |
| 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 | UEFI | Legacy BIOS, UEFI |
On-demand prices by region
Cheapest for c8gb.4xlarge first. Linux, USD per hour.
| Region | c8gb.4xlarge | c8ib.4xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $0.948 | $1.089 | ▲ 15% |
| US West (Oregon)us-west-2 | $0.948 | $1.089 | ▲ 15% |
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.