Quick Note: AMD Shows Off Raytracing on RDNA2by Ryan Smith on March 19, 2020 5:30 PM EST
- Posted in
- DirectX 12
- DirectX Raytracing
With today’s announcement from Microsoft of DirectX 12 Ultimate, both NVIDIA and AMD are also chiming in to reiterate their support for the new feature set, and to note their involvement in the process. For AMD, DirectX 12 Ultimate goes hand-in-hand with their forthcoming RDNA2 architecture, which will be at the heart of the Xbox Series X console, and will be AMD’s first architecture to support DirectX 12 Ultimate’s new features, such as ray tracing and variable rate shading.
To that end, as part of Microsoft’s overall DirectX Developer Day presentation, AMD is showing off raytracing running on an RDNA2 for the first time in public. Running an AMD-built demo they call “Futuristic City”, the demo incorporates DXR 1.0 and 1.1 features, to produce what can only be described as a very shiny demo.
It should be noted that this demo was a recording – as all of the Microsoft dev day presentations were – though there is little reason to doubt its authenticity. AMD also showed off an RT recording a couple of weeks back for Financial Analyst day, and presumably this is the same trailer.
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AshlayW - Thursday, March 19, 2020 - linkOh god my eyes.
blppt - Thursday, March 19, 2020 - linkIts nice and all, but can AMD finally get a GPU out there that can take on Nvidia's best? The RTX2080ti has been around for a year and a half now, and AMD's best is a '1080ti challenging' 5700XT?
Long past due for an AMD flagship gpu.
FreckledTrout - Thursday, March 19, 2020 - linkBig Navi will do it i'm certain of it. Not sure if it will be good enough for the next gen 3080ti but everything we have learned so far it should outperform the 2080ti.
whatthe123 - Thursday, March 19, 2020 - linkI mean if you compare the die size of the 5700xt to the 2080ti, AMD theoretically could have a competitor to the 2080ti by now. For whatever reason (probably keeping profit margin up) they've decided to cap their chips at 5700xt level. Unless RDNA 2 is a complete dud it should pass the 2080ti at least, but they don't seem interested in providing a halo product to compete with nvidia.
nevcairiel - Friday, March 20, 2020 - linkThe current Navi chip couldn't scale up that much if you consider power requirements.
whatthe123 - Friday, March 20, 2020 - linkLower clockspeed + more compute units. 5700 draws significantly less power while not having significantly less fewer shaders, suggesting the frequency contributes a lot to the XT's power draw. There are also reports of XT's running at lower voltage, so binning could also help for a halo product, but that would eat into their margins.
Sefem - Saturday, March 21, 2020 - linkReport? any chip could be undervolted and Turing isn't an exception
whatthe123 - Saturday, March 21, 2020 - linkI never said turing couldn't be undervolted, I said it's possible they could bin chips to try to compete with turing.
Spunjji - Monday, March 23, 2020 - linkYes, whatthe123, but Sefem already had a stock argument ready and they wanted to use it - even though it wasn't relevant. xD
yeeeeman - Friday, March 20, 2020 - linkThe die size of RTX 2080 Ti is taken (by a not insignificant amount) by RT cores and Tensor cores. So, to put it the other way, RTX 2080 Ti GPU would be much closer to RX 5700XT if it weren't for the additional cores.
Anyway, AMD desperately needs some big improvement in efficiency with RDNA2, because TBH, RDNA1 even on 7nm is bad. It has worse efficiency than Turing made on 12nm FFN ...