The word "stress" is too general. 3dmark can test the performance first, and then it has a test. Repeat a CG running test for more than ten times, which is to test the stability of the graphics card. Furmark is to test whether the graphics card radiator and chassis air duct are up to standard. Find out what the software is measuring so that it won't get what it wants.

For example, after the graphics card is overclocked, to test the stability at higher frequency, 3dmark's stress test is the first choice, as shown in the following figure, followed by furmark baking machine, to see if the temperature can withstand at high frequency: