vCPU
2 minute read
Virtual Machines (VMs) require at least one virtual CPU to be able to run.
A vCPU comprises one or more virtual CPU cores, which are referred to as vCores. Each vCore corresponds to a hardware thread on a physical CPU. Each vCPU executes command sequences for the operating system of the VM or the application programs executed there.
Options offered
You can choose between “Standard CPU” and “High Performance CPU”. This selection always refers to an entire virtual data center (OrgVDC, see section Datacenter on the Quickstart) page.
Depending on the selection, the clock speed of the vCores and the maximum number of configurable vCores per VM will differ. The current values can be found in the product description.
At the time of writing, the following values apply:
| Option | Clock speed | Number of vCores |
|---|---|---|
| Standard vCore | at least 2.0 GHz | whole number from 1 to 32 |
| High-Performance vCore | at least 3.1 GHz | whole number from 1 to 16 |
Please note:
- All vCores of a VM have the same clock speed.
- All VMs of a OrgVDC use the same type of vCPU.
- Proportional configuration of vCPUs is not possible.
- There is no entitlement to a specific CPU model or a specific manufacturer.
Setting up vCPUs for VMs
You can read about this on the Quickstart page.