lsscsi - Uses information in sysfs (Linux kernels 2.6.
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?
cpuid - cpuid dumps detailed information about the CPU(s) gathered from the CPUID instruction, and also...
UserBenchMark - Test, fix and upgrade your PC's performance.
Speccy - Speccy - find the details of your computer's specs. Great for spotting issues or finding compatible upgrades. Download the latest version free.
3DMark - 3DMark includes everything you need to benchmark your hardware in one app.