Wednesday, September 13th 2023

AMD Accelerators Rumored to Nudge Out Higher-End Radeon RX 8000 GPUs

We heard murmurings back in early August about a slightly disappointing future for RDNA 4—multiple sources claimed that AMD had dropped development of a Navi 31 successor. Rumored reasons included "a cost justification of developing high-end GPUs to push enough volumes over the product lifecycle," as well as the apparent complexity of chiplet designs making it difficult to climb up the ladder of generational performance improvements.

The "narrowed" RDNA 4 product lineup is said to only encompass Navi 43 and Navi 44 GPUs, with a heavier focus on mid-range offerings. Lately, Bits And Chips has decided to pile on with another theory, likely obtained from their favored inside source: "AMD will sacrifice next Radeon gaming GPUs (RX 8000) output at TSMC in order to pump up FPGA and GPGPU production." The AI hardware market is in a boom phase, and Team Red is keen to catch up with NVIDIA—past reports have suggested that Team Green production priorities have shifted away GeForce RTX 4090 GPUs, in favor of an output uptick of "immensely profitable" H100 AI GPUs. Is AMD simply copying the market leader's homework?
Sources: Techspot, Bits & Chips
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44 Comments on AMD Accelerators Rumored to Nudge Out Higher-End Radeon RX 8000 GPUs

#26
Minus Infinity
According to AMD insiders this is definitely not the reason high-end RDNA4 has been killed off at all. RDNA4 wasn't even going to use TSMC's N3 node, it was being built on N4P.
AMD has not abandoned high-end, you'll just have to wait for RDNA5 late 2025 at the earliest. RDNA4 was having troubles with the complex MCD design, it's far more complex than RDNA3 and even though they could eventually fix the isses, they did not want to spend the resources or time to do so as that would have pushed RDNA5 even later.

Apparently N43 will be far stronger than one would expect and should easily beat say 7700XT in raster and be far stronger in RT.

7900's will just have to carry the fight for an extra 18 months at high end. Also Blackwell is not coming out until sometime in 2025 either. I wouldn't be too upset.
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#27
ZoneDymo
Minus InfinityAccording to AMD insiders this is definitely not the reason high-end RDNA4 has been killed off at all. RDNA4 wasn't even going to use TSMC's N3 node, it was being built on N4P.
AMD has not abandoned high-end, you'll just have to wait for RDNA5 late 2025 at the earliest. RDNA4 was having troubles with the complex MCD design, it's far more complex than RDNA3 and even though they could eventually fix the isses, they did not want to spend the resources or time to do so as that would have pushed RDNA5 even later.

Apparently N43 will be far stronger than one would expect and should easily beat say 7700XT in raster and be far stronger in RT.

7900's will just have to carry the fight for an extra 18 months at high end. Also Blackwell is not coming out until sometime in 2025 either. I wouldn't be too upset.
Costing what they cost there is plenty amd can still get out of those cards
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#28
ARF
Minus InfinityAccording to AMD insiders this is definitely not the reason high-end RDNA4 has been killed off at all. RDNA4 wasn't even going to use TSMC's N3 node, it was being built on N4P.
AMD has not abandoned high-end, you'll just have to wait for RDNA5 late 2025 at the earliest. RDNA4 was having troubles with the complex MCD design, it's far more complex than RDNA3 and even though they could eventually fix the isses, they did not want to spend the resources or time to do so as that would have pushed RDNA5 even later.

Apparently N43 will be far stronger than one would expect and should easily beat say 7700XT in raster and be far stronger in RT.

7900's will just have to carry the fight for an extra 18 months at high end. Also Blackwell is not coming out until sometime in 2025 either. I wouldn't be too upset.
I think they will "cancel" Navi 43, as well. Because if they want to decrease the output, they muct look at the lower end parts which do sell in higher volumes.
R0H1TNo one's gonna make them as cheap/good as AMD
But the compromise is the bad performance offered by AMD, and also AMD is not ARM, so this console market can't be merged with the mobile gaming market for smartphones which is larger than the gaming market for PCs.
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#29
theouto
ZoneDymoits not about what they will or wont have, its more of just an interesting scenario, or maybe it wont affect anything and nothing really will happen.

75% of Steam users are on Nvidia, seems the market can live just fine without AMD in it.
The market can't live without AMD in it, last thing we need is a monopoly, Nvidias market share is closer to 85% since most of the intel users are people on integrated graphics.
AMD may not be so great at denting NVIDIA's market share, but having the option to not support nvidia and still get a good product I will say is nice. Intel ARC may be nice and all, but they don't have the class of hardware that people like myself go for, and because AMD has that class of hardware, it still helps to keep nvidia trying to compete, though I don't believe that they are anymore, not seriously anyway.
ARFBut the compromise is the bad performance offered by AMD, and also AMD is not ARM, so this console market can't be merged with the mobile gaming market for smartphones which is larger than the gaming market for PCs.
What do you mean bad performance offered by AMD lol, at those prices AMD is better than nvidia, the price that console manufacturers seek. If you think AMD has bad performance then just look at nvidia for a quick second, remove your bias
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#30
ARF
theoutoWhat do you mean bad performance offered by AMD lol, at those prices AMD is better than nvidia, the price that console manufacturers seek. If you think AMD has bad performance then just look at nvidia for a quick second, remove your bias
I should have said - garbage performance.
The APU is really slow because it is memory bandwidth starved.

Consoles are not running any games faster than even a modest gaming PC. Only a really low-end budget PC would be running games inferior to a contemporary console.
osgamers.com/frequently-asked-questions/is-your-pc-faster-than-a-console
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#31
R0H1T
For the money you buy consoles at you can't put a better gaming machine these days, at least not with everything a console offers.
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#32
theouto
ARFI should have said - garbage performance.
The APU is really slow because it is memory bandwidth starved.

Consoles are not running any games faster than even a modest gaming PC. Only a really low-end budget PC would be running games inferior to a contemporary console.
osgamers.com/frequently-asked-questions/is-your-pc-faster-than-a-console
I do agree that a consoles performance is not comparable to that of a PC, and that the APU form factor does not help it to be any faster, but that is not AMD's fault, that is just what the console makers ordered, they wanted cheap first and foremost. I wouldn't blame AMD just like I wouldn't blame Nvidia for the switch.
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#33
R0H1T
With the Switch there's probably quite a few phones that offer much better performance at lower price levels.
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#34
ARF
theoutoI do agree that a consoles performance is not comparable to that of a PC, and that the APU form factor does not help it to be any faster, but that is not AMD's fault, that is just what the console makers ordered, they wanted cheap first and foremost. I wouldn't blame AMD just like I wouldn't blame Nvidia for the switch.
I have just looked at the specs. I think it is comparable performance wise with Radeon RX 6600.
Console:
AMD Radeon RDNA 2-based graphics engine
10.28 Teraflops
36 CUs @ 2.23GHz

Radeon RX 6600:
AMD Radeon RDNA 2-based graphics engine
8.92 Teraflops
28 CUs @2.04GHz~2.49GHz
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#35
theouto
ARFI have just looked at the specs. I think it is comparable performance wise with Radeon RX 6600.
Console:
AMD Radeon RDNA 2-based graphics engine
10.28 Teraflops
36 CUs @ 2.23GHz

Radeon RX 6600:
AMD Radeon RDNA 2-based graphics engine
8.92 Teraflops
28 CUs @2.04GHz~2.49GHz
It is not, it's closer to the rx 6700, the gpu with 36CUs, 11.29TFLOPs. I think we can both agree that the most comparable GPU is the one with the same number of compute units of the same architecture, and is also closer in TFLOPs, I also have no idea what you are trying to prove here
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#36
big_glasses
ARFConsoles are not running any games faster than even a modest gaming PC. Only a really low-end budget PC would be running games inferior to a contemporary console.
osgamers.com/frequently-asked-questions/is-your-pc-faster-than-a-console
What's the point of that link?

ah yes, very valid answer..... very good insight. I am now wholly convinced that a mid/low end PC is above consoles



66/6700 is mid, it's not low end. low end is still spin-disk. under 3060Ti above the other 3060s
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#37
Denver
ARFI should have said - garbage performance.
The APU is really slow because it is memory bandwidth starved.

Consoles are not running any games faster than even a modest gaming PC. Only a really low-end budget PC would be running games inferior to a contemporary console.
osgamers.com/frequently-asked-questions/is-your-pc-faster-than-a-console
I can say with total conviction that more than 50% of gamers have specs equal to or lower than the consoles. I also have the same conviction that the devs (most of them) are doing a poor job of optimization, before the consoles performed 150% of their specs, the devs did hell to get every drop of the consoles' potential.

I mean, You know the target hardware and don't program the game to run within the expected performance, it can only be your fault. The same goes for devs who put intensive RT to see the 4080 running at 30-40fps.
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#39
Minus Infinity
ARFI think they will "cancel" Navi 43, as well. Because if they want to decrease the output, they muct look at the lower end parts which do sell in higher volumes.
N43 is a monolithic design and is on target for mid(ish) 2024 release. They are not having any issues with the design, so have the resources to finish the project.
If they can make a card at the price point of an 8600 with the performance of a 7700XT or better it could sell very well IMO.
Posted on Reply
#40
Denver
Minus InfinityN43 is a monolithic design and is on target for mid(ish) 2024 release. They are not having any issues with the design, so have the resources to finish the project.
If they can make a card at the price point of an 8600 with the performance of a 7700XT or better it could sell very well IMO.
These low-end chips could end up falling into Samsung's hands now that they have optimized their 4nm process.

The change would be good for pricing flexibility, as it is the most sensitive segment. Samsung also has 24Gbps memories. in short, there are many pieces on the board to move...
Posted on Reply
#41
Minus Infinity
DenverThese low-end chips could end up falling into Samsung's hands now that they have optimized their 4nm process.

The change would be good for pricing flexibility, as it is the most sensitive segment. Samsung also has 24Gbps memories. in short, there are many pieces on the board to move...
Also, AMD could keep the 8600 die size around the 200mm^2 mark but being 4nm node vs 7600 6nm node, they could make it way more powerful in a similarly small package (more CU's and greatly improved RT engine), especially paired with either GDDR6W or GDDR7.
Posted on Reply
#42
AusWolf
Get your RX 7000 and RTX 4000 cards while they're hot, boyz! The next generation might be powering Skynet instead of your gaming PCs. :laugh:
Posted on Reply
#43
ARF
AusWolfGet your RX 7000 and RTX 4000 cards while they're hot, boyz! The next generation might be powering Skynet instead of your gaming PCs. :laugh:
It isn't funny...
So, now what? 3nm GPUs in 2026?

The "never released" Navi 41 has over 12,800 shaders! o_O

9 shader engines, over 200 compute units, up to 20 chiplets in total (3 active interposer dies, and many multimedia | I/O dies). Crazy interesting.

Speculation says double the performance of RX 7900 XTX.

Unfortunately, RDNA 5 will be released in 2026. Until then... slow Radeons only.

forums.anandtech.com/threads/rdna4-cdna3-architectures-thread.2602668/page-92#post-41199563
videocardz.com/newz/amd-cancelled-radeon-rx-8000-gpu-could-have-featured-over-200-compute-units
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