AIDA64 - AIDA64 is a system information, diagnostics and benchmarking solution for Windows PC.
Geekbench - Geekbench 4 measures your hardware's power and tells you whether your computer is ready to roar. How strong is your mobile or desktop system?
CPU-Z - CPU-Z is a freeware that gathers information on some of the main devices of your system : Processor name and number, codename, process, package, cache levels.
UserBenchMark - Test, fix and upgrade your PC's performance.
Prime95 - Prime95 is a program that searches for new Mersenne prime numbers.
3DMark - 3DMark includes everything you need to benchmark your hardware in one app.