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In my uneducated opinion I would say the difference wouldn't be enough (for me) to make the (at least) £700 change. Of course that depends on your circumstances. Is there a game or scenario where you feel the 14900K isn't doing it for you?
The 14900K has been great for me so far, at this point it's purely for gaming. I have the 57" Samsung Odyssey Neo G9 so trying to get a system that can get as many frames as possible on that monitor.
