What are some alternatives?
When comparing CPU-Z and SpeedFan, you can also consider the following products
Speccy - Speccy - find the details of your computer's specs. Great for spotting issues or finding compatible upgrades. Download the latest version free.
Open Hardware Monitor - Monitors temperature sensors, fan speeds, voltages, load and clock speeds, with optional graph.
AIDA64 - AIDA64 is a system information, diagnostics and benchmarking solution for Windows PC.
iStat Menus - "An advanced Mac system monitor for your menubar."
GPU-Z - GPU-Z is a lightweight system utility designed to provide vital information about your video card...
Core Temp - Nov 4, 2017 - Core Temp is a compact, no fuss, small footprint, yet powerful program to monitor processor temperature and other vital information.