m5.16xlargevsm5a.16xlarge
m5a.16xlarge is 10% cheaper than m5.16xlarge on demand in US East (N. Virginia), saving $233.60 a month.
| At a glance | m5.16xlarge | m5a.16xlarge |
|---|---|---|
| On-demand | $3.072/hr | $2.752/hr10% less |
| Lowest rate | $0.5537/hr9% lessSpot, can be interrupted | $0.6116/hrSpot, can be interrupted |
| Size | 64 vCPUs, 256 GiB | 64 vCPUs, 256 GiB |
| Processor | Intel Xeon Platinum 8175 | AMD EPYC 7571 |
| 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 | m5.16xlarge | m5a.16xlarge | m5a.16xlarge vs m5.16xlarge |
|---|---|---|---|
| On-demandPay by the hour | $3.072 | $2.752 | ▼ 10% |
| SpotCan be interrupted | 82% off$0.5537 | 78% off$0.6116 | ▲ 10% |
| 1-yr reservedNo upfront | 37% off$1.935 | 37% off$1.734 | ▼ 10% |
| 3-yr reservedNo upfront | 57% off$1.327 | 57% off$1.189 | ▼ 10% |
| 1-yr savings planHourly commitment | 27% off$2.257 | 27% off$2.014 | ▼ 11% |
| 3-yr savings planHourly commitment | 49% off$1.558 | 49% off$1.391 | ▼ 11% |
Key differences
The biggest lead each one has.
Where m5.16xlarge leads
Network baseline20 Gbps vs 12 Gbps
67% higherEBS baseline IOPS60,000 vs 40,000
50% higherClock speed3.1 GHz vs 2.5 GHz
24% higherWhere m5a.16xlarge leads
On-demand price$2.752 vs $3.072 per hour
10% cheaperSpecs
17 of 41 specs differ. Those are in bold.
| Compute6 of 11 differ | m5.16xlarge | m5a.16xlarge |
|---|---|---|
| vCPUs | 64 | 64 |
| Physical cores | 32 | 32 |
| Threads per core | 2 | 2 |
| Architecture | x86_64 | x86_64 |
| Processor | Intel Xeon Platinum 8175 | AMD EPYC 7571 |
| CPU maker | Intel | AMD |
| Clock speed | 3.1 GHz | 2.5 GHz |
| Sustained clock | 3.1 GHz | 2.5 GHz |
| Processor features | Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo | AVX; AVX2; AMD Turbo |
| Burstable | No | No |
| ECU | 256 | – |
| MemoryAll 1 match | m5.16xlarge | m5a.16xlarge |
|---|---|---|
| Memory (GiB) | 256 | 256 |
| Networking3 of 8 differ | m5.16xlarge | m5a.16xlarge |
|---|---|---|
| Network | 20 Gigabit | 12 Gigabit |
| Network baseline | 20 Gbps | 12 Gbps |
| Network peak | 20 Gbps | 12 Gbps |
| Enhanced networking | Yes (ENA) | Yes (ENA) |
| EFA | No | No |
| IPv6 | Yes | Yes |
| Max network interfaces | 15 | 15 |
| IPv4 addresses per interface | 50 | 50 |
| Storage7 of 11 differ | m5.16xlarge | m5a.16xlarge |
|---|---|---|
| Storage | EBS only | EBS only |
| EBS optimized | Yes | Yes |
| EBS over NVMe | Required | Required |
| EBS throughput | 10000 Mbps | 7000 Mbps |
| EBS baseline bandwidth | 13,600 Mbps | 9,500 Mbps |
| EBS max bandwidth | 13,600 Mbps | 9,500 Mbps |
| EBS baseline throughput | 1,700 MB/s | 1,187.5 MB/s |
| EBS max throughput | 1,700 MB/s | 1,187.5 MB/s |
| EBS baseline IOPS | 60,000 | 40,000 |
| EBS max IOPS | 60,000 | 40,000 |
| Max EBS volumes | 27 | 27 |
| Instance details1 of 10 differ | m5.16xlarge | m5a.16xlarge |
|---|---|---|
| Family | m5 | m5a |
| 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 m5.16xlarge first. Linux, USD per hour.
| Region | m5.16xlarge | m5a.16xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $3.072 | $2.752 | ▼ 10% |
| US East (Ohio)us-east-2 | $3.072 | $2.752 | ▼ 10% |
| US West (Oregon)us-west-2 | $3.072 | $2.752 | ▼ 10% |
| Asia Pacific (Mumbai)ap-south-1 | $3.232 | $1.778 | ▼ 45% |
| Canada (Central)ca-central-1 | $3.424 | $3.072 | ▼ 10% |
| EU (Ireland)eu-west-1 | $3.424 | $3.072 | ▼ 10% |
| EU (London)eu-west-2 | $3.552 | $3.20 | ▼ 10% |
| EU (Milan)eu-south-1 | $3.584 | $3.232 | ▼ 10% |
| EU (Paris)eu-west-3 | $3.584 | $3.232 | ▼ 10% |
| US West (N. California)us-west-1 | $3.584 | $3.232 | ▼ 10% |
| EU (Frankfurt)eu-central-1 | $3.68 | $3.328 | ▼ 10% |
| Asia Pacific (Seoul)ap-northeast-2 | $3.776 | $3.392 | ▼ 10% |
| Asia Pacific (Singapore)ap-southeast-1 | $3.84 | $3.456 | ▼ 10% |
| Asia Pacific (Sydney)ap-southeast-2 | $3.84 | $3.456 | ▼ 10% |
| AWS GovCloud (US-East)us-gov-east-1 | $3.872 | $3.488 | ▼ 10% |
| AWS GovCloud (US-West)us-gov-west-1 | $3.872 | $3.488 | ▼ 10% |
| Asia Pacific (Tokyo)ap-northeast-1 | $3.968 | $3.584 | ▼ 10% |
| South America (Sao Paulo)sa-east-1 | $4.896 | $4.416 | ▼ 10% |
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.