If you use a graphics card on your PC which is either from NVIDIA or ATI Radeon, then you can monitor them easily using GPU Shark. GPU Shark is a simple and lightweight freeware GPU monitoring tool, based on ZoomGPU, for GeForce and ATI Radeon based graphics cards. GPU Shark offers a global view of all your graphics cards in a single window. The application is portable and does not require any installation and it quickly provides you with all the details of your graphics card.
GPU Shark gives an overview of all your GPUs and has two viewing modes: simplified and detailed. In simplified mode (default), only the essential hardware information is displayed: graphics card name, temperatures (GPU, PCB) and clocks. Whereas in detailed mode all data is available: GPU codename, driver version, bios version, device ID, etc.
GPU Shark supports only NVIDIA and ATI Radeon based cards.