There's a compatibility issue with a handful of games, that would be the only reason why you wouldn't want the updated card. Sometimes newer is not necessarily better. It has more to do with the availability of the GPU used in the older video card, it is no longer manufactured by AMD. This kind of thing is usually what prompts a vendor to replace or update components within the same platform. To them it is inconvenient to update components during the life of the platform because they have to get the whole thing jurisdictional approval again, but if you can't source a component, what are you going to do.