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Posted by Anonym
 - April 23, 2021, 09:50:24
By the way, so that we are clear on my previous comment, the technologies that were launched don't even require RDNA (i.e., they also work on older AMD GPUs). In fact, that is what makes the argument so spotty -- why make such needless claims that the GPU in PS5 is RDNA2 when (1) that may not be true and (2) that's immaterial to the issue at hand?
Posted by Anonym
 - April 22, 2021, 15:58:40
QuoteHowever, PS5 integrates an AMD RDNA2 GPU as well (...)
It does? Are you sure? There is big debate if PS5 is RDNA + custom instructions or RDNA2. What is your source for that claim?
Posted by Bogdan Solca
 - April 21, 2021, 18:54:03
Alright, things are not 100% clear on that part, so I modified it a bit.
Posted by AD4Kay
 - April 21, 2021, 17:28:34
QuoteHowever, PS5 integrates an AMD RDNA2 GPU as well, so it clearly supports whatever Xbox Series X/S supports, but the implementation may take a while longer because the PS5 OS is using different code.

A small correction (allegedly, according to Microsoft. I can't post links, news.xbox post from October 28th 2020) the Xbox Series consoles are the "only" consoles to implement the full suite of RDNA2 features, which is a roundabout way of saying the PS5 GPU is not a fully-featured RDNA2 GPU. I believe their may have even been some close looks at the GPU after a teardown that confirmed that certain things were removed, but I'm not 100% on that.

I don't have an opinion on the matter, but I assume Microsoft had some sort of insider knowledge at the time to make a very clear cut statement like that. I believe that Sony may be using an in-house approach to variable rate shading specifically, mentioned in that pre-launch Cerny ASMR presentation thing.
Posted by Redaktion
 - April 21, 2021, 13:52:15
Game developers can now add image quality and graphics performance enhancing features like Contrast Adaptive Sharpening (CAS), Variable Shading, and ray-traced shadow Denoising for the Xbox Series X/S. AMD's plan to transform the entire FidelityFX suite into a cross-platform standard seems to be working well, although there is no word yet for any PS5 support.

https://www.notebookcheck.net/AMD-enables-certain-RDNA2-FidelityFX-features-on-Xbox-Series-X-S-nothing-for-PS5-yet.533461.0.html