I think the PS4.5 wont run games at 4K but 3K

[HoloDust]

MortienGerrux said:

HoloDust said:

Actually, if you check Anandtech Bench, you mostly see 3x difference on the same card between 1080p and 2160p (it's much more obvious in nVidia cards, AMD GPUs tend to underperform in some of tests) - also, 390X tends to have somewhat lower framerate in 2160p then 7850 in 1080p, even with more then 3x TFLOPS (though not 3x MPixels/MTexels per second).

Consoles don't run their third-party games at Ultra settings. If you look at benchmark a R9 380 is pretty capable of native 4K locked 30FPS at Medium/High settings.

True, but not really relevant for this particular case - the point is that you usually need around 3x GPU for jump from 1080p to 2160p with the same settings, whatever those settings might be.