Discussion RDNA4 + CDNA3 Architectures Thread

[DisEnchantment]

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

 

[RnR_au]

32GB 1H this year...

Don't toy with me...

Edit: a sauce... https://www.notebookcheck.net/RTX-5...n-an-RDNA-4-GPU-with-32-GB-VRAM.959699.0.html

 

[Bryo4321]

Don't toy with me...

Edit: a sauce... https://www.notebookcheck.net/RTX-5...n-an-RDNA-4-GPU-with-32-GB-VRAM.959699.0.html

That really sounds like something for the Radeon pro line.

 

[eek2121]

While we are waiting, throw us some juicy tidbits

I only know what the leaks say, but think “around 7900XTX” and you’ll be more accurate than he. Shoot, RT is quite a bit faster than RDNA3 by itself, which makes his statement inaccurate. Both IPC and clocks are up as well.

That really sounds like something for the Radeon pro line.

Supposedly it is a gaming SKU.

AMD shot themselves in the foot again. A 96CU 32gb part would’ve really won the day.

 

[SolidQ]

256B bus and 32G?

 

[Kepler_L2]

256B bus and 32G?

Clamshell

 

[ToTTenTranz]

Clamshell

If GDDR7 is possible, could it be this part or would it come only later in the year?

 

[MrTeal]

Canadian listings have started popping up. Looks like they got the updated pricing memo. Exchange rate is around 1.44 CAD to 1 USD, prices are pre-tax.

 

[Elfear]

Canadian listings have started popping up. Looks like they got the updated pricing memo. Exchange rate is around 1.44 CAD to 1 USD, prices are pre-tax.
View attachment 116875
View attachment 116876

So in the U.S. maybe $699 and $579 for the 9070XT and 9070 respectively?

 

[GTracing]

Canadian listings have started popping up. Looks like they got the updated pricing memo. Exchange rate is around 1.44 CAD to 1 USD, prices are pre-tax.
View attachment 116875
View attachment 116876

With that exchange rate, the cheapest 9070 is $583 USD, the cheapest 9070 XT is $729 USD.

 

[MrTeal]

So in the U.S. maybe $699 and $579 for the 9070XT and 9070 respectively?

That'd be the direct conversion, at least for the cheapest MSRP models.
Seems like AMD and their AIBs might take the same route as Nvidia with magical launch MSRP pricing and everything else has a +$200 availability tax.

 

[Win2012R2]

If GDDR7 is possible

It's not possible since the target was cheap GDDR6 and therefore memory controller did not need to spend transistors to support it, plus most likely all GDDR7 is bought up by Nvidia this year.

 

[del42sa]

With that exchange rate, the cheapest 9070 is $583 USD, the cheapest 9070 XT is $729 USD.

AMD: "We are listening. Thank you for the constructive feedback!

 

[gaav87]

Canadian listings have started popping up. Looks like they got the updated pricing memo. Exchange rate is around 1.44 CAD to 1 USD, prices are pre-tax.
View attachment 116875
View attachment 116876

When i said i expect 900euro for taichi people laughed here... and red devil is ~1000euro+ so taichi prolly 1050euro+
4080s open box it is let them have 2% mss xD

 

[gaav87]

does canada have 5% vat ?

 

[GTracing]

When i said i expect 900euro for taichi people laughed here... and red devil is ~1000euro+ so taichi prolly 1050euro+
4080s open box it is let them have 2% mss xD

People laughed because you were drawing conclusions about the price from the look of the cooler, not because the 900 euro price point was unrealistic.

 

[gaav87]

People laughed because you were drawing conclusions about the price from the look of the cooler, not because the 900 euro price point was unrealistic.

May be i did maybe i did not.

 

[Dezii90]

I assume the 5070 Ti will have a limited supply, just like the 5080, since both use the GB203 chip. Aibs & amd would want to milk before amdiscounts

 

[GTracing]

I assume the 5070 Ti will have a limited supply, just like the 5080, since both use the GB203 chip. Aibs & amd would want to milk before amdiscounts

Yeah, with how scarce graphics cards are right now, they'll sell out at any price point. If AMD or AIBs don't take the profit then scalpers will.

 

[gaav87]

Canadian listings have started popping up. Looks like they got the updated pricing memo. Exchange rate is around 1.44 CAD to 1 USD, prices are pre-tax.
View attachment 116875
View attachment 116876

what is the shop with this prices ?

 

[linkgoron]

AMD: "We are listening. Thank you for the constructive feedback!

What did you expect them to say?

 

[GTracing]

What did you expect them to say?

They could've said nothing. Then again, this forum would've criticized them for that too.

 

[GTracing]

what is the shop with this prices ?

https://www.canadacomputers.com/en/ though I don't see any 9070 listed there now. So either they took down the listings, or we've been bamboozled, or I don't know how to use a search bar.

 

[Heartbreaker]

AMD: "We are listening. Thank you for the constructive feedback!

When I first saw that response my first thought was, how easy it would be to have a simple AI hand the AMD social media: "We are listening, thanks for the feedback".

Heck, you don't even need AI, just a list of random platitudes that say nothing...

 

[gaav87]

https://www.canadacomputers.com/en/ though I don't see any 9070 listed there now. So either they took down the listings, or we've been bamboozled, or I don't know how to use a search bar.

Some ppl think its the middle part...

 

[ToTTenTranz]

It's not possible since the target was cheap GDDR6 and therefore memory controller did not need to spend transistors to support it, plus most likely all GDDR7 is bought up by Nvidia this year.

I'm pretty sure I read here that RDNA4's PHYs and memory controllers support GDDR7, though it hadn't been tested with that memory because there were no SKUs planned with it.