Poll: Do you care about ray tracing / upscaling?

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Saylick

Diamond Member
Sep 10, 2012
3,269
6,752
136
I don't really understand the DLSS complaints. FSR will run on an Nvidia card and most people wouldn't be able to notice the difference between the two and even professional reviewers have said in some games they can't tell the difference at all.
I think most who complain about the lack of DLSS are the same people who claim that DLSS is vastly superior to FSR, so much so that they see FSR as being worthless. In their eyes, it's DLSS or bust.
What's really funny is the people who want to download and run a mod to add DLSS when it's know to have issues and will probably look worse than just using FSR until the mod maker gets all the bugs worked out. That just seems utterly asinine to me.
This is why implementing DLSS or an alternate upscaler isn't as simple as just using Streamline, as many like to claim... There's QA/QC involved with each additional upscaler that people assume isn't needed. It is odd that people are willing to overlook that when they download these mods.
 

Hitman928

Diamond Member
Apr 15, 2012
5,423
8,331
136
So here are my findings for now.

Three quick tests.

1) Native 4k Ultra preset 100% res, vs ultra preset fsr2, dlss and xess all at 50% res.
2) Native 4k ultra preset 100% res vs dlss ultra preset 60% res, since that's the best the 4070ti can do for 60fps.
3) Native 4k ultra preset 100% res vs native 4k low preset 100% res

I chose this super hard location for the upscalers, since there are many straight lines on the ceiling and a difficult moire pattern.

1+2)
native 4k. . .

Thanks for taking the time to do this. I agree that native is the clear winner here (though 50-60% res is pretty low).

By my eyes, XESS is the worst with FSR2 and DLSS being roughly equal, each looking better or worse in different ways. DLSS looks a little clearer/sharper to me but also has more jaggies and some minor things that look off compared to the original and fsr2, though it could be the different angle. Overall I would probably pick FSR2 just because of the smoother edges and seemingly closer representation to the original.
 
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Saylick

Diamond Member
Sep 10, 2012
3,269
6,752
136
Thanks for taking the time to do this. I agree that native is the clear winner here (though 50-60% res is pretty low).

By my eyes, XESS is the worst with FSR2 and DLSS being roughly equal, each looking better or worse in different ways. DLSS looks a little clearer/sharper to me but also has more jaggies and some minor things that look off compared to the original and fsr2, though it could be the different angle. Overall I would probably pick FSR2 just because of the smoother edges and seemingly closer representation to the original.
Might need to compare frames in motion to see more differences between FSR and DLSS...
 

psolord

Golden Member
Sep 16, 2009
1,982
1,207
136
Here is a dlss vs fsr comparison on Starfield. There are many on Youtube.


The reviewer noticed better image quality in motion for DLSS, but FSR is sharper. I played quite a while with FSR and it seemed pretty good to me, but I will switch to dlss mod for now and see how it goes. Heck I paid for these tensor cores, I will use them! xD

I wish Microsoft puts out an official DX upscaling extention, so all vendors can use it and if Nvidia, Intel and AMD can use their AI cores for it, even better.
 

Aapje

Golden Member
Mar 21, 2022
1,451
1,999
106
You are stuck at thinking that rasterisation, which is in itself is just as fake as frame interpolation, is the only true way to render graphics (and at native resolution only). Ray tracing is the future and it will solve many issues and makes things simpler. Denoisers need to improve but it looks like NVIDIA has pretty much solved that.
What is currently sold as ray tracing IS a rasterized image, but the baked lighting is replaced with a rough approximation of real lighting.

Nvidia is already admitting that what they call ray tracing is flawed and point to path tracing as being better. But path tracing is still not faithful to reality.

In fact, any display technology that we use is fake, in the sense that what is shown isn't actually faithful to reality. The screen on which you are reading this comment doesn't have molecule-level resolution, unlike reality. However, funnily enough our vision is also fake in the sense that our eyes don't actually see what we think we see. For example, it seems to us that we have a large FOV, but in reality we have a very small one. Our eyes are constantly moving around and our brain stitches these images together in a way that makes us feel like we see more than we do.

So with everything around visual perception and technology being fakery, the only reasonable question is what looks better, not what is real.
 
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cmdrdredd

Lifer
Dec 12, 2001
27,052
357
126
My biggest problem with FSR in starfield is the anomalies in certain particle effects like lasers with sparks shooting out. They are jagged and distorted with FSR but clean with DLSS in use.

As an aside I don’t think the game performs that badly overall from a gameplay perspective. The frame rate isn’t always as high as expected but the game doesn’t feel jittery or have any jarring drops that ruin the motion in my experience so far. This is more important than getting 144fps to match my refresh rate for me.
 

psolord

Golden Member
Sep 16, 2009
1,982
1,207
136
A few more tests if anyone's interested.

Daymare 1994 seems interesting, since it features all, dlss, fsr and xess in all their settings. I am testing native vs balanced, since this is my go to solution. Seems ok to me, for the distance I'm playing.

I chose this scene since it has grates on the floor, some lights, one of which passes through the grates, a yellow/black texture on the door with an angle, some cables, a close model (the protagonist) in the foreground, etc, thought there are quite a few things for the upscaler to resolve.

Native 4k 253W


dlss balanced 94W


fsr balanced 80W


xess balanced 102W


First of all, the upscaled results are really good. Fsr and xess retain more color and dlss seems a little washed out. However it is doing better with the fine details of the grates, if you look in distance. xess is also good with the grates and retains the initial color.

The differences between the upscalers are not substantial and all do a very good job. What IS substantial however, is the 150-170W difference, compared to native. The retained image quality is bonkers, for the power draw saved.

You can see that the 4070ti is almost at its max for 4k native. The significant power draw saved, means that the upscalers, open up 4k/dlss/xess/fsr balanced possibilities, for much lower grade cards and that's why I love them.

Also the vram savings are substantial. Xess in particular, saves a whole 2GB vram in this scene. Actually it goes from 8GBs are not enough, to...ahem...8GBs are enough. xD

I find it weird that Xess is consuming the most power, compared to the other upscalers. I mean dlss is supposed to use the tensor cores and these are not running on air I guess? For this static sceme, Fsr is the middle ground in image quality, power draw and vram savings, and for a purely software solution, son I'm impressed.

However I tested motion in this one too. Here's the vid. Same thing, native vs upscalers balanced. (non monetized channel since 2006)


I am not sure if the video can highlight the differences though. It was recorded with an external recorder, which is 1440p/60 capable, but the recording was done on my 2500k which can only do 1080p/60 without stutters. It then was upscaled to 4k for better bitrate.

Anyhoo, again all upscalers are great. fsr more defined, dlss more accurate but somehow I think xess is the better middle ground.
 
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psolord

Golden Member
Sep 16, 2009
1,982
1,207
136
One more comparison for daymare. Native 1080p vs 4k dlss performance meaning 1080p rendering and the upscaled.

native


4k dlss performance



far more detail for dlss and I believe the power draw was the same. I turned off the osd because at 1080p, it was covering everything.
 
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Super Spartan

Member
Aug 1, 2020
108
33
71
Can someone help me understand this upscaling better? Is it like for example, if you have a game that won't run so smooth on a graphics card at a specific resolution, let's say Cyberpunk running at 4K, then with nVIDIA's caling technology you can run it at FHD or QHD resolution but still get a somewhat sharp image unlike when you would just change the resolution manually from the game and get a blurry image? so you get the benefut of rendering at a lower resolution for increased performance yet not have a crappy looking blurry image?
 

VirtualLarry

No Lifer
Aug 25, 2001
56,419
10,095
126
Can someone help me understand this upscaling better? Is it like for example, if you have a game that won't run so smooth on a graphics card at a specific resolution, let's say Cyberpunk running at 4K, then with nVIDIA's caling technology you can run it at FHD or QHD resolution but still get a somewhat sharp image unlike when you would just change the resolution manually from the game and get a blurry image? so you get the benefut of rendering at a lower resolution for increased performance yet not have a crappy looking blurry image?
YES!
 
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psolord

Golden Member
Sep 16, 2009
1,982
1,207
136
Next one is a dlss/dlaa/rt test I did on Trail Out. This one's really interesting, as it shows you the car from the top at an angular perspective, while you select the settings on the left, and instantly see what they do and how they affect performance, power, etc. Vid only this time, with the same recording problem as above, but it couldn't be done otherwise. If you record something like that, with shadowplay, you affect the power readings and the performance.

(Non monetized channel since 2006, just for fun)

Even so, the results are very interesting.

The 4070ti can do:
-4k/60/no rt easily with half its power. (8GBs are enough xD).
-dlaa adds another 20W or so. It also adds some shimmering on the tree.
-dlss quality saves 1/3 of the power and some vram but adds some slight shimmering on the tree
-dlss balanced saves even more, with more shimmering. Only on the tree however. Something weird is going on with its lights, since even dlaa produced shimmering.
-dlss performance is even worse, however aside from the shimmering tree, the rest of the image is ok


the fun starts when you enable rt....
-any rt you enable, doubles the power draw
-only rt ao is playable, the rest go to 30fps or less, at native 4k
-rt full + dlss balanced is the only way it's playable. Also the tree shimmering is less with rt, but still there
-the lighting/shadows and ao with rt, are more correct, but the performance hit is substantial. The game has very good prebaked lighting and since most races take place in broad daylight, it still looks great
 
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psolord

Golden Member
Sep 16, 2009
1,982
1,207
136
And last but not least, a quick Lumen UE5 test in Karagon. I am not sure if this is the correct thread. I mean Lumen is like UE5's RT solution right? So it's not completely off topic.

Anyhoo 4k native only here.

No lumen


Yes lumen, no performance xD


With lumen the game becomes beautiful for sure. It takes one more Gig of vram and drops the performance to 43fps. The card is at its maxest I have ever seen at 273W. Yeah without upscalers, it ain't gonna cut it.

Also I need to test this on the 6600 at 1080p, to see if it belongs to the 8GB enough yes/no club, but the processing power requirements, kinda suggest the 6600 would have bigger problems than the vram. The 3060ti would be interesting though....
 

SteveGrabowski

Diamond Member
Oct 20, 2014
7,030
5,930
136
Can someone help me understand this upscaling better? Is it like for example, if you have a game that won't run so smooth on a graphics card at a specific resolution, let's say Cyberpunk running at 4K, then with nVIDIA's caling technology you can run it at FHD or QHD resolution but still get a somewhat sharp image unlike when you would just change the resolution manually from the game and get a blurry image? so you get the benefut of rendering at a lower resolution for increased performance yet not have a crappy looking blurry image?
Pretty much that. Nvidia's image sharpening algorithm DLSS is quite a bit better than AMD's FSR, and the difference really shows if you're upscaling from say 1080p render resolution. It's not free though, since AMD's cards tend to offer a lot better native resolution performance for the money and not everything has DLSS. FSR is also quite good and close to DLSS quality when upscaling from higher resolutions like 1440p and 1800p while still being a real improvement over native even at 1800p.
 
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Ajay

Lifer
Jan 8, 2001
15,783
7,995
136
Pretty much that. Nvidia's image sharpening algorithm DLSS is quite a bit better than AMD's FSR, and the difference really shows if you're upscaling from say 1080p render resolution. It's not free though, since AMD's cards tend to offer a lot better native resolution performance for the money and not everything has DLSS. FSR is also quite good and close to DLSS quality when upscaling from higher resolutions like 1440p and 1800p while still being a real improvement over native even at 1800p.
1800p??
 

SolidQ

Senior member
Jul 13, 2023
370
385
96
GhostWire: Tokyo
Max setting + RT shadow
Native


FSR1 Ultra Quality


FSR2 Quality


FSR2 > Native > FSR1
I wish if other game have superior impementation like GhostWire
 
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SteveGrabowski

Diamond Member
Oct 20, 2014
7,030
5,930
136
3200x1800. It's the render resolution I usually use for easier to run games like Elden Ring or Yakuza Like a Dragon on my 6700 XT and then use RSR or FSR to upscale to 2160p since I'm running a 4k monitor. Harder games like Cyberpunk or The Last of Us I render 1440p. And then Starfield is so poorly optimized I have to render that one at like 1200p and it looks like crap.
 
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psolord

Golden Member
Sep 16, 2009
1,982
1,207
136
Am I the only one that thinks the textures and the way all of the flora is rendered look like Far Cry 3 era?
Karagon is almost an indie game, from a small dev that also self published. The rendering is quite superior than Far Cry 3. I tested Far Cry 3 very recently and although it still holds its ground very easily, the superior rendering of UE5 shows, even coming from a small dev.

It's the artistic approach and execution, that is far superior in Far Cry 3, due to the immense studio behind it.

There is a demo for anyone willing to give it a try.


You can turn Lumen on and off with an F key. I think it was F5 or F8.
 
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psolord

Golden Member
Sep 16, 2009
1,982
1,207
136
DF has also taken a look on Starfield, regarding DLSS vs FSR2. Very interesting video overall. Worth a watch. Media at relevant time stamp to the thread.

 
Feb 25, 2011
16,801
1,474
126
I think I'm probably like a lot of consumers in that I've heard of them, don't really know what they are, and don't care as long as my games look good.
 

psolord

Golden Member
Sep 16, 2009
1,982
1,207
136
Here's a new test, on High on Life, High on Knife DLC. They added all upscalers, while there were none on the initial release. I had to play the first one at 1440p/ultra on the 3060ti, since it could not do 4k in a convincing way. From what I see here, 4k/60/ultra/upscaler/balanced would be feasible.

Fantastic results from all upscalers. Will try to do a vid next week with all of them. Xess seems to be the best of all. FSR2 again impresses with its low power draw. I mean we are going from 220W to 60W. That's crazy. I swear I don't see the difference from the distance I am playing. I can hear the difference though, as in fan rotation speed!

Vram was not very affected in this one, which is curious. Seems to be ok with 8GBs tho, considering this is 4k. *ahem* xD

4070ti, 4k Ultra preset

Native 4k


4k dlss balanced


4k fsr2 balanced


4k xess balanced
 
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