timppu: So just to get this straight, are DLSS and FSR just stopgap technologies, about which I will not care in the future as I will be able to play all (current 2020-2021) games without either with good framerates at 4K or 8K or 256K resolutions?
So games look better without DLSS and FSR, they are just fake methods to make games running in higher resolutions by not calculating (or rendering) everything in the higher resolution?
...
Yes, no and kinda.... The basic principle is to be able to play a game at a higher resolution and framerate and have the end result look better overall than if one couldn't do that and had to play the game at a lower resolution/framerate.
For example, lets say you can play a game comfortably at 1080p60fps but in 1440p you get 30fps and it is too jumpy so you find it unplayable and opt instead to play 1080p60. With DLSS or FSR you can play at 1440p60 per se, and the quality of the upscaling should result in an end result that looks better than 1080p60 but not quite as good as native 1440p60. So it is an overall net win despite not being absolutely flawless.
And this is important too when people compare DLSS to FSR. DLSS will almost certainly be superior in quality overall as it is a more mature technology. That doesn't really matter though, what matters is whether or not either of these technologies can give visually better results at a higher resolution and framerate than playing at a lower resolution. If they are better then they're useful and people will want to use them to have a better overall experience. If one can just play at a higher resolution natively it will look better of course...
... except that they've found DLSS can actually make some things look better with upscaling than at native resolution, which on the surface sounds impossible until one researches how and why it's able to do this in which case it is pretty interesting and also impressive.
As long as higher resolution with FSR looks better than lower resolution without it it is going to be a win, and it'll likely only improve over time. AMD's likely to add acceleration for it in RDNA3 also and give it a further boost potentially.
But... this is all hypothetical on the AMD side at least until the technology is available in some games publicly and gets tested to see if it delivers usable functionality.
Another thing worth noting which I don't see many people mention, is that when Nvidia pumped up DLSS and released DLSS 1.0 it was pure unusable garbage and everyone turned it on, went "meh, this is terrible" and turned it right back off. It wasn't until DLSS 2.0 until people almost universally acknowledged that it was now very functional. FSR does not have to beat or even come close to DLSS to be a useful successful technology. It just has to be better than DLSS 1.0, be usable and produce better looking results when enabled than the lower resolution it is upscaling from, and the associated frame rate uplift.