Lossless Scaling

Lossless Scaling

I see a lot of people trying the dual gpu set up and want to hear there feed back.
So what does it actually do for you that dlss framegen or amd framegen up scaling does not do? Guess from what I am gathering so far is when using nvidia or amd upscale/framegen or even lossless scaling framegen it creates lower base fps and latency? So when using a second gpu it eleminates that or tries to so you keep your base fps over all?
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Dual GPU frame gen doesn't reduce your base frame rate. That's the selling point, imo.

LS frame gen looks worse than DLSS FG - especially on low base frame rates.
LS frame gen adds less latency than DLSS FG. However sending the image to the secondary GPU adds latency. Afaik the end to end lantency of a dual GPU setup with LS FG is slightly higher than DLSS FG.
Originally posted by Wundsaltz:
Dual GPU frame gen doesn't reduce your base frame rate. That's the selling point, imo.

LS frame gen looks worse than DLSS FG - especially on low base frame rates.
LS frame gen adds less latency than DLSS FG. However sending the image to the secondary GPU adds latency. Afaik the end to end lantency of a dual GPU setup with LS FG is slightly higher than DLSS FG.

Ya I was curious about that cause going to a second gpu I was wondering would cause that extra delay. Unless the bring back sli or something with that little adapter bridge. That would be cool. I might still do the dual gpu though. Been doing Framepack AI video and guess a second gpu can increase a 1 second video process much faster. Just need to figure out how to set that stuff up.
Yeah, It'd be cool to have a faster interface between GPUs again... It'd probably be useful for AI too, so here's hoping.

Personally I really like LS FG in dual GPU configuration (RTX 5070 Ti primary, RX 5500 XT secondary). 83 locked base FPS + 2x FG to max out my 165 Hz display. I wouldn't use this in competitive shooters though, where latency matters.

I've also tested the RX 5500 XT as a primary with a GTX 770 secondary on an old LGA 1366 board. Both the primary GPU and the 15 year old x5680 CPU are too weak to run UE5 games with 60+ FPS, but they can still manage stable 40+ base FPS at decent settings which is borderline playable and looks surprisingly good with 2x frame gem to yield 80 FPS.
The problem with LS on a single GPU is that it doesn’t always fully load the graphics card to 100%, which often leads to situations where, for example, in Cyberpunk with DLSS FG I get 120 FPS, but with LS only 100.

As for a dual-GPU setup, I bought a 6500 XT early this summer specifically for this purpose, and I’m completely satisfied. For me, the ideal quality-to-performance ratio is DLSS Performance at 1440p + LS x3 (55 × 3 = 165 Hz), paired with FSR Performance and sharpness set to 8 (FSR basically runs at native resolution, simply boosting image clarity).

You can go even deeper into this “mad scientist” stuff: for a 240 Hz monitor, you could do 120 FPS using DLSS FG and then multiply it by 2 on the second GPU to get great quality with a high framerate)
Few words from me, tested mostly in The First Descendant game on UE5 engine.
RTX 3070 main GPU, 1650... something second GPU.
Only 3070 without DLSS in game i had around 80FPS with around 60 degree on GPU.
3070 + 1650 as an upscaler I have that 80 FPS + x2 or, what I use, x1,5 FPS from the LS and I still have around 60 degree on GPU. Slightly higher temperature, because 3070 is 2,5 slot, so only 0,5 slot space for cooling the 3070 (sucking the air or I dont know how to describe it).
It works. During the combat, when there is a lot on the screen, I can see some weird stuff sometimes. This is just upscaling. But I really like it and appreciate the work

The only downside for me is playing in VR. I have my left display plugged to 1650 where I upscale games, and right display plugged straight to the 3070 so I can see it through the VR gogles. Im not good enough to make it work other way.
Originally posted by Adikos:
Few words from me, tested mostly in The First Descendant game on UE5 engine.
RTX 3070 main GPU, 1650... something second GPU.
Only 3070 without DLSS in game i had around 80FPS with around 60 degree on GPU.
3070 + 1650 as an upscaler I have that 80 FPS + x2 or, what I use, x1,5 FPS from the LS and I still have around 60 degree on GPU. Slightly higher temperature, because 3070 is 2,5 slot, so only 0,5 slot space for cooling the 3070 (sucking the air or I dont know how to describe it).
It works. During the combat, when there is a lot on the screen, I can see some weird stuff sometimes. This is just upscaling. But I really like it and appreciate the work

The only downside for me is playing in VR. I have my left display plugged to 1650 where I upscale games, and right display plugged straight to the 3070 so I can see it through the VR gogles. Im not good enough to make it work other way.


I also have an EVGA 3070 8GB and was curious to how this all works.. I have an MSI 2060S 8GB in my 2nd system I was thinking about experimenting with.

I mostly just play everything in 1440p and really no issues for my desired graphic settings, I occasionally play a few games on my cheap 50" 4K TCL television and have never had any issues.. but those games aren't super demanding. Referring to the FF7 Remake Part I and 2, I think I played the 1st with my old 1660GTX in "4K" on my TV years back and it was fine.

Few newer games like Hogwarts Legacy, GoW Ragnorak, Tony Hawk Remastered 3/4, and a few others.. and they all play fine if I tone them down a bit. I wouldn't try to play Cyberpunk or Doom Dark Ages that way though hehe.

Just curious it seems neat and maybe I could pop my settings up a bit in a few games lol.. But I am pretty certain I'll just be buying a new GPU come X-Mas or shortly after the holidays.
A little misinformation here.

Because, all of the frame generation compute is being done on a second GPU. Frames will go up by 4-6 fps depending on the game(and base GPU) This will also make the latency a little lower because of the higher base fps
4080 super + 3060 ti + locked 60 or 75 fps + mixture of x2 x3 LSFG
5070 + 3080 + locked 55 or 60 fps + x2 LSFG

we can't game without it anymore in most games, after I got the dual setup going. The smooth gameplay and practically stable FPS makes even in game FG looks bad like Ark Ascended has fixed DLSS FG and while fps does increase, it's up and down 90 to 111 for example. LS I can lock both PCs to 55 x2 and glance over every once in awhile and rarely see it dip.

Also use it in Planetside and still getting more kills than deaths whenever I play!

I do not notice the latency if is higher than without. My gameplay remains unchanged in all the games I use it in! However I'm not super into needing/wanting the lowest latency and I don't want to ruin my eye to click like lossless scaling ruined my stutter to butter fps in shows.. games.. movies.. :Johnny2: it's magical

I watched the walking dead and couldn't believe it, even with the occasional artifact I couldn't watch with it off or I'd see this hitchy movement I never noticed before.

Minecraft with shaders is a game changer here which is what I got it for to see if it actually made a difference and oh, does it work very well. 30 to 50 fps and noticeable hitches turned into locked 45 x2 smoothness.
Originally posted by Josh:
4080 super + 3060 ti + locked 60 or 75 fps + mixture of x2 x3 LSFG
5070 + 3080 + locked 55 or 60 fps + x2 LSFG

we can't game without it anymore in most games, after I got the dual setup going. The smooth gameplay and practically stable FPS makes even in game FG looks bad like Ark Ascended has fixed DLSS FG and while fps does increase, it's up and down 90 to 111 for example. LS I can lock both PCs to 55 x2 and glance over every once in awhile and rarely see it dip.

Also use it in Planetside and still getting more kills than deaths whenever I play!

I do not notice the latency if is higher than without. My gameplay remains unchanged in all the games I use it in! However I'm not super into needing/wanting the lowest latency and I don't want to ruin my eye to click like lossless scaling ruined my stutter to butter fps in shows.. games.. movies.. :Johnny2: it's magical

I watched the walking dead and couldn't believe it, even with the occasional artifact I couldn't watch with it off or I'd see this hitchy movement I never noticed before.

Minecraft with shaders is a game changer here which is what I got it for to see if it actually made a difference and oh, does it work very well. 30 to 50 fps and noticeable hitches turned into locked 45 x2 smoothness.

I hear ya man. I finally got a 5060 ti 16g and using my old 3060 12g as the second gpu. Most games I run specially games with framegen in mind it definitely does better for sure. I just did Monster Hunter Wilds and Arc Raiders and when using Nvidia or AMD framegen it usually robs me about 10 fps but with the dual gpu set up that does not happen and also free's up more vram on my main card which I actually don't need lol. There are a few games though I can feel the latency but usually it's older games like 7 days to die when using framegen. Upscaling of course no issue but most older games I don't use lossless scaling anyways. Only time I am finding a issue at the moment is with POE2. For some reason even after telling windows and nvidia to make the 5060 ti the main gaming card POE2 keeps it on the 3060 12g no matter what. Unless I plug my 5060 ti into a second monitor than I can tell poe2 to use that than drag the game windows onto my main screen which is a funky way of getting it to work.
Originally posted by clumzylerch3000:
I can feel the latency but usually it's older games like 7 days to die when using framegen.

I don't notice any problem in 7 days to die, like minecraft it made the game smoother to the eye, especially in huge cities (I run 100+ tile cities) I never did try horde night though. Haven't opened the game since they limited hordes to 32 for groups of 2 or more that are near each other.
dual gpu is working well for me
Originally posted by Josh:
Originally posted by clumzylerch3000:
I can feel the latency but usually it's older games like 7 days to die when using framegen.

I don't notice any problem in 7 days to die, like minecraft it made the game smoother to the eye, especially in huge cities (I run 100+ tile cities) I never did try horde night though. Haven't opened the game since they limited hordes to 32 for groups of 2 or more that are near each other.

Well its only when I use framegen on mouse and keyboard. I don't need framegen but just been testing and goofing off with settings. Ill go back to it because it was one of the first games before I tweak some setting's in lossless. Now I am curious lol.
Originally posted by clumzylerch3000:
So what does it actually do for you that dlss framegen or amd framegen up scaling does not do? Guess from what I am gathering so far is when using nvidia or amd upscale/framegen or even lossless scaling framegen it creates lower base fps and latency? So when using a second gpu it eleminates that or tries to so you keep your base fps over all?
I get a little lower latency, and no performance drop from Lossless Scaling taking up GPU resources.
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Date Posted: Oct 30, 2025 @ 5:33am
Posts: 13