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Not long ago Nvidia and AMD both had high end cards in the £600-700 price range that rivalled the 3090 but unfortunately they now only offer mid range cards at these prices, you can understand this from the market leader who don’t need to make an effort, it’s just a shame AMD can’t seem to do better and reflects in their dwindling marketshare.
Yeah I think AMD had some concept like this but it was majorly restricted, like only specific combinations of GPU and iGPU would actually work. It was one of those things a manufacturer would announce as a headline feature to attract some hype but had very limited practical application like the high end gpus weren't supported or something, only helped if you had a rubbish GPU to begin with or something like that.
