m8ib.32xlargevsr8ib.32xlarge
m8ib.32xlarge is 20% cheaper than r8ib.32xlarge on demand in US East (N. Virginia), saving $1,967.86 a month.
| At a glance | m8ib.32xlarge | r8ib.32xlarge |
|---|---|---|
| On-demand | $10.693/hr20% less | $13.389/hr |
| Lowest rate | $2.77/hr40% lessSpot, can be interrupted | $4.617/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 | m8ib.32xlarge | r8ib.32xlarge | r8ib.32xlarge vs m8ib.32xlarge |
|---|---|---|---|
| On-demandPay by the hour | $10.693 | $13.389 | ▲ 25% |
| SpotCan be interrupted | 74% off$2.77 | 66% off$4.617 | ▲ 67% |
| 1-yr savings planHourly commitment | 27% off$7.802 | 28% off$9.70 | ▲ 24% |
| 3-yr savings planHourly commitment | 56% off$4.735 | 53% off$6.247 | ▲ 32% |
Key differences
The biggest lead each one has.
Where m8ib.32xlarge leads
On-demand price$10.693 vs $13.389 per hour
20% cheaperWhere r8ib.32xlarge leads
Memory (GiB)1,024 vs 512
2× higherSpecs
3 of 40 specs differ. Those are in bold.
| ComputeAll 10 match | m8ib.32xlarge | r8ib.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 | m8ib.32xlarge | r8ib.32xlarge |
|---|---|---|
| Memory (GiB) | 512 | 1,024 |
| NetworkingAll 8 match | m8ib.32xlarge | r8ib.32xlarge |
|---|---|---|
| Network | 133.33 Gigabit | 133.33 Gigabit |
| Network baseline | 133.333 Gbps | 133.333 Gbps |
| Network peak | 133.333 Gbps | 133.333 Gbps |
| Enhanced networking | Yes (ENA) | Yes (ENA) |
| EFA | No | No |
| IPv6 | Yes | Yes |
| Max network interfaces | 16 | 16 |
| IPv4 addresses per interface | 64 | 64 |
| StorageAll 11 match | m8ib.32xlarge | r8ib.32xlarge |
|---|---|---|
| Storage | EBS only | EBS only |
| EBS optimized | Yes | Yes |
| EBS over NVMe | Required | Required |
| EBS throughput | 100000 Mbps | 100000 Mbps |
| EBS baseline bandwidth | 100,000 Mbps | 100,000 Mbps |
| EBS max bandwidth | 100,000 Mbps | 100,000 Mbps |
| EBS baseline throughput | 12,500 MB/s | 12,500 MB/s |
| EBS max throughput | 12,500 MB/s | 12,500 MB/s |
| EBS baseline IOPS | 480,000 | 480,000 |
| EBS max IOPS | 480,000 | 480,000 |
| Max EBS volumes | 88 | 88 |
| Instance details2 of 10 differ | m8ib.32xlarge | r8ib.32xlarge |
|---|---|---|
| Family | m8ib | r8ib |
| 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 m8ib.32xlarge first. Linux, USD per hour.
| Region | m8ib.32xlarge | r8ib.32xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $10.693 | $13.389 | ▲ 25% |
| US East (Ohio)us-east-2 | $10.693 | $13.389 | ▲ 25% |
| US West (Oregon)us-west-2 | $10.693 | $13.389 | ▲ 25% |
| Europe (Spain)eu-south-2 | $11.918 | $15.006 | ▲ 26% |
| EU (Ireland)eu-west-1 | $11.951 | $15.006 | ▲ 26% |
| Asia Pacific (Tokyo)ap-northeast-1 | $13.748 | $16.264 | ▲ 18% |
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.