Speccy will give you detailed statistics on every piece of hardware in your computer. Including CPU, Motherboard, RAM, Graphics Cards, Hard Disks, Optical Drives, Audio support.
Speccy - System Information tool
Speccy - CPU
Speccy - Hard Drives
Speccy - Options Window
Every time the app is launched, it automatically scans the computer for changes and displays all the information within a single, tab-based window. This way, users can easily read data regarding the CPU, mainboard, memory or graphics in a matter of seconds and few mouse clicks.
CPUID - PC Wizard
CPUID - PC Wizard Processor
CPUID - PC Wizard Motherboard
CPUID - PC Wizard CPU
If you are doing math and don't have a TI Programmable Calculator, you are at a disadvantage.