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numberwang said:

Captain_Yuri said:

Nvidia DLSS 3 on RTX 4090 - Exclusive First Look - 4K 120FPS and Beyond

I think the main area that people were interested in is the input lag so this is what DF tested:

I assume Cyberpunk DLSS 2 perf. is running at around 60fps and with frame generation around 120fps. Added 23ms latency is quite a compromise for super smooth looking visuals.

It should be worse if you use DLSS 2 quality at around 40fps and with frame generation around 80fps. That could be 35ms added latency but the perceived visual smoothness will increase a lot.

That is the crux with frame interpolation, you need a high fps in the first place to minimize added latency.

Well we know that Portal RTX is more demanding than Cyberpunk and likely has a lower FPS than Cyberpunk based on the much worse latency at native. But that is also when we see DLSS 3 at it's best with only being 3ms slower than DLSS 2 and 39ms faster than Native. On the other hand, Spiderman Remastered is much less demanding than Cyberpunk and it has a high framerate but this is also where DLSS 3 is at it's worst because it has a worse delay than Native.

So while it's true that you need high fps to minimize added latency, in the case of DLSS 3, high fps is when DLSS 3 is at its worst and is effectively an useless option because... You are already getting a high fps at Native or with DLSS 2 but the input latency of DLSS 3 is worse than both... The added smoothness will also have diminishing returns at high fps.

At low FPS is where DLSS 3 is at it's best because the input latency is less than what you would get if you use DLSS 3 vs Native while DLSS 3 is able to add in those extra frames. The frames will also look smoother with DLSS 3 at a low frame rate as opposed to high frame rate because there's literally less frames at low frame rate.