The leaker is suggesting that this could be the Navi 21 flagship GPU, but, judging by the memory configuration and the thickness of the radiator, this may actually turn out to be the Navi 22 mid-range solution that is supposed to compete with Nvidia's RTX 3070 models.
https://www.notebookcheck.net/First-alleged-AMD-RDNA2-Navi-2x-engineering-sample-spotted-in-the-wild.492705.0.html