c5ad.16xlargevsm5ad.16xlarge
c5ad.16xlarge is 17% cheaper than m5ad.16xlarge on demand in US East (N. Virginia), saving $397.12 a month.
| At a glance | c5ad.16xlarge | m5ad.16xlarge |
|---|---|---|
| On-demand | $2.752/hr17% less | $3.296/hr |
| Lowest rate | $0.5734/hr37% lessSpot, can be interrupted | $0.9146/hrSpot, can be interrupted |
| Size | 64 vCPUs, 128 GiB | 64 vCPUs, 256 GiB |
| Processor | AMD EPYC 7R32 | 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 | c5ad.16xlarge | m5ad.16xlarge | m5ad.16xlarge vs c5ad.16xlarge |
|---|---|---|---|
| On-demandPay by the hour | $2.752 | $3.296 | ▲ 20% |
| SpotCan be interrupted | 79% off$0.5734 | 72% off$0.9146 | ▲ 60% |
| 1-yr reservedNo upfront | 37% off$1.734 | 37% off$2.076 | ▲ 20% |
| 3-yr reservedNo upfront | 57% off$1.189 | 57% off$1.424 | ▲ 20% |
| 1-yr savings planHourly commitment | 28% off$1.991 | 26% off$2.423 | ▲ 22% |
| 3-yr savings planHourly commitment | 52% off$1.332 | 50% off$1.662 | ▲ 25% |
Key differences
The biggest lead each one has.
Where c5ad.16xlarge leads
On-demand price$2.752 vs $3.296 per hour
17% cheaperNetwork baseline20 Gbps vs 12 Gbps
67% higherClock speed3.3 GHz vs 2.5 GHz
32% higherMax EBS volumes25 vs 23
9% higherWhere m5ad.16xlarge leads
Memory (GiB)256 vs 128
2× higherEBS baseline bandwidth9,500 Mbps vs 6,300 Mbps
51% higherSpecs
20 of 41 specs differ. Those are in bold.
| Compute4 of 10 differ | c5ad.16xlarge | m5ad.16xlarge |
|---|---|---|
| vCPUs | 64 | 64 |
| Physical cores | 32 | 32 |
| Threads per core | 2 | 2 |
| Architecture | x86_64 | x86_64 |
| Processor | AMD EPYC 7R32 | AMD EPYC 7571 |
| CPU maker | AMD | AMD |
| Clock speed | 3.3 GHz | 2.5 GHz |
| Sustained clock | 3.3 GHz | 2.5 GHz |
| Processor features | AMD Turbo; AVX; AVX2 | AVX; AVX2; AMD Turbo |
| Burstable | No | No |
| Memory1 of 1 differ | c5ad.16xlarge | m5ad.16xlarge |
|---|---|---|
| Memory (GiB) | 128 | 256 |
| Networking3 of 8 differ | c5ad.16xlarge | m5ad.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 |
| Storage10 of 12 differ | c5ad.16xlarge | m5ad.16xlarge |
|---|---|---|
| Storage | 2 x 1200 NVMe SSD | 4 x 600 NVMe SSD |
| Local disks | 2 × 1,200 GB SSD | 4 × 600 GB SSD |
| EBS optimized | Yes | Yes |
| EBS over NVMe | Required | Required |
| EBS throughput | 6300 Mbps | 7000 Mbps |
| EBS baseline bandwidth | 6,300 Mbps | 9,500 Mbps |
| EBS max bandwidth | 6,300 Mbps | 9,500 Mbps |
| EBS baseline throughput | 787.5 MB/s | 1,187.5 MB/s |
| EBS max throughput | 787.5 MB/s | 1,187.5 MB/s |
| EBS baseline IOPS | 26,700 | 40,000 |
| EBS max IOPS | 26,700 | 40,000 |
| Max EBS volumes | 25 | 23 |
| Instance details2 of 10 differ | c5ad.16xlarge | m5ad.16xlarge |
|---|---|---|
| Family | c5ad | m5ad |
| Category | Compute optimized | 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 c5ad.16xlarge first. Linux, USD per hour.
| Region | c5ad.16xlarge | m5ad.16xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $2.752 | $3.296 | ▲ 20% |
| US East (Ohio)us-east-2 | $2.752 | $3.296 | ▲ 20% |
| US West (Oregon)us-west-2 | $2.752 | $3.296 | ▲ 20% |
| EU (Ireland)eu-west-1 | $3.136 | $3.68 | ▲ 17% |
| EU (Frankfurt)eu-central-1 | $3.20 | $4.00 | ▲ 25% |
| Asia Pacific (Singapore)ap-southeast-1 | $3.232 | $4.128 | ▲ 28% |
| Asia Pacific (Sydney)ap-southeast-2 | $3.616 | $4.16 | ▲ 15% |
| South America (Sao Paulo)sa-east-1 | $4.288 | $5.28 | ▲ 23% |
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.