c8ib.8xlargevsr8ib.8xlarge
c8ib.8xlarge is 35% cheaper than r8ib.8xlarge on demand in US East (N. Virginia), saving $854.03 a month.
| At a glance | c8ib.8xlarge | r8ib.8xlarge |
|---|---|---|
| On-demand | $2.177/hr35% less | $3.347/hr |
| Lowest rate | $0.867/hr18% lessSpot, can be interrupted | $1.056/hrSpot, can be interrupted |
| Size | 32 vCPUs, 64 GiB | 32 vCPUs, 256 GiB |
| Processor | Intel Xeon Scalable (Granite Rapids) | Intel Xeon Scalable (Granite Rapids) |
| Architecture | x86_64 | 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 | c8ib.8xlarge | r8ib.8xlarge | r8ib.8xlarge vs c8ib.8xlarge |
|---|---|---|---|
| On-demandPay by the hour | $2.177 | $3.347 | ▲ 54% |
| SpotCan be interrupted | 60% off$0.867 | 68% off$1.056 | ▲ 22% |
| 1-yr savings planHourly commitment | 28% off$1.577 | 28% off$2.425 | ▲ 54% |
| 3-yr savings planHourly commitment | 58% off$0.9105 | 53% off$1.562 | ▲ 72% |
Key differences
The biggest lead each one has.
Where c8ib.8xlarge leads
On-demand price$2.177 vs $3.347 per hour
35% cheaperWhere r8ib.8xlarge leads
Memory (GiB)256 vs 64
4× higherSpecs
5 of 40 specs differ. Those are in bold.
| ComputeAll 10 match | c8ib.8xlarge | r8ib.8xlarge |
|---|---|---|
| vCPUs | 32 | 32 |
| Physical cores | 16 | 16 |
| Threads per core | 2 | 2 |
| Architecture | x86_64 | x86_64 |
| Processor | Intel Xeon Scalable (Granite Rapids) | Intel Xeon Scalable (Granite Rapids) |
| CPU maker | Intel | Intel |
| Clock speed | 3.9 GHz | 3.9 GHz |
| Sustained clock | 3.9 GHz | 3.9 GHz |
| Processor features | Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo; Intel AMX | Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo; Intel AMX |
| Burstable | No | No |
| Memory1 of 1 differ | c8ib.8xlarge | r8ib.8xlarge |
|---|---|---|
| Memory (GiB) | 64 | 256 |
| Networking1 of 8 differ | c8ib.8xlarge | r8ib.8xlarge |
|---|---|---|
| Network | 33.333 Gigabit | 33.33 Gigabit |
| Network baseline | 33.333 Gbps | 33.333 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 | 50 | 50 |
| StorageAll 11 match | c8ib.8xlarge | r8ib.8xlarge |
|---|---|---|
| Storage | EBS only | EBS only |
| EBS optimized | Yes | Yes |
| EBS over NVMe | Required | Required |
| EBS throughput | 25000 Mbps | 25000 Mbps |
| EBS baseline bandwidth | 25,000 Mbps | 25,000 Mbps |
| EBS max bandwidth | 25,000 Mbps | 25,000 Mbps |
| EBS baseline throughput | 3,125 MB/s | 3,125 MB/s |
| EBS max throughput | 3,125 MB/s | 3,125 MB/s |
| EBS baseline IOPS | 120,000 | 120,000 |
| EBS max IOPS | 120,000 | 120,000 |
| Max EBS volumes | 32 | 32 |
| Instance details3 of 10 differ | c8ib.8xlarge | r8ib.8xlarge |
|---|---|---|
| Family | c8ib | r8ib |
| Category | Compute optimized | Memory 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 | No |
| Nitro Enclaves | Yes | Yes |
| Boot modes | Legacy BIOS, UEFI | Legacy BIOS, UEFI |
On-demand prices by region
Cheapest for c8ib.8xlarge first. Linux, USD per hour.
| Region | c8ib.8xlarge | r8ib.8xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $2.177 | $3.347 | ▲ 54% |
| US West (Oregon)us-west-2 | $2.177 | $3.347 | ▲ 54% |
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.