When such a video card is detected, GPU-Z will add "[FAKE]" to the name field for the graphics card, as seen in the screenshot below. The update promises to be able to detect a fake RTX 2060 that ...

GPU-Z 2.61.0 released: supports Intel's new Arc B580 and B570 'Battlemage' GPUs, as well as preliminary support for AMD's new RDNA 4-based Navi 48 GPU.