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PlayStation 6 to utilize AMD's 3D stacked chips; AMD UDNA Flagship GPU revived for 2026, Zen 6 Halo with 3D stacking technology, and Zen 6 all on TSMC

PaintTinJr

Member
Matrix was shot in Sydney Australia.

Perhaps code name is Sydney.
Surely in that scenario the code name would be: Smith or Agent Smith - as farmerboy said previously - no? As Sydney isn't part of the Matrix's codename lexicon options AFAIK.
 
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jm89

Member
It's not console related.
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HBM is a pipe dream.

GDDR7 will be fast and cheap in 2027-2028:



3GB chips and each one (32-bit) will offer 144 GB/s of bandwidth.

@Panajev2001a It seems 32GB RAM is out of the question (not possible to divide 32GB with 3GB), but 24GB is a possibility with 256-bit bus. Each new console generation will offer even smaller memory increase (no longer 16x increases like the PS3/4 did).

384-bit bus (36GB) also seems highly unlikely (XBOX ONE X is the only exception)... Sony is not going to eat up manufacturing costs. Only Kutaragi would do that.

An uber console would offer 512-bit bus (like RTX 5090) and over 2TB/s with 48GB RAM, but only RTX 6090 will offer that.
Wait, what did I miss? 32GB not possible using GDDR7? But the 5090 has that so there are 4GB chips out there.
 

Allandor

Member
Stacked 3d Cache wouldn't make sense in a console. Much to expensive. Only if they need more Die area for the cooling, something like big caches would make sense.

Hmm is a pipedream because it is even more expensive. By the time the ps6 is out, gddr8 should be the norm.

Also gddr7 allows 3gb chips on 32 bit interface. But there are still the conventional chips.
 

moogman

Member
Stacked 3d Cache wouldn't make sense in a console. Much to expensive. Only if they need more Die area for the cooling, something like big caches would make sense.

Hmm is a pipedream because it is even more expensive. By the time the ps6 is out, gddr8 should be the norm.

Also gddr7 allows 3gb chips on 32 bit interface. But there are still the conventional chips.
It probably depends on performance levels versus the next tier up. Looking at AMD chips, AM4 is beginning to show its age apart from the X3D chips which basically added another gen in performance levels. They could potentially use a cheaper node with 3D cache to make-up performance and end up with a good cost.

With a console it's better as games can be designed to have major gameplay loops small enough to fit in the cache rather than it being hit and miss like it is on PC.
 
Stacked 3d Cache wouldn't make sense in a console. Much to expensive. Only if they need more Die area for the cooling, something like big caches would make sense.

Hmm is a pipedream because it is even more expensive. By the time the ps6 is out, gddr8 should be the norm.

Also gddr7 allows 3gb chips on 32 bit interface. But there are still the conventional chips.
They can put it on top of GPU and CPU.. Also AMD's general Halo APUs seem to be going that route.

There's much we don't know about UDNA and the overall Project Amethyst
 
Wait, what did I miss? 32GB not possible using GDDR7? But the 5090 has that so there are 4GB chips out there.
RTX 5090 has 512-bit bus, while consoles have never exceeded 384-bit (Xbox One X, which is an outlier).

Sony has stuck to 256-bit for 2 generations in a row. At best you can expect 24GB with 3GB chips.

With a console it's better as games can be designed to have major gameplay loops small enough to fit in the cache rather than it being hit and miss like it is on PC.
Source?

Modern game executables are compiled in x86-64, which has the same code footprint on both PCs and consoles.

We're talking about 50-60MB *.exe files (yeah, open world code is quite complex) and the PS5 CPU only has 8MB L3 cache (vs 32MB on desktop Zen 2)...

There's no way PCs have more cache misses vs consoles (that includes the iGPU, which only has 4MB vs double-digit amounts in Ada/Blackwell and RDNA2/3/4).
Unpopular take here

Despite what they've talking, there won't be a ps6, moore law is dead, I'll be very expensive if the they do and wouldn't sell, like the ps5 pro but even worse
PS6 will happen, but:

1) It will have 2 SKUs (XBOX Series style). $450 vs $900 (without a Blu-Ray drive).

2) It won't be raster-heavy (Cerny has already tried to tame expectations by using the term "flopflation"). No more Teraflop system wars (XBOX is semi-dead either way).

FP32-wise don't expect a huge bump over PS5 Pro.

PS6 lite will likely have the same raster power and they will tout AI tech everywhere (enhanced PSSR -closer to FSR4 perhaps-, neural texture compression, AI frame generation + latency reduction etc.)

It will be more of a refinement (PS5 Pro Ultra) than a new generation and the cross-gen period will be even longer than ever before (2030+), especially with Switch 2 on the horizon.

Don't say you haven't been warned...
 

moogman

Member
Source?

Modern game executables are compiled in x86-64, which has the same code footprint on both PCs and consoles.

We're talking about 50-60MB *.exe files (yeah, open world code is quite complex) and the PS5 CPU only has 8MB L3 cache (vs 32MB on desktop Zen 2)...

There's no way PCs have more cache misses vs consoles (that includes the iGPU, which only has 4MB vs double-digit amounts in Ada/Blackwell and RDNA2/3/4).
I was saying what would happen if consoles started using 3d cache. They would start optimising for the new cache limit, whereas at the moment on PC it's a bit hit and miss from game to game as they're not optimised specifically for the extra cache. That's why some games run way quicker, and some are pretty much unaffected by the extra cache.

If consoles started using 3d cache, all games would be optimised for it which would also benefit PC.
 

Zacfoldor

Member
We still need time with the pro, need 2+ years before we start looking at replacement, so I figure no new replacement until late 2027 or 2028, but who knows.
 
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I was saying what would happen if consoles started using 3d cache. They would start optimising for the new cache limit, whereas at the moment on PC it's a bit hit and miss from game to game as they're not optimised specifically for the extra cache. That's why some games run way quicker, and some are pretty much unaffected by the extra cache.

If consoles started using 3d cache, all games would be optimised for it which would also benefit PC.
Quite the opposite: with a bigger cache, less optimization is needed.

Optimization means making the code smaller...

AMD never said 3D V-Cache requires optimization. It's just a way to reduce DRAM transfers.

Same thing with big caches in GPUs. The driver does all the job.
 

Landr300

Neo Member
RTX 5090 has 512-bit bus, while consoles have never exceeded 384-bit (Xbox One X, which is an outlier).

Sony has stuck to 256-bit for 2 generations in a row. At best you can expect 24GB with 3GB chips.


Source?

Modern game executables are compiled in x86-64, which has the same code footprint on both PCs and consoles.

We're talking about 50-60MB *.exe files (yeah, open world code is quite complex) and the PS5 CPU only has 8MB L3 cache (vs 32MB on desktop Zen 2)...

There's no way PCs have more cache misses vs consoles (that includes the iGPU, which only has 4MB vs double-digit amounts in Ada/Blackwell and RDNA2/3/4).

PS6 will happen, but:

1) It will have 2 SKUs (XBOX Series style). $450 vs $900 (without a Blu-Ray drive).

2) It won't be raster-heavy (Cerny has already tried to tame expectations by using the term "flopflation"). No more Teraflop system wars (XBOX is semi-dead either way).

FP32-wise don't expect a huge bump over PS5 Pro.

PS6 lite will likely have the same raster power and they will tout AI tech everywhere (enhanced PSSR -closer to FSR4 perhaps-, neural texture compression, AI frame generation + latency reduction etc.)

It will be more of a refinement (PS5 Pro Ultra) than a new generation and the cross-gen period will be even longer than ever before (2030+), especially with Switch 2 on the horizon.

Don't say you haven't been warned...
That can happen but If they do not show the difference that "a console for AI" can do people simple wont buy, they can't expect to make a console with the objective of make the devs lives easy and forgot about the people who pay for all this, AKA the consumers
 
Why are people even asking or excited for a PS6? Haven't we figured out already it isn't the actually hardware (Consoles and PCs) it is the developers not actually doing their jobs. High budgets and still sending out games that aren't optimized. Chasing graphics mean nothing when we have all of these "modes" to choose from anyways. Focus on making games actually run at a consistent stability with a timely release.

I don't even want to hear about the next system. When you games that aren't even that demanding being enjoyed by millions anyways. These teams need to seriously do better, lol.
 

moogman

Member
Quite the opposite: with a bigger cache, less optimization is needed.

Optimization means making the code smaller...

AMD never said 3D V-Cache requires optimization. It's just a way to reduce DRAM transfers.

Same thing with big caches in GPUs. The driver does all the job.
The issue happens all the time at the moment, hence some games / engines not getting the performance increases out of 3D cache that other games do. It's about using the extra cache well and for the right code segments. If they go over the increased available cache there's no benefit and you can see that in the benchmarks. By optimisation I'm not talking about making the code smaller by the way, it's sending the right code segments into the cache rather than pools of large one-use code chunks which have no impact on performance.

Digital Foundry did a decent video on it, and how ideally developers can optimise what goes into the cache to get the benefit. Ideally the continuously used code would be permanently in cache and the rest sent to DRAM.
 
The issue happens all the time at the moment, hence some games / engines not getting the performance increases out of 3D cache that other games do. It's about using the extra cache well and for the right code segments. If they go over the increased available cache there's no benefit and you can see that in the benchmarks. By optimisation I'm not talking about making the code smaller by the way, it's sending the right code segments into the cache rather than pools of large one-use code chunks which have no impact on performance.

Digital Foundry did a decent video on it, and how ideally developers can optimise what goes into the cache to get the benefit. Ideally the continuously used code would be permanently in cache and the rest sent to DRAM.
This discussion reminds me of Cell SPEs local memory + DMA transfers. Back then, developers had 100% control of the hardware (but few made use of it).

Caches are for the most part automatic, with minimal dev intervention (if any)...
 
PS6 will happen, but:

1) It will have 2 SKUs (XBOX Series style). $450 vs $900 (without a Blu-Ray drive).

2) It won't be raster-heavy (Cerny has already tried to tame expectations by using the term "flopflation"). No more Teraflop system wars (XBOX is semi-dead either way).
No. Why repeat failure? According to rumors even MS aren't going to repeat their mistake. If they (MS and Sony) do a lite machine it will be a handheld like the SteamDeck.
I agree with your 2/. We can already see AMD not even talking about Flops with RDNA4 (and neither the gamers). But on the other hand, they are talking TOPs right now... I think the flopwar is going to be replaced with topwar.

It's gonna take alot to get me to buy a PS6.

3rd parties will release a PS5 version and Sony hardly supports the PS5 now, PS6 will just be more remasters.
This is basically what PS5 is right now. A handy PC box with time exclusivity for some games.
 
This is basically what PS5 is right now. A handy PC box with time exclusivity for some games.
Exactly. It doesn't bother me any because I mainly game on a 1080p plasma and I'm perfectly content with the games I end up playing.

Funny thing is that my wife was going to surprise me with a Pro for my 40th, I actually asked her not to because it's a waste of money, lol. For my purposes at least. I got a Quest 3s instead. Less than half price of a Pro and I'll get more use from it.
 
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