m8i.8xlargevsr8i.8xlarge
m8i.8xlarge is 24% cheaper than r8i.8xlarge on demand in US East (N. Virginia), saving $386.39 a month.
| At a glance | m8i.8xlarge | r8i.8xlarge |
|---|---|---|
| On-demand | $1.693/hr24% less | $2.223/hr |
| Lowest rate | $0.6482/hrSpot, can be interrupted | $0.6354/hr2% lessSpot, can be interrupted |
| Size | 32 vCPUs, 128 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 | m8i.8xlarge | r8i.8xlarge | r8i.8xlarge vs m8i.8xlarge |
|---|---|---|---|
| On-demandPay by the hour | $1.693 | $2.223 | ▲ 31% |
| SpotCan be interrupted | 62% off$0.6482 | 71% off$0.6354 | ▼ 2% |
| 1-yr savings planHourly commitment | 27% off$1.244 | 28% off$1.61 | ▲ 29% |
| 3-yr savings planHourly commitment | 49% off$0.8588 | 48% off$1.159 | ▲ 35% |
Key differences
The biggest lead each one has.
Where m8i.8xlarge leads
On-demand price$1.693 vs $2.223 per hour
24% cheaperWhere r8i.8xlarge leads
Memory (GiB)256 vs 128
2× higherSpecs
4 of 40 specs differ. Those are in bold.
| ComputeAll 10 match | m8i.8xlarge | r8i.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 | m8i.8xlarge | r8i.8xlarge |
|---|---|---|
| Memory (GiB) | 128 | 256 |
| NetworkingAll 8 match | m8i.8xlarge | r8i.8xlarge |
|---|---|---|
| Network | 15000 Megabit | 15000 Megabit |
| Network baseline | 15 Gbps | 15 Gbps |
| Network peak | 15 Gbps | 15 Gbps |
| Enhanced networking | Yes (ENA) | Yes (ENA) |
| EFA | No | No |
| IPv6 | Yes | Yes |
| Max network interfaces | 10 | 10 |
| IPv4 addresses per interface | 50 | 50 |
| StorageAll 11 match | m8i.8xlarge | r8i.8xlarge |
|---|---|---|
| Storage | EBS only | EBS only |
| EBS optimized | Yes | Yes |
| EBS over NVMe | Required | Required |
| EBS throughput | 10000 Mbps | 10000 Mbps |
| EBS baseline bandwidth | 10,000 Mbps | 10,000 Mbps |
| EBS max bandwidth | 10,000 Mbps | 10,000 Mbps |
| EBS baseline throughput | 1,250 MB/s | 1,250 MB/s |
| EBS max throughput | 1,250 MB/s | 1,250 MB/s |
| EBS baseline IOPS | 40,000 | 40,000 |
| EBS max IOPS | 40,000 | 40,000 |
| Max EBS volumes | 32 | 32 |
| Instance details3 of 10 differ | m8i.8xlarge | r8i.8xlarge |
|---|---|---|
| Family | m8i | r8i |
| Category | General purpose | 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 m8i.8xlarge first. Linux, USD per hour.
| Region | m8i.8xlarge | r8i.8xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $1.693 | $2.223 | ▲ 31% |
| US East (Ohio)us-east-2 | $1.693 | $2.223 | ▲ 31% |
| US West (Oregon)us-west-2 | $1.693 | $2.223 | ▲ 31% |
| Asia Pacific (Hyderabad)ap-south-2 | $1.782 | $2.293 | ▲ 29% |
| Asia Pacific (Mumbai)ap-south-1 | $1.782 | $2.293 | ▲ 29% |
| Asia Pacific (Malaysia)ap-southeast-5 | $1.799 | $2.279 | ▲ 27% |
| Canada (Central)ca-central-1 | $1.887 | $2.434 | ▲ 29% |
| Canada West (Calgary)ca-west-1 | $1.887 | $2.434 | ▲ 29% |
| EU (Ireland)eu-west-1 | $1.887 | $2.487 | ▲ 32% |
| Europe (Spain)eu-south-2 | $1.887 | $2.487 | ▲ 32% |
| EU (London)eu-west-2 | $1.958 | $2.611 | ▲ 33% |
| EU (Paris)eu-west-3 | $1.976 | $2.611 | ▲ 32% |
| US West (N. California)us-west-1 | $1.976 | $2.47 | ▲ 25% |
| EU (Frankfurt)eu-central-1 | $2.029 | $2.681 | ▲ 32% |
| Asia Pacific (Seoul)ap-northeast-2 | $2.081 | $2.681 | ▲ 29% |
| Asia Pacific (Singapore)ap-southeast-1 | $2.117 | $2.681 | ▲ 27% |
| Asia Pacific (Sydney)ap-southeast-2 | $2.117 | $2.664 | ▲ 26% |
| AWS GovCloud (US-East)us-gov-east-1 | $2.134 | $2.664 | ▲ 25% |
| AWS GovCloud (US-West)us-gov-west-1 | $2.134 | $2.664 | ▲ 25% |
| Asia Pacific (Tokyo)ap-northeast-1 | $2.187 | $2.681 | ▲ 23% |
| Asia Pacific (New Zealand)ap-southeast-6 | $2.223 | $2.797 | ▲ 26% |
| Africa (Cape Town)af-south-1 | $2.24 | $2.963 | ▲ 32% |
| South America (Sao Paulo)sa-east-1 | $2.699 | $3.546 | ▲ 31% |
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.