Intel · Windows 10/11

Intel P-Cores and E-Cores

Hybrid Intel CPUs have different types of cores, and not every setting or sensor maps one-to-one across them.

Quick answer

Does Quick CPU distinguish performance and efficiency cores?

Hybrid Intel CPUs have different types of cores, and not every setting or sensor maps one-to-one across them.

How to check this on your PC

  1. Check whether your CPU is a hybrid model
  2. Compare logical processor numbering with documented topology
  3. Observe per-core clocks and load during a short workload

How to confirm the result

Look for workload placement differences without changing affinity blindly.

When comparing results, use the same power scheme, similar ambient temperature and a fixed workload. Save your starting values before experimenting so you can return to them.

Important limitation

A per-thread percentage is not a direct measure of work completed.

Frequently asked questions

Does Quick CPU distinguish performance and efficiency cores?

Hybrid Intel CPUs have different types of cores, and not every setting or sensor maps one-to-one across them.

What result should I check after this procedure?

Look for workload placement differences without changing affinity blindly. Compare the observation with a saved baseline before deciding whether to keep the change.

Which hardware limitation matters here?

A per-thread percentage is not a direct measure of work completed. Save original settings so you can reverse any unexpected behavior.

Related Quick CPU guides

Sources and further reading