CPU-Z is a freeware that gathers information on some of the main devices of your system.
GPU-Z will tell you everything you want to know about the graphics devices in your system.
MSI Afterburner is a handy overclocking utility for MSI graphics cards. Main features include GPU/Shader/Memory clock adjustment, advanced fan speed and GPU voltage control. To show the graphics card operating status more accurately, Afterburner provides a complete monitoring function: all important information including the GPU core clock, memory clock, temperature, voltage, and fan speed have a real-time on-screen-display monitor in games and real-time information in Windows Tray Icon. All the adjustments can be saved as 5 profiles; users can quickly switch to different settings with hotkeys. Afterburner supports both NVIDIA and ATI graphics cards.
HWMonitor is a hardware monitoring program that reads PC systems main health sensors : voltages, temperatures, fans speed.
FurMark is an OpenGL-based GPU stress test utility (also called GPU burn-in test). It makes it possible to push the GPU to the max in order to test the stability of the graphics card (and the PSU too!) leading to maximal GPU and VRM temperatures. That’s why FurMark is often used by overclockers and graphics cards fanatics to validate an overclocking, to test a new VGA cooler or to check the max power consumption of a video card.
Peacekeeper is a free online browser benchmark tool. With Peacekeeper it’s quick and easy to compare different browsers to find out which one offers the best performance on your PC.