m5a.16xlargevsr5a.16xlarge
m5a.16xlarge is 24% cheaper than r5a.16xlarge on demand in US East (N. Virginia), saving $630.72 a month.
| At a glance | m5a.16xlarge | r5a.16xlarge |
|---|---|---|
| On-demand | $2.752/hr24% less | $3.616/hr |
| Lowest rate | $0.6116/hr44% lessSpot, can be interrupted | $1.092/hrSpot, can be interrupted |
| Size | 64 vCPUs, 256 GiB | 64 vCPUs, 512 GiB |
| Processor | AMD EPYC 7571 | 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 | m5a.16xlarge | r5a.16xlarge | r5a.16xlarge vs m5a.16xlarge |
|---|---|---|---|
| On-demandPay by the hour | $2.752 | $3.616 | ▲ 31% |
| SpotCan be interrupted | 78% off$0.6116 | 70% off$1.092 | ▲ 79% |
| 1-yr reservedNo upfront | 37% off$1.734 | 37% off$2.278 | ▲ 31% |
| 3-yr reservedNo upfront | 57% off$1.189 | 57% off$1.562 | ▲ 31% |
| 1-yr savings planHourly commitment | 27% off$2.014 | 27% off$2.627 | ▲ 30% |
| 3-yr savings planHourly commitment | 49% off$1.391 | 48% off$1.886 | ▲ 36% |
Key differences
The biggest lead each one has.
Where m5a.16xlarge leads
On-demand price$2.752 vs $3.616 per hour
24% cheaperWhere r5a.16xlarge leads
Memory (GiB)512 vs 256
2× higherSpecs
3 of 40 specs differ. Those are in bold.
| ComputeAll 10 match | m5a.16xlarge | r5a.16xlarge |
|---|---|---|
| vCPUs | 64 | 64 |
| Physical cores | 32 | 32 |
| Threads per core | 2 | 2 |
| Architecture | x86_64 | x86_64 |
| Processor | AMD EPYC 7571 | AMD EPYC 7571 |
| CPU maker | AMD | AMD |
| Clock speed | 2.5 GHz | 2.5 GHz |
| Sustained clock | 2.5 GHz | 2.5 GHz |
| Processor features | AVX; AVX2; AMD Turbo | AVX; AVX2; AMD Turbo |
| Burstable | No | No |
| Memory1 of 1 differ | m5a.16xlarge | r5a.16xlarge |
|---|---|---|
| Memory (GiB) | 256 | 512 |
| NetworkingAll 8 match | m5a.16xlarge | r5a.16xlarge |
|---|---|---|
| Network | 12 Gigabit | 12 Gigabit |
| Network baseline | 12 Gbps | 12 Gbps |
| Network peak | 12 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 |
| StorageAll 11 match | m5a.16xlarge | r5a.16xlarge |
|---|---|---|
| Storage | EBS only | EBS only |
| EBS optimized | Yes | Yes |
| EBS over NVMe | Required | Required |
| EBS throughput | 7000 Mbps | 7000 Mbps |
| EBS baseline bandwidth | 9,500 Mbps | 9,500 Mbps |
| EBS max bandwidth | 9,500 Mbps | 9,500 Mbps |
| EBS baseline throughput | 1,187.5 MB/s | 1,187.5 MB/s |
| EBS max throughput | 1,187.5 MB/s | 1,187.5 MB/s |
| EBS baseline IOPS | 40,000 | 40,000 |
| EBS max IOPS | 40,000 | 40,000 |
| Max EBS volumes | 27 | 27 |
| Instance details2 of 10 differ | m5a.16xlarge | r5a.16xlarge |
|---|---|---|
| Family | m5a | r5a |
| Category | General purpose | Memory optimized |
| 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 m5a.16xlarge first. Linux, USD per hour.
| Region | m5a.16xlarge | r5a.16xlarge | Difference |
|---|---|---|---|
| Asia Pacific (Mumbai)ap-south-1 | $1.778 | $2.288 | ▲ 29% |
| US East (N. Virginia)Used in summaryus-east-1 | $2.752 | $3.616 | ▲ 31% |
| US East (Ohio)us-east-2 | $2.752 | $3.616 | ▲ 31% |
| US West (Oregon)us-west-2 | $2.752 | $3.616 | ▲ 31% |
| Canada (Central)ca-central-1 | $3.072 | $3.968 | ▲ 29% |
| EU (Ireland)eu-west-1 | $3.072 | $4.064 | ▲ 32% |
| EU (London)eu-west-2 | $3.20 | $4.256 | ▲ 33% |
| EU (Milan)eu-south-1 | $3.232 | $4.256 | ▲ 32% |
| EU (Paris)eu-west-3 | $3.232 | $4.256 | ▲ 32% |
| US West (N. California)us-west-1 | $3.232 | $4.032 | ▲ 25% |
| EU (Frankfurt)eu-central-1 | $3.328 | $4.384 | ▲ 32% |
| Asia Pacific (Seoul)ap-northeast-2 | $3.392 | $4.352 | ▲ 28% |
| Asia Pacific (Singapore)ap-southeast-1 | $3.456 | $4.352 | ▲ 26% |
| Asia Pacific (Sydney)ap-southeast-2 | $3.456 | $4.352 | ▲ 26% |
| AWS GovCloud (US-East)us-gov-east-1 | $3.488 | $4.352 | ▲ 25% |
| AWS GovCloud (US-West)us-gov-west-1 | $3.488 | $4.352 | ▲ 25% |
| Asia Pacific (Tokyo)ap-northeast-1 | $3.584 | $4.384 | ▲ 22% |
| South America (Sao Paulo)sa-east-1 | $4.416 | $5.792 | ▲ 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.