Stress testing your graphics card is a great way of checking its stability, temperature, and overall performance under load.

Now, we love what this program because it supports NVIDIA, AMD, ATI, and Intel graphics cards. It supports the GPU load test that is designed to verify the PCI-Express lane configuration.

glxgears is a graphics demo that dates back to the '90s. It features three interlocking gears, hence the name. The "glx" part ...