The tech-savvy Windows users might have used CPU-Z. It is an excellent utility for gathering comprehensive system information that is not available through stock applications in Windows. CPU-Z is not available on Linux.
There are multiple ways and tools you can use to get detailed hardware information in Linux. In fact, if you want something similar to CPU-Z on Linux, you are in luck. A developer called X0rg on GitHub has created a CPU-Z clone called CPU-X for Linux. The interface might not be an exact replica bit you will find it familiar.
See CPU-X an Alternative to CPU-Z for Linux - It's FOSS
Popular Windows tool CPU-Z is not available in Linux. But there is a similar tool called CPU-X. Check it out for getting CPU and other hardware info in Linux.