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[Pegasus Actual]

DLSS fake resolution gives you real performance, while frame gen fake frames gives you fake performance. And bilinear resize was never fake resolution, it never added "fake detail", even of the worst possible quality, while TV interpolation already increased fake fluidity, even if done poorly.

Perhaps in the future frame gen will provide a type of "fake performance" with the evolution of that warping NVidia showed. Then it would be something TV interpolation never did, even poorly.

DLSS 4k Performance mode is (or at least was, they may have tweaked resolutions) rendering at 1080p. So the question is, does DLSS 4k Performance mode give better performance than just rendering at 1080p? And of course the answer is no. You actually take a performance hit (frame rate and latency) compared to 1080p. You just gain lots of fake resolution. That it's listed as 4k in a game's video settings doesn't change the underlying reality of what it actually is. Its improved performance at 4k isn't any more real than frames you're getting from FrameGen.

The latency implications for FrameGen at lower natively rendered frame rates are of course more serious than they are for DLSS resolution scaling but there's always going to be a crossover point where the extra frames are preferable to ever-so-slightly better latency at a lower frame rate. Case-by-case and personal preference.