Discussion RDNA4 + CDNA3 Architectures Thread

DisEnchantment · Mar 23, 2022

With the GFX940 patches in full swing since first week of March, it is looking like MI300 is not far in the distant future!
Usually AMD takes around 3Qs to get the support in LLVM and amdgpu. Lately, since RDNA2 the window they push to add support for new devices is much reduced to prevent leaks.
But looking at the flurry of code in LLVM, it is a lot of commits. Maybe because US Govt is starting to prepare the SW environment for El Capitan (Maybe to avoid slow bring up situation like Frontier for example)

See here for the GFX940 specific commits

History for llvm/lib/Target/AMDGPU - llvm/llvm-project

The LLVM Project is a collection of modular and reusable compiler and toolchain technologies. - History for llvm/lib/Target/AMDGPU - llvm/llvm-project

github.com

Or Phoronix

More AMD "GFX940" Enablement Work Landing In LLVM - Phoronix

www.phoronix.com

There is a lot more if you know whom to follow in LLVM review chains (before getting merged to github), but I am not going to link AMD employees.

I am starting to think MI300 will launch around the same time like Hopper probably only a couple of months later!
Although I believe Hopper had problems not having a host CPU capable of doing PCIe 5 in the very near future therefore it might have gotten pushed back a bit until SPR and Genoa arrives later in 2022.
If PVC slips again I believe MI300 could launch before it

This is nuts, MI100/200/300 cadence is impressive.

Previous thread on CDNA2 and RDNA3 here

Question - Speculation: RDNA3 + CDNA2 Architectures Thread

Man I have been dying to make this one for a while now. First rumours for RDNA3 are here so new thread time! Just going to start off with this one for now: kopite7kimi on Twitter: "@VideoCardz Ah, I mean a simple mcm design with 10240 cores is not enough. Because the lift from RDNA2 to RDNA3...

forums.anandtech.com

jpiniero · 2025-06-06T08:55:34-0400

Abwx said:
JPR survey involve only a few OEMs, something like 4-5.

I have no idea why you would think that. There's only a handful of AIBs, and PNY makes the nVidia FE.

Besides, if it was a survey of OEM usage, it'd be 100% nVidia.

Vikv1918 · 2025-06-06T09:39:37-0400

Is the amazing availability of 9060 XT 16GB at MSRP a good thing or a bad thing? Does it mean demand is not as high as 9070 series which was immediately sold out? Or does it mean that supply was actually good this time?

soresu · 2025-06-06T09:40:18-0400

igor_kavinski said:
Wow. The box is REALLY attractive!

Don't throw it away!

We don't throw boxes away for anything PC related that costs more than £200.

It's just not sensible when you could end up needing to send it back/RMA or something.

It also makes the ideal place to put your old card in if the box got misplaced.

soresu · 2025-06-06T09:42:04-0400

Vikv1918 said:
Is the amazing availability of 9060 XT 16GB at MSRP a good thing or a bad thing? Does it mean demand is not as high as 9070 series which was immediately sold out? Or does it mean that supply was actually good this time?

Considering the furious sales of 9070 series it's likely that many people who might have bought a 9060 series just pulled the trigger on something more expensive, or even nVidia users sick of their ways when combined with AMD finally bringing home the ML based FSR bacon.

soresu · 2025-06-06T09:43:54-0400

SolidQ said:
Would be interesting to see next quarter, after RDNA4 launch

but -7% in one quarter?

They were late bringing 9070 series, and later still with 9060 series.

Caution to inform their own stratefy has its price, but the Q2 results will probably look a lot better.

GodisanAtheist · 2025-06-06T10:27:47-0400

Vikv1918 said:
Is the amazing availability of 9060 XT 16GB at MSRP a good thing or a bad thing? Does it mean demand is not as high as 9070 series which was immediately sold out? Or does it mean that supply was actually good this time?

-The eternal question. Follow this guidance:

If you hate [Insert GPU Maker Here], then poor supply or low sales.

If you love [insert GPU Maker here], then incredible availability.

jpiniero · 2025-06-06T10:47:58-0400

Vikv1918 said:
Is the amazing availability of 9060 XT 16GB at MSRP a good thing or a bad thing? Does it mean demand is not as high as 9070 series which was immediately sold out? Or does it mean that supply was actually good this time?

The MSRP was a one day thing. Somewhat of a surprise though, the rebate must have only been $40 since there are 16 GB cards at $389.

There are still some 8 GB cards available at $299.

MrTeal · 2025-06-06T10:49:41-0400

FWIW in Canada MSRP 9060 XT's and Switch 2's are instock and ready for purchase. 9060 XT seems pretty popular, supply just seems to be there now.

DAPUNISHER · 2025-06-06T11:21:39-0400

GodisanAtheist said:
-The eternal question. Follow this guidance:

If you hate [Insert GPU Maker Here], then poor supply or low sales.

If you love [insert GPU Maker here], then incredible availability.

Option 3: You don't have an oversized amygdala and can employ logic. Hence, you combine the available data and anecdotal evidence to make a best guess.

I don't know how any of these goofy goobers think they are effecting anything with their gaslighting nonsense. Main character syndrome I surmise. Because no one gives a 💩 about the rantings of some rando with zero street cred.

GodisanAtheist · 2025-06-06T11:45:15-0400

DAPUNISHER said:
Option 3: You don't have an oversized amygdala and can employ logic. Hence, you combine the available data and anecdotal evidence to make a best guess.

I don't know how any of these goofy goobers think they are effecting anything with their gaslighting nonsense. Main character syndrome I surmise. Because no one gives a 💩 about the rantings of some rando with zero street cred.

- This is how I know you're a regular on the TPU forums.

ToTTenTranz · 2025-06-06T11:48:01-0400

I wish I could find a small 16GB 9060XT that would fit my travel-friendly eGPU box and replace my current RTX3060 12GB, but I can only find 8GB models in that form factor.

Abwx · 2025-06-06T12:29:44-0400

jpiniero said:
I have no idea why you would think that. There's only a handful of AIBs, and PNY makes the nVidia FE.

Besides, if it was a survey of OEM usage, it'd be 100% nVidia.

They count numbers from HP, Lenovo, Dell, Asus, MSI and that s about all.

Rigg · 2025-06-06T14:40:16-0400

Timorous said:
10% behind probably TPU but compared to the other reviews I have seen they seem like an outlier.

W1zard's relative performance charts are completely borked in comparison to the average FPS chart on all of the 9060 XT reviews. Someone pointed this out in the Asus Prime OC review when they noticed the positioning relative to the 3070. W1z responded and said that TLOU crashing is throwing this off. That response didn't really make any sense to me since the average FPS and relative performance charts should directly correlate. At least according to the description in the relative performance section of the reviews.

It looks like the TLOU results aren't counted in the relative performance chart but are factored into the average FPS chart. The 1080P RP chart shows 4-5% advantage for the 5060 Ti while the FPS charts shows a 10-11% advantage. Apparently this wasn't worthy of mentioning in the review anywhere though. I'm not sure how he couldn't get a valid result in TLOU either. HUB was able to test this game without issue. His sycophants on the TPU forum seem to hold his data in pretty high regard. I really don't get it.

jpiniero · 2025-06-06T15:01:10-0400

Newegg sold a 9070 XT for just over MSRP this morning. NIS had it at 1 minute, 5 minutes and 5 minutes.

GodisanAtheist · 2025-06-06T15:14:24-0400

Rigg said:
W1zard's relative performance charts are completely borked in comparison to the average FPS chart on all of the 9060 XT reviews. Someone pointed this out in the Asus Prime OC review when they noticed the positioning relative to the 3070. W1z responded and said that TLOU crashing is throwing this off. That response didn't really make any sense to me since the average FPS and relative performance charts should directly correlate. At least according to the description in the relative performance section of the reviews.

It looks like the TLOU results aren't counted in the relative performance chart but are factored into the average FPS chart. The 1080P RP chart shows 4-5% advantage for the 5060 Ti while the FPS charts shows a 10-11% advantage. Apparently this wasn't worthy of mentioning in the review anywhere though. I'm not sure how he couldn't get a valid result in TLOU either. HUB was able to test this game without issue. His sycophants on the TPU forum seem to hold his data in pretty high regard. I really don't get it.

- Counter Strike messes up the average FPS chart.

Relative Performance uses a geomean to smooth outliers, while average FPS is a straight arithmetic average and gives the 200 vs 300 FPS AMD vs Nvidia counterstrike numbers outsized influence on the total average, despite CS being plenty playable at both 200 and 300 FPS.

Rigg · 2025-06-06T15:49:11-0400

GodisanAtheist said:
- Counter Strike messes up the average FPS chart.

Relative Performance uses a geomean to smooth outliers, while average FPS is a straight arithmetic average and gives the 200 vs 300 FPS AMD vs Nvidia counterstrike numbers outsized influence on the total average, despite CS being plenty playable at both 200 and 300 FPS.

That makes more sense. He should really explain that better in the relative performance chart description.

marees · 2025-06-06T17:17:19-0400

marees said:
Check this (this is about 16gb)

https://twitter.com/x/status/1930505111740023102

NDAs based on price is pretty weird. Especially when all the msrps are fake

https://twitter.com/x/status/1931093992789381371

soresu · 2025-06-07T09:04:56-0400

ToTTenTranz said:
I wish I could find a small 16GB 9060XT that would fit my travel-friendly eGPU box and replace my current RTX3060 12GB, but I can only find 8GB models in that form factor.

View attachment 125022

There are both 2 and 3 fan SKUs of the 16 GB version.

DAPUNISHER · 2025-06-07T09:36:54-0400

On an unrelated note: Got the VPN issues sorted in Bazzite. Never going to replace windows if our apps don't work as easily. In my case it was because of Fedora; Ubuntu would have been a cake walk. I'll link a video of a 5600 with 3060 tie and 6650XT in Linux and windows. I am committing to Bazzite today on my 5600X3D+RX 6800 system. I will try another distro later. As another gripe I have with it thinking I am on Steam Deck is needing a game launcher command to override steam deck settings in some games, so I can access them. Fallout 4 did this yesterday. AMD users on windows 10 need to seriously consider dumping MS and going Linux for gaming. If a filthy casual like me is recommending it, then we are there/have arrived.

Dom has a good 9060XT 16GB review. Of course it is on their OG written site if you want to peruse every graph.

Here is how Linux improves AMD gaming vs Nvidia. The difference in 1% lows in Wukong are sick; 33% at 1440 👀

One more SS of Radeon on Linux and I'll stop being "THAT guy"

soresu · 2025-06-07T10:27:21-0400

DAPUNISHER said:
Got the VPN issues sorted in Bazzite. Never going to replace windows if our apps don't work as easily

This sooooo much.

I see Linux gaming just getting better and better under Valve's watchful eye - and I really want to pull that trigger, but it seems like their attention on regular Windows apps is almost non existent.

Which is sad, because if anyone in the PC space could pull off a mass exodus to Linux it would probably be Valve (short of MS themselves turning Windows into a proprietary compatibility layer on top of Linux of course).

DAPUNISHER · 2025-06-07T10:55:33-0400

soresu said:
This sooooo much.

I see Linux gaming just getting better and better under Valve's watchful eye - and I really want to pull that trigger, but it seems like their attention on regular Windows apps is almost non existent.

Which is sad, because if anyone in the PC space could pull off a mass exodus to Linux it would probably be Valve (short of MS themselves turning Windows into a proprietary compatibility layer on top of Linux of course).

I think it is more me choosing Bazzite. PIA says "Requires Ubuntu 18.04+, Mint 19+, Arch, Debian" You just have to work to install it on Fedora.

Larkin isn't the only place I am seeing Radeon perform better in Linux either. You can always dual boot.

mostwanted002 · 2025-06-07T11:14:59-0400

Waiting for W9700 pricing. (Hoping+Coping for it to not be insane)

gdansk · 2025-06-07T11:27:49-0400

mostwanted002 said:
Waiting for W9700 pricing. (Hoping+Coping for it to not be insane)

Why would it be sane? Have any of the W series cards had sane pricing?
AMD Radeon Pro W7800 -- also 32GB - were $2000+.

mostwanted002 · 2025-06-07T14:48:27-0400

gdansk said:
Why would it be sane? Have any of the W series cards had sane pricing?
AMD Radeon Pro W7800 -- also 32GB - were $2000+.

Because compute-wise, it isn't flagship. I'm expecting up to a $1000 premium over standard 9070XT for double VRAM and "PRO" SKU segmentation/support. So $1500-1600?
(Edit: Also the benchmark numbers on slides were against 5080)

gdansk · 2025-06-07T15:08:52-0400

mostwanted002 said:
Because compute-wise, it isn't flagship. I'm expecting up to a $1000 premium over standard 9070XT for double VRAM and "PRO" SKU segmentation/support. So $1500-1600?
(Edit: Also the benchmark numbers on slides were against 5080)

The W7800 32GB is not the flagship either... W9700 will not be reasonably priced.

Discussion RDNA4 + CDNA3 Architectures Thread

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