m8a.16xlargevsm8i.16xlarge
m8i.16xlarge is 13% cheaper than m8a.16xlarge on demand in US East (N. Virginia), saving $370.91 a month.
| At a glance | m8a.16xlarge | m8i.16xlarge |
|---|---|---|
| On-demand | $3.895/hr | $3.387/hr13% less |
| Lowest rate | $0.8559/hrSpot, can be interrupted | $0.8179/hr4% lessSpot, can be interrupted |
| Size | 64 vCPUs, 256 GiB | 64 vCPUs, 256 GiB |
| Processor | AMD EPYC 9R45 Processor | 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 | m8a.16xlarge | m8i.16xlarge | m8i.16xlarge vs m8a.16xlarge |
|---|---|---|---|
| On-demandPay by the hour | $3.895 | $3.387 | ▼ 13% |
| SpotCan be interrupted | 78% off$0.8559 | 76% off$0.8179 | ▼ 4% |
| 1-yr savings planHourly commitment | 27% off$2.862 | 27% off$2.488 | ▼ 13% |
| 3-yr savings planHourly commitment | 49% off$1.975 | 49% off$1.718 | ▼ 13% |
Key differences
The biggest lead each one has.
Where m8a.16xlarge leads
Physical cores64 vs 32
2× higherWhere m8i.16xlarge leads
On-demand price$3.387 vs $3.895 per hour
13% cheaperSpecs
8 of 40 specs differ. Those are in bold.
| Compute7 of 10 differ | m8a.16xlarge | m8i.16xlarge |
|---|---|---|
| vCPUs | 64 | 64 |
| Physical cores | 64 | 32 |
| Threads per core | 1 | 2 |
| Architecture | x86_64 | x86_64 |
| Processor | AMD EPYC 9R45 Processor | Intel Xeon Scalable (Granite Rapids) |
| CPU maker | AMD | Intel |
| Clock speed | Up to 4.5 GHz | 3.9 GHz |
| Sustained clock | 4.5 GHz | 3.9 GHz |
| Processor features | AMD Turbo; AVX; AVX2; AVX512 | Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo; Intel AMX |
| Burstable | No | No |
| MemoryAll 1 match | m8a.16xlarge | m8i.16xlarge |
|---|---|---|
| Memory (GiB) | 256 | 256 |
| NetworkingAll 8 match | m8a.16xlarge | m8i.16xlarge |
|---|---|---|
| Network | 30000 Megabit | 30000 Megabit |
| Network baseline | 30 Gbps | 30 Gbps |
| Network peak | 30 Gbps | 30 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 | m8a.16xlarge | m8i.16xlarge |
|---|---|---|
| Storage | EBS only | EBS only |
| EBS optimized | Yes | Yes |
| EBS over NVMe | Required | Required |
| EBS throughput | 20000 Mbps | 20000 Mbps |
| EBS baseline bandwidth | 20,000 Mbps | 20,000 Mbps |
| EBS max bandwidth | 20,000 Mbps | 20,000 Mbps |
| EBS baseline throughput | 2,500 MB/s | 2,500 MB/s |
| EBS max throughput | 2,500 MB/s | 2,500 MB/s |
| EBS baseline IOPS | 80,000 | 80,000 |
| EBS max IOPS | 80,000 | 80,000 |
| Max EBS volumes | 48 | 48 |
| Instance details1 of 10 differ | m8a.16xlarge | m8i.16xlarge |
|---|---|---|
| Family | m8a | m8i |
| Category | General purpose | General purpose |
| Current generation | Yes | Yes |
| Normalization factor | 128 | 128 |
| 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 m8a.16xlarge first. Linux, USD per hour.
| Region | m8a.16xlarge | m8i.16xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $3.895 | $3.387 | ▼ 13% |
| US East (Ohio)us-east-2 | $3.895 | $3.387 | ▼ 13% |
| US West (Oregon)us-west-2 | $3.895 | $3.387 | ▼ 13% |
| Asia Pacific (Hyderabad)ap-south-2 | $4.098 | $3.563 | ▼ 13% |
| Asia Pacific (Mumbai)ap-south-1 | $4.098 | $3.563 | ▼ 13% |
| EU (Ireland)eu-west-1 | $4.341 | $3.775 | ▼ 13% |
| Europe (Spain)eu-south-2 | $4.341 | $3.775 | ▼ 13% |
| EU (Frankfurt)eu-central-1 | $4.666 | $4.057 | ▼ 13% |
| AWS GovCloud (US-West)us-gov-west-1 | $4.909 | $4.269 | ▼ 13% |
| Asia Pacific (Tokyo)ap-northeast-1 | $5.031 | $4.375 | ▼ 13% |
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.