Yeah, I'm going to be honest: I'm a cryptocurrency doomer so I've not followed things super closely, but a quick Google search turned up this article[0] from 2022:
>While it is true that Nvidia cards are generally preferred by miners due to better price-to-performance, AMD GPUs such as the Radeon RX 6600 XT could still be mined on profitably until recently. […] So yes, carefully consider the condition of all used graphics cards—Nvidia or AMD.
>While it is true that Nvidia cards are generally preferred by miners due to better price-to-performance, AMD GPUs such as the Radeon RX 6600 XT could still be mined on profitably until recently. […] So yes, carefully consider the condition of all used graphics cards—Nvidia or AMD.
[0] https://www.pcworld.com/article/395149/should-you-buy-a-used...