m8i.32xlargevsr8i.32xlarge
m8i.32xlarge is 24% cheaper than r8i.32xlarge on demand in US East (N. Virginia), saving $1,545.48 a month.
| At a glance | m8i.32xlarge | r8i.32xlarge |
|---|---|---|
| On-demand | $6.774/hr24% less | $8.891/hr |
| Lowest rate | $1.55/hr9% lessSpot, can be interrupted | $1.696/hrSpot, can be interrupted |
| Size | 128 vCPUs, 512 GiB | 128 vCPUs, 1024 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.32xlarge | r8i.32xlarge | r8i.32xlarge vs m8i.32xlarge |
|---|---|---|---|
| On-demandPay by the hour | $6.774 | $8.891 | ▲ 31% |
| SpotCan be interrupted | 77% off$1.55 | 81% off$1.696 | ▲ 9% |
| 1-yr savings planHourly commitment | 27% off$4.977 | 28% off$6.441 | ▲ 29% |
| 3-yr savings planHourly commitment | 49% off$3.435 | 48% off$4.638 | ▲ 35% |
Key differences
The biggest lead each one has.
Where m8i.32xlarge leads
On-demand price$6.774 vs $8.891 per hour
24% cheaperWhere r8i.32xlarge leads
Memory (GiB)1,024 vs 512
2× higherSpecs
3 of 40 specs differ. Those are in bold.
| ComputeAll 10 match | m8i.32xlarge | r8i.32xlarge |
|---|---|---|
| vCPUs | 128 | 128 |
| Physical cores | 64 | 64 |
| 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.32xlarge | r8i.32xlarge |
|---|---|---|
| Memory (GiB) | 512 | 1,024 |
| NetworkingAll 8 match | m8i.32xlarge | r8i.32xlarge |
|---|---|---|
| Network | 50000 Megabit | 50000 Megabit |
| Network baseline | 50 Gbps | 50 Gbps |
| Network peak | 50 Gbps | 50 Gbps |
| Enhanced networking | Yes (ENA) | Yes (ENA) |
| EFA | No | No |
| IPv6 | Yes | Yes |
| Max network interfaces | 24 | 24 |
| IPv4 addresses per interface | 64 | 64 |
| StorageAll 11 match | m8i.32xlarge | r8i.32xlarge |
|---|---|---|
| Storage | EBS only | EBS only |
| EBS optimized | Yes | Yes |
| EBS over NVMe | Required | Required |
| EBS throughput | 40000 Mbps | 40000 Mbps |
| EBS baseline bandwidth | 40,000 Mbps | 40,000 Mbps |
| EBS max bandwidth | 40,000 Mbps | 40,000 Mbps |
| EBS baseline throughput | 5,000 MB/s | 5,000 MB/s |
| EBS max throughput | 5,000 MB/s | 5,000 MB/s |
| EBS baseline IOPS | 160,000 | 160,000 |
| EBS max IOPS | 160,000 | 160,000 |
| Max EBS volumes | 88 | 88 |
| Instance details2 of 10 differ | m8i.32xlarge | r8i.32xlarge |
|---|---|---|
| Family | m8i | r8i |
| Category | General purpose | Memory optimized |
| Current generation | Yes | Yes |
| Normalization factor | 256 | 256 |
| Bare metal | No | No |
| Hypervisor | Nitro | Nitro |
| Placement groups | Cluster, Partition, Spread | Cluster, Partition, Spread |
| Hibernation | No | No |
| Nitro Enclaves | Yes | Yes |
| Boot modes | Legacy BIOS, UEFI | Legacy BIOS, UEFI |
On-demand prices by region
Cheapest for m8i.32xlarge first. Linux, USD per hour.
| Region | m8i.32xlarge | r8i.32xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $6.774 | $8.891 | ▲ 31% |
| US East (Ohio)us-east-2 | $6.774 | $8.891 | ▲ 31% |
| US West (Oregon)us-west-2 | $6.774 | $8.891 | ▲ 31% |
| Asia Pacific (Hyderabad)ap-south-2 | $7.126 | $9.173 | ▲ 29% |
| Asia Pacific (Mumbai)ap-south-1 | $7.126 | $9.173 | ▲ 29% |
| Asia Pacific (Malaysia)ap-southeast-5 | $7.197 | $9.116 | ▲ 27% |
| Canada (Central)ca-central-1 | $7.55 | $9.738 | ▲ 29% |
| Canada West (Calgary)ca-west-1 | $7.55 | $9.738 | ▲ 29% |
| EU (Ireland)eu-west-1 | $7.55 | $9.949 | ▲ 32% |
| Europe (Spain)eu-south-2 | $7.55 | $9.949 | ▲ 32% |
| EU (London)eu-west-2 | $7.832 | $10.443 | ▲ 33% |
| EU (Paris)eu-west-3 | $7.903 | $10.443 | ▲ 32% |
| US West (N. California)us-west-1 | $7.903 | $9.878 | ▲ 25% |
| EU (Frankfurt)eu-central-1 | $8.115 | $10.725 | ▲ 32% |
| Asia Pacific (Seoul)ap-northeast-2 | $8.326 | $10.725 | ▲ 29% |
| Asia Pacific (Singapore)ap-southeast-1 | $8.467 | $10.725 | ▲ 27% |
| Asia Pacific (Sydney)ap-southeast-2 | $8.467 | $10.655 | ▲ 26% |
| AWS GovCloud (US-East)us-gov-east-1 | $8.538 | $10.655 | ▲ 25% |
| AWS GovCloud (US-West)us-gov-west-1 | $8.538 | $10.655 | ▲ 25% |
| Asia Pacific (Tokyo)ap-northeast-1 | $8.749 | $10.725 | ▲ 23% |
| Asia Pacific (New Zealand)ap-southeast-6 | $8.891 | $11.187 | ▲ 26% |
| Africa (Cape Town)af-south-1 | $8.961 | $11.854 | ▲ 32% |
| South America (Sao Paulo)sa-east-1 | $10.796 | $14.182 | ▲ 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.