The components are vastly overblown, it be normally NVIDIA marketing and marketing to come by you to employ more. Sure, if I used to be building a $3k system I would need more than 12gb. For 4k gaming it be a non self-discipline because any on the 2d accessible GPU with no longer as a lot as 16gb will push depressing framerates in any VRAM restricted explain of affairs anyway.
At 2k the correct games that plod into vital components with 8gb of VRAM are a poorly optimised mess. There is nothing factual now that you would truly are trying to play at 2k that is never any longer going to work properly with 12gb.
Real aquire the GPU that meets your efficiency requirements, as shitty as NVIDIA are, I judge they balance equipped VRAM with efficiency moderately properly.