Purchase options & licensing · AWS vs Google Cloud
EC2 On-Demand Capacity Reservations vs Compute Engine reservations
EC2 On-Demand Capacity Reservations map to Compute Engine reservations, which hold zonal capacity for a machine type.
Side-by-side comparison
| Aspect | Amazon Web Services | Google Cloud |
|---|---|---|
| Service | EC2 On-Demand Capacity Reservations | Compute Engine reservations |
| Lifecycle | Generally available | Generally available |
| What it is | Reserve capacity for an instance type in an AZ, either immediately with no commitment or future-dated with a commitment. Billed at On-Demand rates whether you use it or not. Discounts come from Savings Plans or regional RIs. | Reserve zonal capacity for specific machine types, consumed automatically by matching VMs or only by VMs that target the reservation. Future reservations can request capacity ahead of time. |
| Pricing model | Billed at the On-Demand rate for the reserved instance type, used or unused. Immediate reservations have no term, and future-dated ones carry a minimum commitment. | Reserved resources are billed at on-demand rates (committed use discounts can apply) whether or not VMs use them. |
| Docs | EC2 On-Demand Capacity Reservations docs | Compute Engine reservations docs |
| Pricing page | EC2 On-Demand Capacity Reservations pricing | Compute Engine reservations pricing |
Key differences
- Reservations are consumed automatically by matching VMs by default, or only by VMs that target them.
- Future reservations let you request capacity for a later start date.
Pricing summary
Pricing models only. No prices are quoted because they change by region and over time.
- AWS
- Billed at the On-Demand rate for the reserved instance type, used or unused. Immediate reservations have no term, and future-dated ones carry a minimum commitment. EC2 On-Demand Capacity Reservations pricing →
- GCP
- Reserved resources are billed at on-demand rates (committed use discounts can apply) whether or not VMs use them. Compute Engine reservations pricing →
And on Azure?
Direct match Azure's equivalent is Azure on-demand capacity reservation. AWS vs Azure comparison →
FAQ
What is the Google Cloud equivalent of EC2 On-Demand Capacity Reservations?
EC2 On-Demand Capacity Reservations map to Compute Engine reservations, which hold zonal capacity for a machine type.
How does pricing compare between EC2 On-Demand Capacity Reservations and Compute Engine reservations?
AWS: Billed at the On-Demand rate for the reserved instance type, used or unused. Immediate reservations have no term, and future-dated ones carry a minimum commitment. Google Cloud: Reserved resources are billed at on-demand rates (committed use discounts can apply) whether or not VMs use them. Check the official pricing pages for current rates.
What is the Azure equivalent?
Azure on-demand capacity reservation (direct match). EC2 On-Demand Capacity Reservations map to Azure on-demand capacity reservation.