I also tested Forever Winter (a UE 5 game I think) and it was sort of the same story.
At first, I thought something was wrong with my setup, downloaded the 3dmark nomad demo to test, but it seems people with similar rigs as mine got in the same ballpark as my 3dmark score. Also, looking at other people benchmarking the 4070S at 1440p native resolution also yielded the same ballpark fps range.
So, with that all said, activating DLSS really gives an FPS boost with the same tiles, so it seems this is the future?
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On the one hand, I am a bit muffed by having to use DLSS to get better frames, but on the other hand, experiencing the technology firsthand is actually quite amazing - I can't really distinguish at this stage between native and 'balanced' DLSS setting.
Maybe if I took side by side screenshots for comparison you might spot differences in image quality, but playing a title, I wouldn't be able to tell you. The same was with Cyberpunk with DLSS activated.
But for now, I decided to stop worrying about it and just play some games