Radeon RX 6800 XT performs half as good compared to RTX 3080 in Vulkan Ray Tracing tests
You've been able to read our many Radeon RX 6800 reviews, where we noted that DirectX Raytracing performance does lack quite a bit compared to NVIDIA"s the latest generation. However, VULKAN just started supporting raytracing as well.
The Khronos Group released an extension for the use of Ray Tracing with Vulkan. Vulkan is an open source API that traces way back towards AMD's own Mantle API if you can remember it. Somewhat a solution or alternative to OpenGL. However, the Ray Tracing extension for Vulkan relies heavily on the VK_NV_ray_tracing extension that Nvidia worked hard to support RT on Vulkan. Some early testing has been performed, and that paints a rather red picture for AMD's Radeon 6800 XT. Testing was performed in Quake II RTX, which uses a full path tracer to render for its non-complicated 1997 geometry.
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Senior Member
Posts: 3395
Joined: 2007-05-31
As i have already said even a RTX 3090 doesn't do proper RT... We are still in early debut of this render for lambda consumer.
So i would take this info with some added points:
- Quake RT: have being possible only with NVidia financement.
- Vulkan is (sadly) a next dead standard. M$ eaten too much market share

- NV RT use it own tech wich is more effective for now... But the standard will be DXR and it will end like NVidia's PhysX ( again M$ eaten too much market share

Senior Member
Posts: 2997
Joined: 2003-05-13
Once I saw Quake II, I figured it's an nVidia RTX sponsored/involved game, so not surprised that it'd suck on AMD cards......NOT saying that AMD would be good at RT in the first place.
Senior Member
Posts: 4991
Joined: 2020-08-03
Maybe im wrong. I though i played quake 2 as a child.
Didnt had the shiny walls though.

played q2 rtx
had real time reflections,dynamic ray traced shadows and ray traced GI,most textures and materials were reworked.
pretty nice,tbh I never saw dynamic shadows work that good in any fps I played.stunning.the way all those modern games make shadows hard and crisp but hardly moving is a travesty to gaming.
2070S was sluggish at 1440p tho,but I figure if 3080 is doing 80 then a 3070 will be good for 60.
Senior Member
Posts: 1307
Joined: 2011-01-11
Not sure where you're getting blurry performance from DLSS....
Digital Foundry even complements the implementation of it due to how it actually makes the games look better.
And yeah real light from the sun is bright... Game looks seriously better with the shtuff turned on. Opinions aside.
And yeah whoever thought full on ray tracing wasn't taxing on a system?!?
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Posts: 62
Joined: 2018-08-22
I like RT cyberpunk. For me its not blurry. I dont know if its because you are running it too long an option. I am in quality and its fantastic. Sure its not DLSS that makes it blurry? Because its rendered at a lower resolution and upscaled. But that is the whole point. DLSS is suppose to give more FPS not better image.