GpuTest is described as 'Cross-platform (Windows, Linux and Max OS X) GPU stress test and OpenGL benchmark. GpuTest comes with several GPU tests including some popular ones from Windows'world (FurMark or TessMark)' and is an app. There are 2 alternatives to GpuTest for Linux, Android, Flathub and Windows. The best GpuTest alternative is Furmark, which is free.
FurMark is a very intensive OpenGL benchmark that uses fur rendering algorithms to measure the performance of the graphics card. Fur rendering is especially adapted to overheat the GPU and that's why FurMark is also a perfect stability and stress test tool (also called GPU...
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