There's no better feeling than having built or bought a brand-new PC. But before you jump into that game you've been waiting to play, there's something you need to do first. The first thing that every new computer owner should do is run a benchmark test. Benchmarking your GPU is a great way to measure how much performance you can get from your graphics card, how hot it gets under load, and what frames per second (FPS) it will run certain games at.