c5.18xlargevsc5d.18xlarge
c5.18xlarge is 11% cheaper than c5d.18xlarge on demand in US East (N. Virginia), saving $289.08 a month.
| At a glance | c5.18xlarge | c5d.18xlarge |
|---|---|---|
| On-demand | $3.06/hr11% less | $3.456/hr |
| Lowest rate | $0.7464/hrSpot, can be interrupted | $0.6534/hr12% lessSpot, can be interrupted |
| Size | 72 vCPUs, 144 GiB | 72 vCPUs, 144 GiB |
| Processor | Intel Xeon Platinum 8124M | Intel Xeon Platinum 8124M |
| 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 | c5.18xlarge | c5d.18xlarge | c5d.18xlarge vs c5.18xlarge |
|---|---|---|---|
| On-demandPay by the hour | $3.06 | $3.456 | ▲ 13% |
| SpotCan be interrupted | 76% off$0.7464 | 81% off$0.6534 | ▼ 12% |
| 1-yr reservedNo upfront | 37% off$1.928 | 37% off$2.177 | ▲ 13% |
| 3-yr reservedNo upfront | 58% off$1.282 | 58% off$1.451 | ▲ 13% |
| 1-yr savings planHourly commitment | 28% off$2.217 | 27% off$2.507 | ▲ 13% |
| 3-yr savings planHourly commitment | 52% off$1.477 | 52% off$1.669 | ▲ 13% |
Key differences
The biggest lead each one has.
Where c5.18xlarge leads
On-demand price$3.06 vs $3.456 per hour
11% cheaperMax EBS volumes27 vs 25
8% higherWhere c5d.18xlarge leads
No clear lead on the measures we compare.
Specs
4 of 42 specs differ. Those are in bold.
| ComputeAll 11 match | c5.18xlarge | c5d.18xlarge |
|---|---|---|
| vCPUs | 72 | 72 |
| Physical cores | 36 | 36 |
| Threads per core | 2 | 2 |
| Architecture | x86_64 | x86_64 |
| Processor | Intel Xeon Platinum 8124M | Intel Xeon Platinum 8124M |
| CPU maker | Intel | Intel |
| Clock speed | 3.4 GHz | 3.4 GHz |
| Sustained clock | 3.4 GHz | 3.4 GHz |
| Processor features | Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo | Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo |
| Burstable | No | No |
| ECU | 281 | 281 |
| MemoryAll 1 match | c5.18xlarge | c5d.18xlarge |
|---|---|---|
| Memory (GiB) | 144 | 144 |
| NetworkingAll 8 match | c5.18xlarge | c5d.18xlarge |
|---|---|---|
| Network | 25 Gigabit | 25 Gigabit |
| Network baseline | 25 Gbps | 25 Gbps |
| Network peak | 25 Gbps | 25 Gbps |
| Enhanced networking | Yes (ENA) | Yes (ENA) |
| EFA | No | No |
| IPv6 | Yes | Yes |
| Max network interfaces | 15 | 15 |
| IPv4 addresses per interface | 50 | 50 |
| Storage3 of 12 differ | c5.18xlarge | c5d.18xlarge |
|---|---|---|
| Storage | EBS only | 2 x 900 NVMe SSD |
| Local disks | – | 2 × 900 GB SSD |
| EBS optimized | Yes | Yes |
| EBS over NVMe | Required | Required |
| EBS throughput | 9000 Mbps | 9000 Mbps |
| EBS baseline bandwidth | 19,000 Mbps | 19,000 Mbps |
| EBS max bandwidth | 19,000 Mbps | 19,000 Mbps |
| EBS baseline throughput | 2,375 MB/s | 2,375 MB/s |
| EBS max throughput | 2,375 MB/s | 2,375 MB/s |
| EBS baseline IOPS | 80,000 | 80,000 |
| EBS max IOPS | 80,000 | 80,000 |
| Max EBS volumes | 27 | 25 |
| Instance details1 of 10 differ | c5.18xlarge | c5d.18xlarge |
|---|---|---|
| Family | c5 | c5d |
| Category | Compute optimized | Compute optimized |
| Current generation | Yes | Yes |
| Normalization factor | 144 | 144 |
| Bare metal | No | No |
| Hypervisor | Nitro | Nitro |
| Placement groups | Cluster, Partition, Spread | Cluster, Partition, Spread |
| Hibernation | Yes | Yes |
| Nitro Enclaves | Yes | Yes |
| Boot modes | Legacy BIOS, UEFI | Legacy BIOS, UEFI |
On-demand prices by region
Cheapest for c5.18xlarge first. Linux, USD per hour.
| Region | c5.18xlarge | c5d.18xlarge | Difference |
|---|---|---|---|
| Asia Pacific (Hyderabad)ap-south-2 | $3.06 | $3.564 | ▲ 16% |
| Asia Pacific (Mumbai)ap-south-1 | $3.06 | $3.564 | ▲ 16% |
| US East (N. Virginia)Used in summaryus-east-1 | $3.06 | $3.456 | ▲ 13% |
| US East (Ohio)us-east-2 | $3.06 | $3.456 | ▲ 13% |
| US West (Oregon)us-west-2 | $3.06 | $3.456 | ▲ 13% |
| EU (Stockholm)eu-north-1 | $3.276 | $3.744 | ▲ 14% |
| Canada (Central)ca-central-1 | $3.348 | $3.816 | ▲ 14% |
| Asia Pacific (Seoul)ap-northeast-2 | $3.456 | $3.96 | ▲ 15% |
| EU (Ireland)eu-west-1 | $3.456 | $3.924 | ▲ 14% |
| Europe (Spain)eu-south-2 | $3.456 | $3.924 | ▲ 14% |
| EU (Frankfurt)eu-central-1 | $3.492 | $3.996 | ▲ 14% |
| Asia Pacific (Jakarta)ap-southeast-3 | $3.528 | $4.032 | ▲ 14% |
| Asia Pacific (Singapore)ap-southeast-1 | $3.528 | $4.032 | ▲ 14% |
| Israel (Tel Aviv)il-central-1 | $3.629 | $4.12 | ▲ 14% |
| EU (London)eu-west-2 | $3.636 | $4.14 | ▲ 14% |
| EU (Milan)eu-south-1 | $3.636 | $4.104 | ▲ 13% |
| EU (Paris)eu-west-3 | $3.636 | $4.14 | ▲ 14% |
| AWS GovCloud (US-East)us-gov-east-1 | $3.672 | $4.176 | ▲ 14% |
| AWS GovCloud (US-West)us-gov-west-1 | $3.672 | $4.176 | ▲ 14% |
| Middle East (Bahrain)me-south-1 | $3.802 | $4.316 | ▲ 14% |
| Middle East (UAE)me-central-1 | $3.802 | $4.316 | ▲ 14% |
| US West (N. California)us-west-1 | $3.816 | $4.32 | ▲ 13% |
| Europe (Zurich)eu-central-2 | $3.841 | $4.396 | ▲ 14% |
| Asia Pacific (Osaka)ap-northeast-3 | $3.852 | $4.392 | ▲ 14% |
| Asia Pacific (Tokyo)ap-northeast-1 | $3.852 | $4.392 | ▲ 14% |
| Asia Pacific (Hong Kong)ap-east-1 | $3.888 | $4.428 | ▲ 14% |
| Asia Pacific (Melbourne)ap-southeast-4 | $3.996 | $4.536 | ▲ 14% |
| Asia Pacific (Sydney)ap-southeast-2 | $3.996 | $4.536 | ▲ 14% |
| Africa (Cape Town)af-south-1 | $4.104 | $4.68 | ▲ 14% |
| South America (Sao Paulo)sa-east-1 | $4.716 | $5.364 | ▲ 14% |
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.