Over a period of use, the GPU of your PC might get heated up and if there isn’t much air circulation inside the room, you might end up with high temperature for GPU. GPU Temp is a freeware app for Windows which allows you to monitor and display GPU core temperature and load. The app sits in the system tray and show the real time temperature of your GPU.
While you play the huge 3D video games or overclock your graphics card, you should worry about graphics card overheating, this small software can actually solve this problem for you.
The application is portable and does not require any installation.