I disagree about the XBOX. Yes, the CPU is underpowered, so is the PS4’s frankly, but the point of it’s TFlops was to push raw pixel counts for 4K, not provide the next gen now. If developers moved to better utilise it’s GPU, we wouldn’t see Forza at 4K. It would be 1440p with more going on.
The design of the PS4 is using fairly cheap parts to push price competitive hardware for years, giving Sony profits. After the failure of the PS3 and the success of the PS4, I don’t think they’re going to alter course. The move up could work, depending on adoption to drive down manufacture costs. It’s a gamble. I can’t see Sony pushing cutting edge hardware, because they won’t be targeting next gen visuals at 4K, when next gen with checkerboard is basically indistinguishable. As I said, building a console to target next gen visuals and 4K would require a hell of machine, and it’s not worth it. Hell, current gen at 4K is largely off the cards outside of the enthusiast level pc hardware. Bang for your buck, I think Sony goes more conservative to preserve profit margins.
If we’re hitting diminishing returns on visuals and pixels - and I think the return ratio has shifted such that 1440p, checkerboard, and solid TAA is enough for most people - I think Sony focuses elsewhere. Faster loading, shorter installs, snapper multi app functionality. I can’t see Sony, or Microsoft, pushing 12+ TFlops for their machines, because I just don’t think we’re gonna see developers pushing for it outside of the biggest players. I’m happy to be wrong, but I think the mid-gen refresh will mean smaller gains, with more iteration.