Just so long as there's a diversity of choice, and you can select whether you want your RAM on the CPU or in a (perhaps slower) separate package. Let people choose what they think will work better for them.
RAM on the CPU just seems like another level of cache. Disks have become faster (SSDs). At some point these machines with GB of RAM on the CPU will probably add more RAM on the motherboard as we've had, and the CPU RAM will become cache again, just a lot bigger.
Well, the 3D models of ryzen have shown the slightly larger cache to have major performance impacts but only in some areas of use. Auto CAD, video rendering, etc. Basically the same places you'd need more cores. Tests run on games, noncore intensive programs, etc., show no real change in performance from the extra cache size. I think it's a situation of STILL waiting for programs to catch up to technology
It depends on the game. Simulation games see a large boost in performance with 3D v-cache.
If you get down to it, it's all cache, except perhaps the final mass storage. It's just a matter of how automatic caching and flushing is. And we've definitely found that 16GB of RAM makes a good difference in general performance.
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