c8i.12xlargevsm8i.12xlarge
c8i.12xlarge is 11% cheaper than m8i.12xlarge on demand in US East (N. Virginia), saving $212.58 a month.
| At a glance | c8i.12xlarge | m8i.12xlarge |
|---|---|---|
| On-demand | $2.249/hr11% less | $2.54/hr |
| Lowest rate | $0.6702/hr18% lessSpot, can be interrupted | $0.8156/hrSpot, can be interrupted |
| Size | 48 vCPUs, 96 GiB | 48 vCPUs, 192 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 | c8i.12xlarge | m8i.12xlarge | m8i.12xlarge vs c8i.12xlarge |
|---|---|---|---|
| On-demandPay by the hour | $2.249 | $2.54 | ▲ 13% |
| SpotCan be interrupted | 70% off$0.6702 | 68% off$0.8156 | ▲ 22% |
| 1-yr savings planHourly commitment | 28% off$1.625 | 27% off$1.866 | ▲ 15% |
| 3-yr savings planHourly commitment | 52% off$1.086 | 49% off$1.288 | ▲ 19% |
Key differences
The biggest lead each one has.
Where c8i.12xlarge leads
On-demand price$2.249 vs $2.54 per hour
11% cheaperWhere m8i.12xlarge leads
Memory (GiB)192 vs 96
2× higherSpecs
4 of 40 specs differ. Those are in bold.
| ComputeAll 10 match | c8i.12xlarge | m8i.12xlarge |
|---|---|---|
| vCPUs | 48 | 48 |
| Physical cores | 24 | 24 |
| 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 | c8i.12xlarge | m8i.12xlarge |
|---|---|---|
| Memory (GiB) | 96 | 192 |
| NetworkingAll 8 match | c8i.12xlarge | m8i.12xlarge |
|---|---|---|
| Network | 22500 Megabit | 22500 Megabit |
| Network baseline | 22.5 Gbps | 22.5 Gbps |
| Network peak | 22.5 Gbps | 22.5 Gbps |
| Enhanced networking | Yes (ENA) | Yes (ENA) |
| EFA | No | No |
| IPv6 | Yes | Yes |
| Max network interfaces | 12 | 12 |
| IPv4 addresses per interface | 50 | 50 |
| StorageAll 11 match | c8i.12xlarge | m8i.12xlarge |
|---|---|---|
| Storage | EBS only | EBS only |
| EBS optimized | Yes | Yes |
| EBS over NVMe | Required | Required |
| EBS throughput | 15000 Mbps | 15000 Mbps |
| EBS baseline bandwidth | 15,000 Mbps | 15,000 Mbps |
| EBS max bandwidth | 15,000 Mbps | 15,000 Mbps |
| EBS baseline throughput | 1,875 MB/s | 1,875 MB/s |
| EBS max throughput | 1,875 MB/s | 1,875 MB/s |
| EBS baseline IOPS | 60,000 | 60,000 |
| EBS max IOPS | 60,000 | 60,000 |
| Max EBS volumes | 32 | 32 |
| Instance details3 of 10 differ | c8i.12xlarge | m8i.12xlarge |
|---|---|---|
| Family | c8i | m8i |
| Category | Compute optimized | General purpose |
| 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 | No |
| Nitro Enclaves | Yes | Yes |
| Boot modes | Legacy BIOS, UEFI | Legacy BIOS, UEFI |
On-demand prices by region
Cheapest for c8i.12xlarge first. Linux, USD per hour.
| Region | c8i.12xlarge | m8i.12xlarge | Difference |
|---|---|---|---|
| Asia Pacific (Malaysia)ap-southeast-5 | $2.204 | $2.699 | ▲ 22% |
| Asia Pacific (Hyderabad)ap-south-2 | $2.249 | $2.672 | ▲ 19% |
| Asia Pacific (Mumbai)ap-south-1 | $2.249 | $2.672 | ▲ 19% |
| US East (N. Virginia)Used in summaryus-east-1 | $2.249 | $2.54 | ▲ 13% |
| US East (Ohio)us-east-2 | $2.249 | $2.54 | ▲ 13% |
| US West (Oregon)us-west-2 | $2.249 | $2.54 | ▲ 13% |
| Europe (Spain)eu-south-2 | $2.413 | $2.831 | ▲ 17% |
| EU (Ireland)eu-west-1 | $2.413 | $2.831 | ▲ 17% |
| Canada (Central)ca-central-1 | $2.461 | $2.831 | ▲ 15% |
| Asia Pacific (Seoul)ap-northeast-2 | $2.54 | $3.122 | ▲ 23% |
| EU (Frankfurt)eu-central-1 | $2.567 | $3.043 | ▲ 19% |
| Asia Pacific (Singapore)ap-southeast-1 | $2.593 | $3.175 | ▲ 22% |
| EU (London)eu-west-2 | $2.672 | $2.937 | ▲ 10% |
| EU (Paris)eu-west-3 | $2.672 | $2.963 | ▲ 11% |
| US West (N. California)us-west-1 | $2.805 | $2.963 | ▲ 6% |
| Asia Pacific (Tokyo)ap-northeast-1 | $2.831 | $3.281 | ▲ 16% |
| Asia Pacific (Sydney)ap-southeast-2 | $2.937 | $3.175 | ▲ 8% |
| Africa (Cape Town)af-south-1 | $3.017 | $3.361 | ▲ 11% |
| Asia Pacific (New Zealand)ap-southeast-6 | $3.084 | $3.334 | ▲ 8% |
| South America (Sao Paulo)sa-east-1 | $3.466 | $4.048 | ▲ 17% |
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.