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?
PowerTOP - PowerTOP is a Linux tool to diagnose issues with power consumption and power management.
3DMark - 3DMark includes everything you need to benchmark your hardware in one app.
upower - UPower is an abstraction for enumerating power devices, listening to device events and querying...
UserBenchMark - Test, fix and upgrade your PC's performance.
RMClock - RightMark CPU Clock Utility (RMClock) is a small GUI application designed for real-time CPU...