Furmark 2 is the successor of the venerable furmark 1 and is a very intensive gpu stress test on windows (32-bit and 64-bit) and linux (32-bit and 64-bit) platforms.
It's also a quick opengl and.
Furmark rog edition is a heavily revamped version for asus of the popular furmark tool.
Furmark rog edition comes with modern stress-tests and artifact scanner based on opengl and vulkan.