m8g.16xlargevsm8i.16xlarge
m8g.16xlarge is 15% cheaper than m8i.16xlarge on demand in US East (N. Virginia), saving $375.66 a month. They use different processor architectures (arm64 and x86_64), so software built for one may need rebuilding to run on the other.
| At a glance | m8g.16xlarge | m8i.16xlarge |
|---|---|---|
| On-demand | $2.872/hr15% less | $3.387/hr |
| Lowest rate | $0.7971/hr3% lessSpot, can be interrupted | $0.8179/hrSpot, can be interrupted |
| Size | 64 vCPUs, 256 GiB | 64 vCPUs, 256 GiB |
| Processor | AWS Graviton4 Processor | Intel Xeon Scalable (Granite Rapids) |
| Architecture | arm64 | 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 | m8g.16xlarge | m8i.16xlarge | m8i.16xlarge vs m8g.16xlarge |
|---|---|---|---|
| On-demandPay by the hour | $2.872 | $3.387 | ▲ 18% |
| SpotCan be interrupted | 72% off$0.7971 | 76% off$0.8179 | ▲ 3% |
| 1-yr reservedNo upfront | 34% off$1.90 | — | — |
| 3-yr reservedNo upfront | 55% off$1.303 | — | — |
| 1-yr savings planHourly commitment | 27% off$2.11 | 27% off$2.488 | ▲ 18% |
| 3-yr savings planHourly commitment | 49% off$1.457 | 49% off$1.718 | ▲ 18% |
Key differences
The biggest lead each one has.
Where m8g.16xlarge leads
On-demand price$2.872 vs $3.387 per hour
15% cheaperPhysical cores64 vs 32
2× higherWhere m8i.16xlarge leads
Clock speed3.9 GHz vs 2.7 GHz
44% higherIPv4 addresses per interface64 vs 50
28% higherSpecs
13 of 40 specs differ. Those are in bold.
| Compute8 of 10 differ | m8g.16xlarge | m8i.16xlarge |
|---|---|---|
| vCPUs | 64 | 64 |
| Physical cores | 64 | 32 |
| Threads per core | 1 | 2 |
| Architecture | arm64 | x86_64 |
| Processor | AWS Graviton4 Processor | Intel Xeon Scalable (Granite Rapids) |
| CPU maker | AWS | Intel |
| Clock speed | 2.7 GHz | 3.9 GHz |
| Sustained clock | 2.8 GHz | 3.9 GHz |
| Processor features | – | Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo; Intel AMX |
| Burstable | No | No |
| MemoryAll 1 match | m8g.16xlarge | m8i.16xlarge |
|---|---|---|
| Memory (GiB) | 256 | 256 |
| Networking3 of 8 differ | m8g.16xlarge | m8i.16xlarge |
|---|---|---|
| Network | 30 Gigabit | 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 | 15 | 16 |
| IPv4 addresses per interface | 50 | 64 |
| StorageAll 11 match | m8g.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 details2 of 10 differ | m8g.16xlarge | m8i.16xlarge |
|---|---|---|
| Family | m8g | 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 | UEFI | Legacy BIOS, UEFI |
On-demand prices by region
Cheapest for m8g.16xlarge first. Linux, USD per hour.
| Region | m8g.16xlarge | m8i.16xlarge | Difference |
|---|---|---|---|
| Asia Pacific (Hyderabad)ap-south-2 | $2.053 | $3.563 | ▲ 74% |
| Asia Pacific (Mumbai)ap-south-1 | $2.053 | $3.563 | ▲ 74% |
| US East (N. Virginia)Used in summaryus-east-1 | $2.872 | $3.387 | ▲ 18% |
| US East (Ohio)us-east-2 | $2.872 | $3.387 | ▲ 18% |
| US West (Oregon)us-west-2 | $2.872 | $3.387 | ▲ 18% |
| Asia Pacific (Malaysia)ap-southeast-5 | $3.052 | $3.598 | ▲ 18% |
| Europe (Spain)eu-south-2 | $3.199 | $3.775 | ▲ 18% |
| EU (Ireland)eu-west-1 | $3.201 | $3.775 | ▲ 18% |
| Canada (Central)ca-central-1 | $3.202 | $3.775 | ▲ 18% |
| Canada West (Calgary)ca-west-1 | $3.202 | $3.775 | ▲ 18% |
| EU (London)eu-west-2 | $3.322 | $3.916 | ▲ 18% |
| EU (Paris)eu-west-3 | $3.351 | $3.951 | ▲ 18% |
| US West (N. California)us-west-1 | $3.351 | $3.951 | ▲ 18% |
| EU (Frankfurt)eu-central-1 | $3.441 | $4.057 | ▲ 18% |
| Asia Pacific (Seoul)ap-northeast-2 | $3.531 | $4.163 | ▲ 18% |
| Asia Pacific (Singapore)ap-southeast-1 | $3.59 | $4.234 | ▲ 18% |
| Asia Pacific (Sydney)ap-southeast-2 | $3.59 | $4.234 | ▲ 18% |
| AWS GovCloud (US-East)us-gov-east-1 | $3.619 | $4.269 | ▲ 18% |
| AWS GovCloud (US-West)us-gov-west-1 | $3.62 | $4.269 | ▲ 18% |
| Asia Pacific (Tokyo)ap-northeast-1 | $3.71 | $4.375 | ▲ 18% |
| Africa (Cape Town)af-south-1 | $3.80 | $4.481 | ▲ 18% |
| South America (Sao Paulo)sa-east-1 | $4.578 | $5.398 | ▲ 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.