Coreteks, citing sources in Asia, reports that AMD has started sharing details of the RDNA 2-based GPUs with its Add-In Board (AIB) partners. They say the performance level of the high-end card—codenamed Sienna Cichlid—is just 15 percent better than Nvidia's RTX 2080 Ti, and that’s only in select AMD “optimized” games.
which means it can't beat it in others
that also means a mediocre upgrade
RTX3080 is 35% faster than 2080ti
all I see is Nvidia pulling away from AMD