ie no reason for owners of a 7950x3d to upgrade *sighs*
Not unless they solve the dual CCD issues so 9950X3D performs as well as the 9800X3D in games, and/or drastically improve the V-Cache speeds for better multithreaded performance closer to the 9950X.
But right, probably no reason. I have a 7950X3D as well, and that's my outlook.
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EDIT: The more I think about this, maybe for someone like me, there could be a reason. I went from a 7800x3d to 7950x3d to get faster non-gaming performance (and because they were stupid cheap during Amazon days). I really don't need 16 cores, but I benefit from the faster non-V-Cache cores, which are prioritized when not playing a game (for people who don't really understand how this works, this is the entire reason for core parking, because otherwise windows will prioritize the fastest cores, which are the ones
without the V-Cache. By parking the uncached cores, it forces Windows to use the cached ones for the game.) However, there IS a gaming hit from my 7800x3d in games I play. If the 9800x3d has better app performance, it would be a way to regain the gaming performance without losing any or much app performance. By apps, I'm not talking about workstation loads, i.e. rendering, transcoding, scientific calculations or 7-zipping a giant file, which benefit from a massive number of cores, I mean normal apps that most of us use many times a day, in which there is a felt difference between the 7800x3d and 7950x3d. Depending on how the 9800x3d does in those vs the 7950x3d, there
could be a reason for people like me who don't need the high core count. And because I'm an idiot nerd who just likes changing things up for curiosity's sake.