RTX Remix

Path Tracing in Old Games with RTX Remix graphics and performance comparison in 7 Games at 4K DLSS 3.8.10 Quality/Performance + DLSS Ray Reconstruction with Path Tracing and Ultra settings on RTX 4080.


○ 0:00 - GTA San Andreas
○ 1:54 - Need For Speed Underground 2
○ 3:47 - Need For Speed Underground 1
○ 5:41 - Need For Speed Most Wanted
○ 7:33 - Max Payne
○ 9:28 - Portal 2
○ 12:00 - Half-Life Path Tracing Mod (bonus comparison, not actual RTX Remix project)

 
Some are better than others, but Portal 2 looks moody AF and I want to try it.

But holy hell, those framerates! Every single game was sub-60FPS, and quite a few were below 30FPS, and all report playing on an RTX 4080 at ~2800MHz... Yikes!
 
What's actually going on with the geometry / lighting glitches in all those "remixed" titles? It appears to be happening pretty consistently in all of them, that you have either notable flickering in the diffuse channel at some spots about once per second or some wrong vertices that somehow get offset by several pixels. Some of them even periodically, as long as the scene doesn't change.

Artifact from failed ray reconstruction? Or some other post-processing issue? Or is there some cyclic garbage collector reaping the luminosity cache and somehow that results in garbage being used to fill in for the wiped values?

EDIT: No wrong vertices, just reflections in puddles from that that weird animated water shader they all share and even use for puddles... But the flickering in illumination is there.
 
Last edited:
https://www.nvidia.com/en-us/geforce/news/rtx-remix-half-life-2-rtx-demo-launching-march-18/
NVIDIA RTX Remix Officially Released with DLSS 4 and RTX Neural Shaders, Half-Life 2 RTX Playable Demo Available March 18th

Today, we’ve officially released RTX Remix, exiting beta with a host of new capabilities including DLSS 4 with Multi Frame Generation, cutting edge RTX Neural Rendering technologies, and many community-requested changes that will enable modders to improve their remasters, increase image quality, and further accelerate performance.

To demonstrate RTX Remix’s capabilities, Half-Life 2 owners can download a free Half-Life 2 RTX demo from Steam on March 18th, showcasing Orbifold Studios’ work in Ravenholm and Nova Prospekt, ahead of the full game’s release at a later date.
Click to expand...
 
In case anyone couldn't figure it out, those numbers are without DLSS, as confirmed with my own 4090. The demo comes with DLSS 4 Transformer model and framegen enabled; I disabled framegen and was still entirely happy with the >80fps performance on my 3440x1440 120Hz display.

Also you may need to update your driver. I was sitting on version 572.16 which is insufficient to play the game; the demo pops a dialog mentioning the driver issue yet starts the game anyway, which ends up being soft lock on a white screen. Fortunately Windows detected the soft lock and offered to kill the process for me without having to ALT-Tab out to grab it via task manager. Anyway, one driver update later (thanks, NVIDIA app) and it started without issue.
 
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