Quick Note: AMD Shows Off Raytracing on RDNA2
by Ryan Smith on March 19, 2020 5:30 PM EST- Posted in
- GPUs
- AMD
- DirectX 12
- DirectX Raytracing
- RDNA2
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.
Source: AMD
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yeeeeman - Friday, March 20, 2020 - link
They are behind and can't do too much about it until they actually improve the efficiency of the design. GPUs have a power budget of 250W max so even RX5700XT which is made on 7nm maxes this out...while being more of a mid to high-end GPU.CiccioB - Tuesday, March 24, 2020 - link
Wrong, they matched 2017 flagship GPU, GP102.With RDNA2 late this year they are targeting at beating competitor's 2018 flagship GPU.
When 7970 came out AMD had the process node advantage that Nvidia used just few months later. The result are recorded: 3 months later it needed a puny x60 class GPUs to match AMD flagship and that started Nvidia promotion of its tiny chips to higher and higher levels and prices.
AMD is trying to do that again, that is trying to overcome the competition with the use of a better production node. But this time they are so behind that they could not get out an absolute winner even in rasterization. And it's already a dead technology, seen it does not support any of the new features that the new consoles (= new games) will support in a year or two.
While Turing support them, despite costing a bit more (but consuming less on a older PP.. that's absurd!)
DannyH246 - Tuesday, March 24, 2020 - link
@CiccioB - what is your point exactly? AMD is behind? So what? Everyone knows this!!!! Even AMD know it. Wow what a tech savvy guy you are at working out something so glaringly obvious.Now back in the real world - AMD have been cash starved and have had to make do the best they can with what they had. They focused their remaining cash on Zen. And thankfully it saved the company. When Zen came out it wasn't the home run over Intel. But they iterated quickly and brought out Zen+, it still was not quite as good as Intel. But again they iterated quickly and now we have Zen2 which arguably is the best CPU around. Furthermore they are continuing to iterate with Zen3 etc. A similar thing is now happening with Navi. Yes, RDNA 1 isn't as efficient an architecture as Nvidia's, but its better than what they had before and at least gave people more options in the market. However it looks they are iterating quickly just like with Zen. RDNA2 will be out soon and looks to be decent uplift over RDNA1. It will most likely not quite be as good as Nvidia's absolute best but do you think AMD is stopping there?
Having a competitive AMD in CPU & GPU is good for US!!!! Nvidia & Intel have been charging whatever the hell price they like for their respective CPU's & GPU's for years as there was no competition. So, you posting on here "oh its not as good Nvidia's" 2yr old or whatever serves absolutely ZERO purpose unless you work for Nvidia or are paid by them in some way. Anything else just makes you look foolish.
Qasar - Wednesday, March 25, 2020 - link
DannyH246, dont waste your time, he will just reply with insults, more BS and personal options about how much an utter failure navi is, and continue to bash amd's efforts, and praise nvidia, as he hates AMD, that alone should be obvious, no matter what he says. as i have said, he needs to get over himself, and get off his high horse.Quantumz0d - Friday, March 20, 2020 - link
I feel really surprised when people are saying Xbox can outperform 2070S / 1080Ti and RT on top. Its stupid.AMD R&D for RTG is shit. They struggled for a crown GPU since Maxwell, took 3 years to match a 1080Ti which is a GP102 silicon. And on 7nm node vs Nvidia old 12nm / 16nm. Plus the diesize of TU102 754mm2 is insanely big on top of the fact that it has the Tensor for AI. Even on mobiles AMD is shit. Their RX480 GPUs suck a lot of power to 150W and lost to 970M.
Somehow they managed to outperform Nvidia ? Gimme a break. DF is too much positive. Even the shitty Minecraft demo was crap. Running a crappy Gears 5 (read on steam) with some pseudo remastering plus exclusive build on XSX vs 2080Ti is shit. The official benchmark ran on what ? A shitty Zen+ EOL TR processor instead of Ryzen 3700X or 9700K that's a big joke..
Adding the uncore from Zen2 and 2x 4C ccd chips at 80-90mm2 with this new silicon adding the highly inefficient AMD GCN/RDNA2 its not going to beat at all. A 2080Ti ? epic. AMDs shitty Accelerators are crap vs CUDA and on top Nvidia has AI R&D in IoT/Automotive. They spent a whole uArch with costly HBM2 just for Compute, 3 years back. Volta and you guys are assuming AMD beating that goliath ? Add R&D of AMD x86 budget too.
blppt - Friday, March 20, 2020 - link
They might beat an equivalent PC (talking next gen Xbox, right?) in a specific game with 2070/1080ti because of the inherent bump that console coding vs. PC coding automatically gets (because of fixed hardware).Look at RDR2---somehow, they got it to run 4K, 30fps native rendering on an outdated underpowered Jaguar cpu and outdated pre-Vega GPU, and 8GB total available memory on Xbox One X. Example of fixed hardware platform benefits right there.
D. Lister - Friday, March 20, 2020 - link
RDR2 on the XBox1X runs at much lower graphics settings though. 4K isn't enough by itself, you need complex textures and geometry to get any visual benefit out of 2160p, otherwise "4K" is little more than a fancy marketing buzzword to swindle kids and rubes.blppt - Friday, March 20, 2020 - link
I understand that 4k on the X1X is nowheres near "far right slider" on the PC, but when you consider the pathetic CPU and ancient GPU that they got it to run on at 4k native, its still very impressive.Sefem - Saturday, March 21, 2020 - link
It's not really native 4K, some effects (SSAO, volumetric, etc..) use lower resolution buffers and generate visible artifacts, some of the setting are even lower than the lowest available on PC. Comparison aren't so simpleSpunjji - Monday, March 23, 2020 - link
Too much crap to fully debunk, but here's a taste: Vega 56 on laptops equalled the 1070 and RX480/580 equalled the 980M. 🤷♂️