What are some alternatives?
When comparing SpeedFan and Geekbench, you can also consider the following products
Open Hardware Monitor - Monitors temperature sensors, fan speeds, voltages, load and clock speeds, with optional graph.
Novabench - NovaBench is a piece of analytical software that works to test the various limits of your computer. The software is completely free to use, and it runs at a lightning-fast pace. Read more about Novabench.
iStat Menus - "An advanced Mac system monitor for your menubar."
AIDA64 - AIDA64 is a system information, diagnostics and benchmarking solution for Windows PC.
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.
AnTuTu Benchmark - AnTuTu benchmark is the most popular benchmarking app in the world! Over 200,000,000 users choice AnTuTu. AnTuTu also support cross-platform，including Android, iOS and Windows.